Primitive. The name Eps_i is a term of type (setprop)set.
Axiom. (Eps_i_ax) We take the following as an axiom:
∀P : setprop, ∀x : set, P xP (Eps_i P)
Definition. We define True to be ∀p : prop, pp of type prop.
Definition. We define False to be ∀p : prop, p of type prop.
Definition. We define not to be λA : propAFalse of type propprop.
Notation. We use ¬ as a prefix operator with priority 700 corresponding to applying term not.
Definition. We define and to be λA B : prop∀p : prop, (ABp)p of type proppropprop.
Notation. We use as an infix operator with priority 780 and which associates to the left corresponding to applying term and.
Definition. We define or to be λA B : prop∀p : prop, (Ap)(Bp)p of type proppropprop.
Notation. We use as an infix operator with priority 785 and which associates to the left corresponding to applying term or.
Definition. We define iff to be λA B : propand (AB) (BA) of type proppropprop.
Notation. We use as an infix operator with priority 805 and no associativity corresponding to applying term iff.
Beginning of Section Eq
Variable A : SType
Definition. We define eq to be λx y : A∀Q : AAprop, Q x yQ y x of type AAprop.
Definition. We define neq to be λx y : A¬ eq x y of type AAprop.
End of Section Eq
Notation. We use = as an infix operator with priority 502 and no associativity corresponding to applying term eq.
Notation. We use as an infix operator with priority 502 and no associativity corresponding to applying term neq.
Beginning of Section FE
Variable A B : SType
Axiom. (func_ext) We take the following as an axiom:
∀f g : AB, (∀x : A, f x = g x)f = g
End of Section FE
Beginning of Section Ex
Variable A : SType
Definition. We define ex to be λQ : Aprop∀P : prop, (∀x : A, Q xP)P of type (Aprop)prop.
End of Section Ex
Notation. We use x...y [possibly with ascriptions] , B as a binder notation corresponding to a term constructed using ex.
Axiom. (prop_ext) We take the following as an axiom:
∀p q : prop, iff p qp = q
Primitive. The name In is a term of type setsetprop.
Notation. We use as an infix operator with priority 500 and no associativity corresponding to applying term In. Furthermore, we may write xA, B to mean x : set, xAB.
Definition. We define Subq to be λA B ⇒ xA, x B of type setsetprop.
Notation. We use as an infix operator with priority 500 and no associativity corresponding to applying term Subq. Furthermore, we may write xA, B to mean x : set, xAB.
Axiom. (set_ext) We take the following as an axiom:
∀X Y : set, X YY XX = Y
Axiom. (In_ind) We take the following as an axiom:
∀P : setprop, (∀X : set, (xX, P x)P X)∀X : set, P X
Notation. We use x...y [possibly with ascriptions] , B as a binder notation corresponding to a term constructed using ex and handling ∈ or ⊆ ascriptions using and.
Primitive. The name Empty is a term of type set.
Axiom. (EmptyAx) We take the following as an axiom:
¬ x : set, x Empty
Primitive. The name is a term of type setset.
Axiom. (UnionEq) We take the following as an axiom:
∀X x, x X Y, x Y Y X
Primitive. The name 𝒫 is a term of type setset.
Axiom. (PowerEq) We take the following as an axiom:
∀X Y : set, Y 𝒫 X Y X
Primitive. The name Repl is a term of type set(setset)set.
Notation. {B| xA} is notation for Repl Ax . B).
Axiom. (ReplEq) We take the following as an axiom:
∀A : set, ∀F : setset, ∀y : set, y {F x|xA} xA, y = F x
Definition. We define TransSet to be λU : setxU, x U of type setprop.
Definition. We define Union_closed to be λU : set∀X : set, X U X U of type setprop.
Definition. We define Power_closed to be λU : set∀X : set, X U𝒫 X U of type setprop.
Definition. We define Repl_closed to be λU : set∀X : set, X U∀F : setset, (∀x : set, x XF x U){F x|xX} U of type setprop.
Definition. We define ZF_closed to be λU : setUnion_closed U Power_closed U Repl_closed U of type setprop.
Primitive. The name UnivOf is a term of type setset.
Axiom. (UnivOf_In) We take the following as an axiom:
∀N : set, N UnivOf N
Axiom. (UnivOf_TransSet) We take the following as an axiom:
∀N : set, TransSet (UnivOf N)
Axiom. (UnivOf_ZF_closed) We take the following as an axiom:
∀N : set, ZF_closed (UnivOf N)
Axiom. (UnivOf_Min) We take the following as an axiom:
∀N U : set, N UTransSet UZF_closed UUnivOf N U
Axiom. (FalseE) We take the following as an axiom:
False∀p : prop, p
Axiom. (TrueI) We take the following as an axiom:
True
Axiom. (andI) We take the following as an axiom:
∀A B : prop, ABA B
Axiom. (andEL) We take the following as an axiom:
∀A B : prop, A BA
Axiom. (andER) We take the following as an axiom:
∀A B : prop, A BB
Axiom. (orIL) We take the following as an axiom:
∀A B : prop, AA B
Axiom. (orIR) We take the following as an axiom:
∀A B : prop, BA B
Beginning of Section PropN
Variable P1 P2 P3 : prop
Axiom. (and3I) We take the following as an axiom:
P1P2P3P1 P2 P3
Axiom. (and3E) We take the following as an axiom:
P1 P2 P3(∀p : prop, (P1P2P3p)p)
Axiom. (or3I1) We take the following as an axiom:
P1P1 P2 P3
Axiom. (or3I2) We take the following as an axiom:
P2P1 P2 P3
Axiom. (or3I3) We take the following as an axiom:
P3P1 P2 P3
Axiom. (or3E) We take the following as an axiom:
P1 P2 P3(∀p : prop, (P1p)(P2p)(P3p)p)
Variable P4 : prop
Axiom. (and4I) We take the following as an axiom:
P1P2P3P4P1 P2 P3 P4
Variable P5 : prop
Axiom. (and5I) We take the following as an axiom:
P1P2P3P4P5P1 P2 P3 P4 P5
End of Section PropN
Axiom. (not_or_and_demorgan) We take the following as an axiom:
∀A B : prop, ¬ (A B)¬ A ¬ B
Axiom. (not_ex_all_demorgan_i) We take the following as an axiom:
∀P : setprop, (¬ x, P x)∀x, ¬ P x
Axiom. (iffI) We take the following as an axiom:
∀A B : prop, (AB)(BA)(A B)
Axiom. (iffEL) We take the following as an axiom:
∀A B : prop, (A B)AB
Axiom. (iffER) We take the following as an axiom:
∀A B : prop, (A B)BA
Axiom. (iff_refl) We take the following as an axiom:
∀A : prop, A A
Axiom. (iff_sym) We take the following as an axiom:
∀A B : prop, (A B)(B A)
Axiom. (iff_trans) We take the following as an axiom:
∀A B C : prop, (A B)(B C)(A C)
Axiom. (eq_i_tra) We take the following as an axiom:
∀x y z, x = yy = zx = z
Axiom. (f_eq_i) We take the following as an axiom:
∀f : setset, ∀x y, x = yf x = f y
Axiom. (neq_i_sym) We take the following as an axiom:
∀x y, x yy x
Definition. We define nIn to be λx X ⇒ ¬ In x X of type setsetprop.
Notation. We use as an infix operator with priority 502 and no associativity corresponding to applying term nIn.
Axiom. (Eps_i_ex) We take the following as an axiom:
∀P : setprop, (x, P x)P (Eps_i P)
Axiom. (pred_ext) We take the following as an axiom:
∀P Q : setprop, (∀x, P x Q x)P = Q
Axiom. (prop_ext_2) We take the following as an axiom:
∀p q : prop, (pq)(qp)p = q
Axiom. (Subq_ref) We take the following as an axiom:
∀X : set, X X
Axiom. (Subq_tra) We take the following as an axiom:
∀X Y Z : set, X YY ZX Z
Axiom. (Subq_contra) We take the following as an axiom:
∀X Y z : set, X Yz Yz X
Axiom. (EmptyE) We take the following as an axiom:
∀x : set, x Empty
Axiom. (Subq_Empty) We take the following as an axiom:
∀X : set, Empty X
Axiom. (Empty_Subq_eq) We take the following as an axiom:
∀X : set, X EmptyX = Empty
Axiom. (Empty_eq) We take the following as an axiom:
∀X : set, (∀x, x X)X = Empty
Axiom. (UnionI) We take the following as an axiom:
∀X x Y : set, x YY Xx X
Axiom. (UnionE) We take the following as an axiom:
∀X x : set, x XY : set, x Y Y X
Axiom. (UnionE_impred) We take the following as an axiom:
∀X x : set, x X∀p : prop, (∀Y : set, x YY Xp)p
Axiom. (PowerI) We take the following as an axiom:
∀X Y : set, Y XY 𝒫 X
Axiom. (PowerE) We take the following as an axiom:
∀X Y : set, Y 𝒫 XY X
Axiom. (Empty_In_Power) We take the following as an axiom:
∀X : set, Empty 𝒫 X
Axiom. (Self_In_Power) We take the following as an axiom:
∀X : set, X 𝒫 X
Axiom. (xm) We take the following as an axiom:
∀P : prop, P ¬ P
Axiom. (dneg) We take the following as an axiom:
∀P : prop, ¬ ¬ PP
Axiom. (not_all_ex_demorgan_i) We take the following as an axiom:
∀P : setprop, ¬ (∀x, P x)x, ¬ P x
Axiom. (eq_or_nand) We take the following as an axiom:
or = (λx y : prop¬ (¬ x ¬ y))
Primitive. The name exactly1of2 is a term of type proppropprop.
Axiom. (exactly1of2_I1) We take the following as an axiom:
∀A B : prop, A¬ Bexactly1of2 A B
Axiom. (exactly1of2_I2) We take the following as an axiom:
∀A B : prop, ¬ ABexactly1of2 A B
Axiom. (exactly1of2_E) We take the following as an axiom:
∀A B : prop, exactly1of2 A B∀p : prop, (A¬ Bp)(¬ ABp)p
Axiom. (exactly1of2_or) We take the following as an axiom:
∀A B : prop, exactly1of2 A BA B
Axiom. (ReplI) We take the following as an axiom:
∀A : set, ∀F : setset, ∀x : set, x AF x {F x|xA}
Axiom. (ReplE) We take the following as an axiom:
∀A : set, ∀F : setset, ∀y : set, y {F x|xA}xA, y = F x
Axiom. (ReplE_impred) We take the following as an axiom:
∀A : set, ∀F : setset, ∀y : set, y {F x|xA}∀p : prop, (∀x : set, x Ay = F xp)p
Axiom. (ReplE') We take the following as an axiom:
∀X, ∀f : setset, ∀p : setprop, (xX, p (f x))y{f x|xX}, p y
Axiom. (Repl_Empty) We take the following as an axiom:
∀F : setset, {F x|xEmpty} = Empty
Axiom. (ReplEq_ext_sub) We take the following as an axiom:
∀X, ∀F G : setset, (xX, F x = G x){F x|xX} {G x|xX}
Axiom. (ReplEq_ext) We take the following as an axiom:
∀X, ∀F G : setset, (xX, F x = G x){F x|xX} = {G x|xX}
Axiom. (Repl_inv_eq) We take the following as an axiom:
∀P : setprop, ∀f g : setset, (∀x, P xg (f x) = x)∀X, (xX, P x){g y|y{f x|xX}} = X
Axiom. (Repl_invol_eq) We take the following as an axiom:
∀P : setprop, ∀f : setset, (∀x, P xf (f x) = x)∀X, (xX, P x){f y|y{f x|xX}} = X
Primitive. The name If_i is a term of type propsetsetset.
Notation. if cond then T else E is notation corresponding to If_i type cond T E where type is the inferred type of T.
Axiom. (If_i_correct) We take the following as an axiom:
∀p : prop, ∀x y : set, p (if p then x else y) = x ¬ p (if p then x else y) = y
Axiom. (If_i_0) We take the following as an axiom:
∀p : prop, ∀x y : set, ¬ p(if p then x else y) = y
Axiom. (If_i_1) We take the following as an axiom:
∀p : prop, ∀x y : set, p(if p then x else y) = x
Axiom. (If_i_or) We take the following as an axiom:
∀p : prop, ∀x y : set, (if p then x else y) = x (if p then x else y) = y
Primitive. The name UPair is a term of type setsetset.
Notation. {x,y} is notation for UPair x y.
Axiom. (UPairE) We take the following as an axiom:
∀x y z : set, x {y,z}x = y x = z
Axiom. (UPairI1) We take the following as an axiom:
∀y z : set, y {y,z}
Axiom. (UPairI2) We take the following as an axiom:
∀y z : set, z {y,z}
Primitive. The name Sing is a term of type setset.
Notation. {x} is notation for Sing x.
Axiom. (SingI) We take the following as an axiom:
∀x : set, x {x}
Axiom. (SingE) We take the following as an axiom:
∀x y : set, y {x}y = x
Axiom. (Sing_inj) We take the following as an axiom:
∀x y, {x} = {y}x = y
Primitive. The name binunion is a term of type setsetset.
Notation. We use as an infix operator with priority 345 and which associates to the left corresponding to applying term binunion.
Axiom. (binunionI1) We take the following as an axiom:
∀X Y z : set, z Xz X Y
Axiom. (binunionI2) We take the following as an axiom:
∀X Y z : set, z Yz X Y
Axiom. (binunionE) We take the following as an axiom:
∀X Y z : set, z X Yz X z Y
Axiom. (binunionE') We take the following as an axiom:
∀X Y z, ∀p : prop, (z Xp)(z Yp)(z X Yp)
Axiom. (binunion_asso) We take the following as an axiom:
∀X Y Z : set, X (Y Z) = (X Y) Z
Axiom. (binunion_com_Subq) We take the following as an axiom:
∀X Y : set, X Y Y X
Axiom. (binunion_com) We take the following as an axiom:
∀X Y : set, X Y = Y X
Axiom. (binunion_idl) We take the following as an axiom:
∀X : set, Empty X = X
Axiom. (binunion_idr) We take the following as an axiom:
∀X : set, X Empty = X
Axiom. (binunion_Subq_1) We take the following as an axiom:
∀X Y : set, X X Y
Axiom. (binunion_Subq_2) We take the following as an axiom:
∀X Y : set, Y X Y
Axiom. (binunion_Subq_min) We take the following as an axiom:
∀X Y Z : set, X ZY ZX Y Z
Axiom. (Subq_binunion_eq) We take the following as an axiom:
∀X Y, (X Y) = (X Y = Y)
Definition. We define SetAdjoin to be λX y ⇒ X {y} of type setsetset.
Notation. We now use the set enumeration notation {...,...,...} in general. If 0 elements are given, then Empty is used to form the corresponding term. If 1 element is given, then Sing is used to form the corresponding term. If 2 elements are given, then UPair is used to form the corresponding term. If more than elements are given, then SetAdjoin is used to reduce to the case with one fewer elements.
Primitive. The name famunion is a term of type set(setset)set.
Notation. We use x [possibly with ascriptions] , B as a binder notation corresponding to a term constructed using famunion.
Axiom. (famunionI) We take the following as an axiom:
∀X : set, ∀F : (setset), ∀x y : set, x Xy F xy xXF x
Axiom. (famunionE) We take the following as an axiom:
∀X : set, ∀F : (setset), ∀y : set, y (xXF x)xX, y F x
Axiom. (famunionE_impred) We take the following as an axiom:
∀X : set, ∀F : (setset), ∀y : set, y (xXF x)∀p : prop, (∀x, x Xy F xp)p
Axiom. (famunion_Empty) We take the following as an axiom:
∀F : setset, (xEmptyF x) = Empty
Beginning of Section SepSec
Variable X : set
Variable P : setprop
Let z : setEps_i (λz ⇒ z X P z)
Let F : setsetλx ⇒ if P x then x else z
Primitive. The name Sep is a term of type set.
End of Section SepSec
Notation. {xA | B} is notation for Sep Ax . B).
Axiom. (SepI) We take the following as an axiom:
∀X : set, ∀P : (setprop), ∀x : set, x XP xx {xX|P x}
Axiom. (SepE) We take the following as an axiom:
∀X : set, ∀P : (setprop), ∀x : set, x {xX|P x}x X P x
Axiom. (SepE1) We take the following as an axiom:
∀X : set, ∀P : (setprop), ∀x : set, x {xX|P x}x X
Axiom. (SepE2) We take the following as an axiom:
∀X : set, ∀P : (setprop), ∀x : set, x {xX|P x}P x
Axiom. (Sep_Subq) We take the following as an axiom:
∀X : set, ∀P : setprop, {xX|P x} X
Axiom. (Sep_In_Power) We take the following as an axiom:
∀X : set, ∀P : setprop, {xX|P x} 𝒫 X
Primitive. The name ReplSep is a term of type set(setprop)(setset)set.
Notation. {B| xA, C} is notation for ReplSep Ax . C) (λ x . B).
Axiom. (ReplSepI) We take the following as an axiom:
∀X : set, ∀P : setprop, ∀F : setset, ∀x : set, x XP xF x {F x|xX, P x}
Axiom. (ReplSepE) We take the following as an axiom:
∀X : set, ∀P : setprop, ∀F : setset, ∀y : set, y {F x|xX, P x}x : set, x X P x y = F x
Axiom. (ReplSepE_impred) We take the following as an axiom:
∀X : set, ∀P : setprop, ∀F : setset, ∀y : set, y {F x|xX, P x}∀p : prop, (xX, P xy = F xp)p
Primitive. The name binintersect is a term of type setsetset.
Notation. We use as an infix operator with priority 340 and which associates to the left corresponding to applying term binintersect.
Axiom. (binintersectI) We take the following as an axiom:
∀X Y z, z Xz Yz X Y
Axiom. (binintersectE) We take the following as an axiom:
∀X Y z, z X Yz X z Y
Axiom. (binintersectE1) We take the following as an axiom:
∀X Y z, z X Yz X
Axiom. (binintersectE2) We take the following as an axiom:
∀X Y z, z X Yz Y
Axiom. (binintersect_Subq_1) We take the following as an axiom:
∀X Y : set, X Y X
Axiom. (binintersect_Subq_2) We take the following as an axiom:
∀X Y : set, X Y Y
Axiom. (binintersect_Subq_eq_1) We take the following as an axiom:
∀X Y, X YX Y = X
Axiom. (binintersect_Subq_max) We take the following as an axiom:
∀X Y Z : set, Z XZ YZ X Y
Axiom. (binintersect_com_Subq) We take the following as an axiom:
∀X Y : set, X Y Y X
Axiom. (binintersect_com) We take the following as an axiom:
∀X Y : set, X Y = Y X
Primitive. The name setminus is a term of type setsetset.
Notation. We use as an infix operator with priority 350 and no associativity corresponding to applying term setminus.
Axiom. (setminusI) We take the following as an axiom:
∀X Y z, (z X)(z Y)z X Y
Axiom. (setminusE) We take the following as an axiom:
∀X Y z, (z X Y)z X z Y
Axiom. (setminusE1) We take the following as an axiom:
∀X Y z, (z X Y)z X
Axiom. (setminus_Subq) We take the following as an axiom:
∀X Y : set, X Y X
Axiom. (setminus_Subq_contra) We take the following as an axiom:
∀X Y Z : set, Z YX Y X Z
Axiom. (setminus_In_Power) We take the following as an axiom:
∀A U, A U 𝒫 A
Axiom. (setminus_idr) We take the following as an axiom:
∀X, X Empty = X
Axiom. (In_irref) We take the following as an axiom:
∀x, x x
Axiom. (In_no2cycle) We take the following as an axiom:
∀x y, x yy xFalse
Primitive. The name ordsucc is a term of type setset.
Axiom. (ordsuccI1) We take the following as an axiom:
∀x : set, x ordsucc x
Axiom. (ordsuccI2) We take the following as an axiom:
∀x : set, x ordsucc x
Axiom. (ordsuccE) We take the following as an axiom:
∀x y : set, y ordsucc xy x y = x
Notation. Natural numbers 0,1,2,... are notation for the terms formed using Empty as 0 and forming successors with ordsucc.
Axiom. (neq_0_ordsucc) We take the following as an axiom:
∀a : set, 0 ordsucc a
Axiom. (neq_ordsucc_0) We take the following as an axiom:
∀a : set, ordsucc a 0
Axiom. (ordsucc_inj) We take the following as an axiom:
∀a b : set, ordsucc a = ordsucc ba = b
Axiom. (ordsucc_inj_contra) We take the following as an axiom:
∀a b : set, a bordsucc a ordsucc b
Axiom. (In_0_1) We take the following as an axiom:
0 1
Axiom. (In_0_2) We take the following as an axiom:
0 2
Axiom. (In_1_2) We take the following as an axiom:
1 2
Definition. We define nat_p to be λn : set∀p : setprop, p 0(∀x : set, p xp (ordsucc x))p n of type setprop.
Axiom. (nat_0) We take the following as an axiom:
nat_p 0
Axiom. (nat_ordsucc) We take the following as an axiom:
∀n : set, nat_p nnat_p (ordsucc n)
Axiom. (nat_1) We take the following as an axiom:
nat_p 1
Axiom. (nat_2) We take the following as an axiom:
nat_p 2
Axiom. (nat_3) We take the following as an axiom:
nat_p 3
Axiom. (nat_4) We take the following as an axiom:
nat_p 4
Axiom. (nat_0_in_ordsucc) We take the following as an axiom:
∀n, nat_p n0 ordsucc n
Axiom. (In_1_3) We take the following as an axiom:
1 3
Axiom. (In_2_3) We take the following as an axiom:
2 3
Axiom. (In_1_4) We take the following as an axiom:
1 4
Axiom. (In_2_4) We take the following as an axiom:
2 4
Axiom. (In_3_4) We take the following as an axiom:
3 4
Axiom. (In_1_5) We take the following as an axiom:
1 5
Axiom. (In_2_5) We take the following as an axiom:
2 5
Axiom. (In_3_5) We take the following as an axiom:
3 5
Axiom. (In_4_5) We take the following as an axiom:
4 5
Axiom. (nat_ordsucc_in_ordsucc) We take the following as an axiom:
∀n, nat_p nmn, ordsucc m ordsucc n
Axiom. (nat_ind) We take the following as an axiom:
∀p : setprop, p 0(∀n, nat_p np np (ordsucc n))∀n, nat_p np n
Axiom. (nat_inv_impred) We take the following as an axiom:
∀p : setprop, p 0(∀n, nat_p np (ordsucc n))∀n, nat_p np n
Axiom. (nat_inv) We take the following as an axiom:
∀n, nat_p nn = 0 x, nat_p x n = ordsucc x
Axiom. (nat_complete_ind) We take the following as an axiom:
∀p : setprop, (∀n, nat_p n(mn, p m)p n)∀n, nat_p np n
Axiom. (nat_p_trans) We take the following as an axiom:
∀n, nat_p nmn, nat_p m
Axiom. (nat_trans) We take the following as an axiom:
∀n, nat_p nmn, m n
Axiom. (nat_ordsucc_trans) We take the following as an axiom:
∀n, nat_p nmordsucc n, m n
Axiom. (Union_ordsucc_eq) We take the following as an axiom:
∀n, nat_p n (ordsucc n) = n
Axiom. (cases_1) We take the following as an axiom:
i1, ∀p : setprop, p 0p i
Axiom. (cases_2) We take the following as an axiom:
i2, ∀p : setprop, p 0p 1p i
Axiom. (cases_3) We take the following as an axiom:
i3, ∀p : setprop, p 0p 1p 2p i
Axiom. (neq_0_1) We take the following as an axiom:
0 1
Axiom. (neq_1_0) We take the following as an axiom:
1 0
Axiom. (neq_0_2) We take the following as an axiom:
0 2
Axiom. (neq_2_0) We take the following as an axiom:
2 0
Axiom. (neq_1_2) We take the following as an axiom:
1 2
Axiom. (ZF_closed_E) We take the following as an axiom:
∀U, ZF_closed U∀p : prop, (Union_closed UPower_closed URepl_closed Up)p
Axiom. (ZF_Union_closed) We take the following as an axiom:
∀U, ZF_closed UXU, X U
Axiom. (ZF_Power_closed) We take the following as an axiom:
∀U, ZF_closed UXU, 𝒫 X U
Axiom. (ZF_Repl_closed) We take the following as an axiom:
∀U, ZF_closed UXU, ∀F : setset, (xX, F x U){F x|xX} U
Axiom. (ZF_UPair_closed) We take the following as an axiom:
∀U, ZF_closed Ux yU, {x,y} U
Axiom. (ZF_Sing_closed) We take the following as an axiom:
∀U, ZF_closed UxU, {x} U
Axiom. (ZF_binunion_closed) We take the following as an axiom:
∀U, ZF_closed UX YU, (X Y) U
Axiom. (ZF_ordsucc_closed) We take the following as an axiom:
∀U, ZF_closed UxU, ordsucc x U
Axiom. (nat_p_UnivOf_Empty) We take the following as an axiom:
∀n : set, nat_p nn UnivOf Empty
Primitive. The name ω is a term of type set.
Axiom. (omega_nat_p) We take the following as an axiom:
nω, nat_p n
Axiom. (nat_p_omega) We take the following as an axiom:
∀n : set, nat_p nn ω
Axiom. (omega_ordsucc) We take the following as an axiom:
nω, ordsucc n ω
Definition. We define ordinal to be λalpha : setTransSet alpha betaalpha, TransSet beta of type setprop.
Axiom. (ordinal_TransSet) We take the following as an axiom:
∀alpha : set, ordinal alphaTransSet alpha
Axiom. (ordinal_Empty) We take the following as an axiom:
ordinal Empty
Axiom. (ordinal_Hered) We take the following as an axiom:
∀alpha : set, ordinal alphabetaalpha, ordinal beta
Axiom. (TransSet_ordsucc) We take the following as an axiom:
∀X : set, TransSet XTransSet (ordsucc X)
Axiom. (ordinal_ordsucc) We take the following as an axiom:
∀alpha : set, ordinal alphaordinal (ordsucc alpha)
Axiom. (nat_p_ordinal) We take the following as an axiom:
∀n : set, nat_p nordinal n
Axiom. (ordinal_1) We take the following as an axiom:
ordinal 1
Axiom. (ordinal_2) We take the following as an axiom:
ordinal 2
Axiom. (omega_TransSet) We take the following as an axiom:
TransSet ω
Axiom. (omega_ordinal) We take the following as an axiom:
ordinal ω
Axiom. (ordsucc_omega_ordinal) We take the following as an axiom:
ordinal (ordsucc ω)
Axiom. (TransSet_ordsucc_In_Subq) We take the following as an axiom:
∀X : set, TransSet XxX, ordsucc x X
Axiom. (ordinal_ordsucc_In_Subq) We take the following as an axiom:
∀alpha, ordinal alphabetaalpha, ordsucc beta alpha
Axiom. (ordinal_trichotomy_or) We take the following as an axiom:
∀alpha beta : set, ordinal alphaordinal betaalpha beta alpha = beta beta alpha
Axiom. (ordinal_trichotomy_or_impred) We take the following as an axiom:
∀alpha beta : set, ordinal alphaordinal beta∀p : prop, (alpha betap)(alpha = betap)(beta alphap)p
Axiom. (ordinal_In_Or_Subq) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaalpha beta beta alpha
Axiom. (ordinal_linear) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaalpha beta beta alpha
Axiom. (ordinal_ordsucc_In_eq) We take the following as an axiom:
∀alpha beta, ordinal alphabeta alphaordsucc beta alpha alpha = ordsucc beta
Axiom. (ordinal_lim_or_succ) We take the following as an axiom:
∀alpha, ordinal alpha(betaalpha, ordsucc beta alpha) (betaalpha, alpha = ordsucc beta)
Axiom. (ordinal_ordsucc_In) We take the following as an axiom:
∀alpha, ordinal alphabetaalpha, ordsucc beta ordsucc alpha
Axiom. (ordinal_famunion) We take the following as an axiom:
∀X, ∀F : setset, (xX, ordinal (F x))ordinal (xXF x)
Axiom. (ordinal_binintersect) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaordinal (alpha beta)
Axiom. (ordinal_binunion) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaordinal (alpha beta)
Axiom. (ordinal_ind) We take the following as an axiom:
∀p : setprop, (∀alpha, ordinal alpha(betaalpha, p beta)p alpha)∀alpha, ordinal alphap alpha
Axiom. (least_ordinal_ex) We take the following as an axiom:
∀p : setprop, (alpha, ordinal alpha p alpha)alpha, ordinal alpha p alpha betaalpha, ¬ p beta
Definition. We define inj to be λX Y f ⇒ (uX, f u Y) (u vX, f u = f vu = v) of type setset(setset)prop.
Definition. We define bij to be λX Y f ⇒ (uX, f u Y) (u vX, f u = f vu = v) (wY, uX, f u = w) of type setset(setset)prop.
Axiom. (bijI) We take the following as an axiom:
∀X Y, ∀f : setset, (uX, f u Y)(u vX, f u = f vu = v)(wY, uX, f u = w)bij X Y f
Axiom. (bijE) We take the following as an axiom:
∀X Y, ∀f : setset, bij X Y f∀p : prop, ((uX, f u Y)(u vX, f u = f vu = v)(wY, uX, f u = w)p)p
Primitive. The name inv is a term of type set(setset)setset.
Axiom. (surj_rinv) We take the following as an axiom:
∀X Y, ∀f : setset, (wY, uX, f u = w)yY, inv X f y X f (inv X f y) = y
Axiom. (inj_linv) We take the following as an axiom:
∀X, ∀f : setset, (u vX, f u = f vu = v)xX, inv X f (f x) = x
Axiom. (bij_inv) We take the following as an axiom:
∀X Y, ∀f : setset, bij X Y fbij Y X (inv X f)
Axiom. (bij_id) We take the following as an axiom:
∀X, bij X X (λx ⇒ x)
Axiom. (bij_comp) We take the following as an axiom:
∀X Y Z : set, ∀f g : setset, bij X Y fbij Y Z gbij X Z (λx ⇒ g (f x))
Definition. We define equip to be λX Y : setf : setset, bij X Y f of type setsetprop.
Axiom. (equip_ref) We take the following as an axiom:
∀X, equip X X
Axiom. (equip_sym) We take the following as an axiom:
∀X Y, equip X Yequip Y X
Axiom. (equip_tra) We take the following as an axiom:
∀X Y Z, equip X Yequip Y Zequip X Z
Axiom. (equip_0_Empty) We take the following as an axiom:
∀X, equip X 0X = 0
Beginning of Section SchroederBernstein
Axiom. (KnasterTarski_set) We take the following as an axiom:
∀A, ∀F : setset, (U𝒫 A, F U 𝒫 A)(U V𝒫 A, U VF U F V)Y𝒫 A, F Y = Y
Axiom. (image_In_Power) We take the following as an axiom:
∀A B, ∀f : setset, (xA, f x B)U𝒫 A, {f x|xU} 𝒫 B
Axiom. (image_monotone) We take the following as an axiom:
∀f : setset, ∀U V, U V{f x|xU} {f x|xV}
Axiom. (setminus_antimonotone) We take the following as an axiom:
∀A U V, U VA V A U
Axiom. (SchroederBernstein) We take the following as an axiom:
∀A B, ∀f g : setset, inj A B finj B A gequip A B
End of Section SchroederBernstein
Beginning of Section PigeonHole
Axiom. (PigeonHole_nat) We take the following as an axiom:
∀n, nat_p n∀f : setset, (iordsucc n, f i n)¬ (i jordsucc n, f i = f ji = j)
Axiom. (PigeonHole_nat_bij) We take the following as an axiom:
∀n, nat_p n∀f : setset, (in, f i n)(i jn, f i = f ji = j)bij n n f
End of Section PigeonHole
Definition. We define finite to be λX ⇒ nω, equip X n of type setprop.
Axiom. (finite_ind) We take the following as an axiom:
∀p : setprop, p Empty(∀X y, finite Xy Xp Xp (X {y}))∀X, finite Xp X
Axiom. (finite_Empty) We take the following as an axiom:
finite 0
Axiom. (adjoin_finite) We take the following as an axiom:
∀X y, finite Xfinite (X {y})
Axiom. (binunion_finite) We take the following as an axiom:
∀X, finite X∀Y, finite Yfinite (X Y)
Axiom. (famunion_nat_finite) We take the following as an axiom:
∀X : setset, ∀n, nat_p n(in, finite (X i))finite (inX i)
Axiom. (Subq_finite) We take the following as an axiom:
∀X, finite X∀Y, Y Xfinite Y
Axiom. (TransSet_In_ordsucc_Subq) We take the following as an axiom:
∀x y, TransSet yx ordsucc yx y
Axiom. (exandE_i) We take the following as an axiom:
∀P Q : setprop, (x, P x Q x)∀r : prop, (∀x, P xQ xr)r
Axiom. (exandE_ii) We take the following as an axiom:
∀P Q : (setset)prop, (x : setset, P x Q x)∀p : prop, (∀x : setset, P xQ xp)p
Axiom. (exandE_iii) We take the following as an axiom:
∀P Q : (setsetset)prop, (x : setsetset, P x Q x)∀p : prop, (∀x : setsetset, P xQ xp)p
Axiom. (exandE_iiii) We take the following as an axiom:
∀P Q : (setsetsetset)prop, (x : setsetsetset, P x Q x)∀p : prop, (∀x : setsetsetset, P xQ xp)p
Beginning of Section Descr_ii
Variable P : (setset)prop
Primitive. The name Descr_ii is a term of type setset.
Hypothesis Pex : f : setset, P f
Hypothesis Puniq : ∀f g : setset, P fP gf = g
Axiom. (Descr_ii_prop) We take the following as an axiom:
End of Section Descr_ii
Beginning of Section Descr_iii
Variable P : (setsetset)prop
Primitive. The name Descr_iii is a term of type setsetset.
Hypothesis Pex : f : setsetset, P f
Hypothesis Puniq : ∀f g : setsetset, P fP gf = g
Axiom. (Descr_iii_prop) We take the following as an axiom:
End of Section Descr_iii
Beginning of Section Descr_Vo1
Variable P : Vo 1prop
Primitive. The name Descr_Vo1 is a term of type Vo 1.
Hypothesis Pex : f : Vo 1, P f
Hypothesis Puniq : ∀f g : Vo 1, P fP gf = g
Axiom. (Descr_Vo1_prop) We take the following as an axiom:
End of Section Descr_Vo1
Beginning of Section If_ii
Variable p : prop
Variable f g : setset
Primitive. The name If_ii is a term of type setset.
Axiom. (If_ii_1) We take the following as an axiom:
pIf_ii = f
Axiom. (If_ii_0) We take the following as an axiom:
¬ pIf_ii = g
End of Section If_ii
Beginning of Section If_iii
Variable p : prop
Variable f g : setsetset
Primitive. The name If_iii is a term of type setsetset.
Axiom. (If_iii_1) We take the following as an axiom:
pIf_iii = f
Axiom. (If_iii_0) We take the following as an axiom:
¬ pIf_iii = g
End of Section If_iii
Beginning of Section EpsilonRec_i
Variable F : set(setset)set
Primitive. The name In_rec_i is a term of type setset.
Hypothesis Fr : ∀X : set, ∀g h : setset, (xX, g x = h x)F X g = F X h
Axiom. (In_rec_i_eq) We take the following as an axiom:
∀X : set, In_rec_i X = F X In_rec_i
End of Section EpsilonRec_i
Beginning of Section EpsilonRec_ii
Variable F : set(set(setset))(setset)
Primitive. The name In_rec_ii is a term of type set(setset).
Hypothesis Fr : ∀X : set, ∀g h : set(setset), (xX, g x = h x)F X g = F X h
Axiom. (In_rec_ii_eq) We take the following as an axiom:
∀X : set, In_rec_ii X = F X In_rec_ii
End of Section EpsilonRec_ii
Beginning of Section EpsilonRec_iii
Variable F : set(set(setsetset))(setsetset)
Primitive. The name In_rec_iii is a term of type set(setsetset).
Hypothesis Fr : ∀X : set, ∀g h : set(setsetset), (xX, g x = h x)F X g = F X h
Axiom. (In_rec_iii_eq) We take the following as an axiom:
∀X : set, In_rec_iii X = F X In_rec_iii
End of Section EpsilonRec_iii
Beginning of Section NatRec
Variable z : set
Variable f : setsetset
Let F : set(setset)setλn g ⇒ if n n then f ( n) (g ( n)) else z
Definition. We define nat_primrec to be In_rec_i F of type setset.
Axiom. (nat_primrec_r) We take the following as an axiom:
∀X : set, ∀g h : setset, (xX, g x = h x)F X g = F X h
Axiom. (nat_primrec_0) We take the following as an axiom:
Axiom. (nat_primrec_S) We take the following as an axiom:
∀n : set, nat_p nnat_primrec (ordsucc n) = f n (nat_primrec n)
End of Section NatRec
Beginning of Section NatArith
Definition. We define add_nat to be λn m : setnat_primrec n (λ_ r ⇒ ordsucc r) m of type setsetset.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_nat.
Axiom. (add_nat_0R) We take the following as an axiom:
∀n : set, n + 0 = n
Axiom. (add_nat_SR) We take the following as an axiom:
∀n m : set, nat_p mn + ordsucc m = ordsucc (n + m)
Axiom. (add_nat_p) We take the following as an axiom:
∀n : set, nat_p n∀m : set, nat_p mnat_p (n + m)
Axiom. (add_nat_1_1_2) We take the following as an axiom:
1 + 1 = 2
Definition. We define mul_nat to be λn m : setnat_primrec 0 (λ_ r ⇒ n + r) m of type setsetset.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_nat.
Axiom. (mul_nat_0R) We take the following as an axiom:
∀n : set, n * 0 = 0
Axiom. (mul_nat_SR) We take the following as an axiom:
∀n m : set, nat_p mn * ordsucc m = n + n * m
Axiom. (mul_nat_p) We take the following as an axiom:
∀n : set, nat_p n∀m : set, nat_p mnat_p (n * m)
End of Section NatArith
Definition. We define Inj1 to be In_rec_i (λX f ⇒ {0} {f x|xX}) of type setset.
Axiom. (Inj1_eq) We take the following as an axiom:
∀X : set, Inj1 X = {0} {Inj1 x|xX}
Axiom. (Inj1I1) We take the following as an axiom:
∀X : set, 0 Inj1 X
Axiom. (Inj1I2) We take the following as an axiom:
∀X x : set, x XInj1 x Inj1 X
Axiom. (Inj1E) We take the following as an axiom:
∀X y : set, y Inj1 Xy = 0 xX, y = Inj1 x
Axiom. (Inj1NE1) We take the following as an axiom:
∀x : set, Inj1 x 0
Axiom. (Inj1NE2) We take the following as an axiom:
∀x : set, Inj1 x {0}
Definition. We define Inj0 to be λX ⇒ {Inj1 x|xX} of type setset.
Axiom. (Inj0I) We take the following as an axiom:
∀X x : set, x XInj1 x Inj0 X
Axiom. (Inj0E) We take the following as an axiom:
∀X y : set, y Inj0 Xx : set, x X y = Inj1 x
Definition. We define Unj to be In_rec_i (λX f ⇒ {f x|xX {0}}) of type setset.
Axiom. (Unj_eq) We take the following as an axiom:
∀X : set, Unj X = {Unj x|xX {0}}
Axiom. (Unj_Inj1_eq) We take the following as an axiom:
∀X : set, Unj (Inj1 X) = X
Axiom. (Inj1_inj) We take the following as an axiom:
∀X Y : set, Inj1 X = Inj1 YX = Y
Axiom. (Unj_Inj0_eq) We take the following as an axiom:
∀X : set, Unj (Inj0 X) = X
Axiom. (Inj0_inj) We take the following as an axiom:
∀X Y : set, Inj0 X = Inj0 YX = Y
Axiom. (Inj0_0) We take the following as an axiom:
Inj0 0 = 0
Axiom. (Inj0_Inj1_neq) We take the following as an axiom:
∀X Y : set, Inj0 X Inj1 Y
Definition. We define setsum to be λX Y ⇒ {Inj0 x|xX} {Inj1 y|yY} of type setsetset.
Notation. We use + as an infix operator with priority 450 and which associates to the left corresponding to applying term setsum.
Axiom. (Inj0_setsum) We take the following as an axiom:
∀X Y x : set, x XInj0 x X + Y
Axiom. (Inj1_setsum) We take the following as an axiom:
∀X Y y : set, y YInj1 y X + Y
Axiom. (setsum_Inj_inv) We take the following as an axiom:
∀X Y z : set, z X + Y(xX, z = Inj0 x) (yY, z = Inj1 y)
Axiom. (Inj0_setsum_0L) We take the following as an axiom:
∀X : set, 0 + X = Inj0 X
Axiom. (Subq_1_Sing0) We take the following as an axiom:
1 {0}
Axiom. (Inj1_setsum_1L) We take the following as an axiom:
∀X : set, 1 + X = Inj1 X
Axiom. (nat_setsum1_ordsucc) We take the following as an axiom:
∀n : set, nat_p n1 + n = ordsucc n
Axiom. (setsum_0_0) We take the following as an axiom:
0 + 0 = 0
Axiom. (setsum_1_0_1) We take the following as an axiom:
1 + 0 = 1
Axiom. (setsum_1_1_2) We take the following as an axiom:
1 + 1 = 2
Beginning of Section pair_setsum
Let pair ≝ setsum
Definition. We define proj0 to be λZ ⇒ {Unj z|zZ, x : set, Inj0 x = z} of type setset.
Definition. We define proj1 to be λZ ⇒ {Unj z|zZ, y : set, Inj1 y = z} of type setset.
Axiom. (Inj0_pair_0_eq) We take the following as an axiom:
Inj0 = pair 0
Axiom. (Inj1_pair_1_eq) We take the following as an axiom:
Inj1 = pair 1
Axiom. (pairI0) We take the following as an axiom:
∀X Y x, x Xpair 0 x pair X Y
Axiom. (pairI1) We take the following as an axiom:
∀X Y y, y Ypair 1 y pair X Y
Axiom. (pairE) We take the following as an axiom:
∀X Y z, z pair X Y(xX, z = pair 0 x) (yY, z = pair 1 y)
Axiom. (pairE0) We take the following as an axiom:
∀X Y x, pair 0 x pair X Yx X
Axiom. (pairE1) We take the following as an axiom:
∀X Y y, pair 1 y pair X Yy Y
Axiom. (proj0I) We take the following as an axiom:
∀w u : set, pair 0 u wu proj0 w
Axiom. (proj0E) We take the following as an axiom:
∀w u : set, u proj0 wpair 0 u w
Axiom. (proj1I) We take the following as an axiom:
∀w u : set, pair 1 u wu proj1 w
Axiom. (proj1E) We take the following as an axiom:
∀w u : set, u proj1 wpair 1 u w
Axiom. (proj0_pair_eq) We take the following as an axiom:
∀X Y : set, proj0 (pair X Y) = X
Axiom. (proj1_pair_eq) We take the following as an axiom:
∀X Y : set, proj1 (pair X Y) = Y
Definition. We define Sigma to be λX Y ⇒ xX{pair x y|yY x} of type set(setset)set.
Notation. We use x...y [possibly with ascriptions] , B as a binder notation corresponding to a term constructed using Sigma.
Axiom. (pair_Sigma) We take the following as an axiom:
∀X : set, ∀Y : setset, xX, yY x, pair x y xX, Y x
Axiom. (Sigma_eta_proj0_proj1) We take the following as an axiom:
∀X : set, ∀Y : setset, z(xX, Y x), pair (proj0 z) (proj1 z) = z proj0 z X proj1 z Y (proj0 z)
Axiom. (proj_Sigma_eta) We take the following as an axiom:
∀X : set, ∀Y : setset, z(xX, Y x), pair (proj0 z) (proj1 z) = z
Axiom. (proj0_Sigma) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀z : set, z (xX, Y x)proj0 z X
Axiom. (proj1_Sigma) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀z : set, z (xX, Y x)proj1 z Y (proj0 z)
Axiom. (pair_Sigma_E1) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀x y : set, pair x y (xX, Y x)y Y x
Axiom. (Sigma_E) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀z : set, z (xX, Y x)xX, yY x, z = pair x y
Definition. We define setprod to be λX Y : setxX, Y of type setsetset.
Notation. We use as an infix operator with priority 440 and which associates to the left corresponding to applying term setprod.
Let lam : set(setset)setSigma
Definition. We define ap to be λf x ⇒ {proj1 z|zf, y : set, z = pair x y} of type setsetset.
Notation. When x is a set, a term x y is notation for ap x y.
Notation. λ xAB is notation for the set Sigma Ax : set ⇒ B).
Notation. We now use n-tuple notation (a0,...,an-1) for n ≥ 2 for λ i ∈ n . if i = 0 then a0 else ... if i = n-2 then an-2 else an-1.
Axiom. (lamI) We take the following as an axiom:
∀X : set, ∀F : setset, xX, yF x, pair x y λxX F x
Axiom. (lamE) We take the following as an axiom:
∀X : set, ∀F : setset, ∀z : set, z (λxX F x)xX, yF x, z = pair x y
Axiom. (apI) We take the following as an axiom:
∀f x y, pair x y fy f x
Axiom. (apE) We take the following as an axiom:
∀f x y, y f xpair x y f
Axiom. (beta) We take the following as an axiom:
∀X : set, ∀F : setset, ∀x : set, x X(λxX F x) x = F x
Axiom. (proj0_ap_0) We take the following as an axiom:
∀u, proj0 u = u 0
Axiom. (proj1_ap_1) We take the following as an axiom:
∀u, proj1 u = u 1
Axiom. (pair_ap_0) We take the following as an axiom:
∀x y : set, (pair x y) 0 = x
Axiom. (pair_ap_1) We take the following as an axiom:
∀x y : set, (pair x y) 1 = y
Axiom. (ap0_Sigma) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀z : set, z (xX, Y x)(z 0) X
Axiom. (ap1_Sigma) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀z : set, z (xX, Y x)(z 1) (Y (z 0))
Definition. We define pair_p to be λu : setpair (u 0) (u 1) = u of type setprop.
Axiom. (pair_p_I) We take the following as an axiom:
∀x y, pair_p (pair x y)
Axiom. (Subq_2_UPair01) We take the following as an axiom:
Axiom. (tuple_pair) We take the following as an axiom:
∀x y : set, pair x y = (x,y)
Definition. We define Pi to be λX Y ⇒ {f𝒫 (xX, (Y x))|xX, f x Y x} of type set(setset)set.
Notation. We use x...y [possibly with ascriptions] , B as a binder notation corresponding to a term constructed using Pi.
Axiom. (PiI) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀f : set, (uf, pair_p u u 0 X)(xX, f x Y x)f xX, Y x
Axiom. (lam_Pi) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀F : setset, (xX, F x Y x)(λxX F x) (xX, Y x)
Axiom. (ap_Pi) We take the following as an axiom:
∀X : set, ∀Y : setset, ∀f : set, ∀x : set, f (xX, Y x)x Xf x Y x
Definition. We define setexp to be λX Y : setyY, X of type setsetset.
Notation. We use :^: as an infix operator with priority 430 and which associates to the left corresponding to applying term setexp.
Axiom. (pair_tuple_fun) We take the following as an axiom:
pair = (λx y ⇒ (x,y))
Axiom. (lamI2) We take the following as an axiom:
∀X, ∀F : setset, xX, yF x, (x,y) λxX F x
Beginning of Section Tuples
Variable x0 x1 : set
Axiom. (tuple_2_0_eq) We take the following as an axiom:
(x0,x1) 0 = x0
Axiom. (tuple_2_1_eq) We take the following as an axiom:
(x0,x1) 1 = x1
End of Section Tuples
Axiom. (ReplEq_setprod_ext) We take the following as an axiom:
∀X Y, ∀F G : setsetset, (xX, yY, F x y = G x y){F (w 0) (w 1)|wX Y} = {G (w 0) (w 1)|wX Y}
Axiom. (tuple_2_Sigma) We take the following as an axiom:
∀X : set, ∀Y : setset, xX, yY x, (x,y) xX, Y x
Axiom. (tuple_2_setprod) We take the following as an axiom:
∀X : set, ∀Y : set, xX, yY, (x,y) X Y
End of Section pair_setsum
Notation. We use x...y [possibly with ascriptions] , B as a binder notation corresponding to a term constructed using Sigma.
Notation. We use as an infix operator with priority 440 and which associates to the left corresponding to applying term setprod.
Notation. We use x...y [possibly with ascriptions] , B as a binder notation corresponding to a term constructed using Pi.
Notation. We use :^: as an infix operator with priority 430 and which associates to the left corresponding to applying term setexp.
Primitive. The name DescrR_i_io_1 is a term of type (set(setprop)prop)set.
Primitive. The name DescrR_i_io_2 is a term of type (set(setprop)prop)setprop.
Axiom. (DescrR_i_io_12) We take the following as an axiom:
∀R : set(setprop)prop, (x, (y : setprop, R x y) (∀y z : setprop, R x yR x zy = z))R (DescrR_i_io_1 R) (DescrR_i_io_2 R)
Definition. We define PNoEq_ to be λalpha p q ⇒ betaalpha, p beta q beta of type set(setprop)(setprop)prop.
Axiom. (PNoEq_ref_) We take the following as an axiom:
∀alpha, ∀p : setprop, PNoEq_ alpha p p
Axiom. (PNoEq_sym_) We take the following as an axiom:
∀alpha, ∀p q : setprop, PNoEq_ alpha p qPNoEq_ alpha q p
Axiom. (PNoEq_tra_) We take the following as an axiom:
∀alpha, ∀p q r : setprop, PNoEq_ alpha p qPNoEq_ alpha q rPNoEq_ alpha p r
Axiom. (PNoEq_antimon_) We take the following as an axiom:
∀p q : setprop, ∀alpha, ordinal alphabetaalpha, PNoEq_ alpha p qPNoEq_ beta p q
Definition. We define PNoLt_ to be λalpha p q ⇒ betaalpha, PNoEq_ beta p q ¬ p beta q beta of type set(setprop)(setprop)prop.
Axiom. (PNoLt_E_) We take the following as an axiom:
∀alpha, ∀p q : setprop, PNoLt_ alpha p q∀R : prop, (∀beta, beta alphaPNoEq_ beta p q¬ p betaq betaR)R
Axiom. (PNoLt_irref_) We take the following as an axiom:
∀alpha, ∀p : setprop, ¬ PNoLt_ alpha p p
Axiom. (PNoLt_mon_) We take the following as an axiom:
∀p q : setprop, ∀alpha, ordinal alphabetaalpha, PNoLt_ beta p qPNoLt_ alpha p q
Axiom. (PNoLt_trichotomy_or_) We take the following as an axiom:
∀p q : setprop, ∀alpha, ordinal alphaPNoLt_ alpha p q PNoEq_ alpha p q PNoLt_ alpha q p
Axiom. (PNoLt_tra_) We take the following as an axiom:
∀alpha, ordinal alpha∀p q r : setprop, PNoLt_ alpha p qPNoLt_ alpha q rPNoLt_ alpha p r
Primitive. The name PNoLt is a term of type set(setprop)set(setprop)prop.
Axiom. (PNoLtI1) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, PNoLt_ (alpha beta) p qPNoLt alpha p beta q
Axiom. (PNoLtI2) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, alpha betaPNoEq_ alpha p qq alphaPNoLt alpha p beta q
Axiom. (PNoLtI3) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, beta alphaPNoEq_ beta p q¬ p betaPNoLt alpha p beta q
Axiom. (PNoLtE) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, PNoLt alpha p beta q∀R : prop, (PNoLt_ (alpha beta) p qR)(alpha betaPNoEq_ alpha p qq alphaR)(beta alphaPNoEq_ beta p q¬ p betaR)R
Axiom. (PNoLt_irref) We take the following as an axiom:
∀alpha, ∀p : setprop, ¬ PNoLt alpha p alpha p
Axiom. (PNoLt_trichotomy_or) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, ordinal alphaordinal betaPNoLt alpha p beta q alpha = beta PNoEq_ alpha p q PNoLt beta q alpha p
Axiom. (PNoLtEq_tra) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal beta∀p q r : setprop, PNoLt alpha p beta qPNoEq_ beta q rPNoLt alpha p beta r
Axiom. (PNoEqLt_tra) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal beta∀p q r : setprop, PNoEq_ alpha p qPNoLt alpha q beta rPNoLt alpha p beta r
Axiom. (PNoLt_tra) We take the following as an axiom:
∀alpha beta gamma, ordinal alphaordinal betaordinal gamma∀p q r : setprop, PNoLt alpha p beta qPNoLt beta q gamma rPNoLt alpha p gamma r
Definition. We define PNoLe to be λalpha p beta q ⇒ PNoLt alpha p beta q alpha = beta PNoEq_ alpha p q of type set(setprop)set(setprop)prop.
Axiom. (PNoLeI1) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, PNoLt alpha p beta qPNoLe alpha p beta q
Axiom. (PNoLeI2) We take the following as an axiom:
∀alpha, ∀p q : setprop, PNoEq_ alpha p qPNoLe alpha p alpha q
Axiom. (PNoLe_ref) We take the following as an axiom:
∀alpha, ∀p : setprop, PNoLe alpha p alpha p
Axiom. (PNoLe_antisym) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal beta∀p q : setprop, PNoLe alpha p beta qPNoLe beta q alpha palpha = beta PNoEq_ alpha p q
Axiom. (PNoLtLe_tra) We take the following as an axiom:
∀alpha beta gamma, ordinal alphaordinal betaordinal gamma∀p q r : setprop, PNoLt alpha p beta qPNoLe beta q gamma rPNoLt alpha p gamma r
Axiom. (PNoLeLt_tra) We take the following as an axiom:
∀alpha beta gamma, ordinal alphaordinal betaordinal gamma∀p q r : setprop, PNoLe alpha p beta qPNoLt beta q gamma rPNoLt alpha p gamma r
Axiom. (PNoEqLe_tra) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal beta∀p q r : setprop, PNoEq_ alpha p qPNoLe alpha q beta rPNoLe alpha p beta r
Axiom. (PNoLe_tra) We take the following as an axiom:
∀alpha beta gamma, ordinal alphaordinal betaordinal gamma∀p q r : setprop, PNoLe alpha p beta qPNoLe beta q gamma rPNoLe alpha p gamma r
Definition. We define PNo_downc to be λL alpha p ⇒ beta, ordinal beta q : setprop, L beta q PNoLe alpha p beta q of type (set(setprop)prop)set(setprop)prop.
Definition. We define PNo_upc to be λR alpha p ⇒ beta, ordinal beta q : setprop, R beta q PNoLe beta q alpha p of type (set(setprop)prop)set(setprop)prop.
Axiom. (PNoLe_downc) We take the following as an axiom:
∀L : set(setprop)prop, ∀alpha beta, ∀p q : setprop, ordinal alphaordinal betaPNo_downc L alpha pPNoLe beta q alpha pPNo_downc L beta q
Axiom. (PNo_downc_ref) We take the following as an axiom:
∀L : set(setprop)prop, ∀alpha, ordinal alpha∀p : setprop, L alpha pPNo_downc L alpha p
Axiom. (PNo_upc_ref) We take the following as an axiom:
∀R : set(setprop)prop, ∀alpha, ordinal alpha∀p : setprop, R alpha pPNo_upc R alpha p
Axiom. (PNoLe_upc) We take the following as an axiom:
∀R : set(setprop)prop, ∀alpha beta, ∀p q : setprop, ordinal alphaordinal betaPNo_upc R alpha pPNoLe alpha p beta qPNo_upc R beta q
Definition. We define PNoLt_pwise to be λL R ⇒ ∀gamma, ordinal gamma∀p : setprop, L gamma p∀delta, ordinal delta∀q : setprop, R delta qPNoLt gamma p delta q of type (set(setprop)prop)(set(setprop)prop)prop.
Axiom. (PNoLt_pwise_downc_upc) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L RPNoLt_pwise (PNo_downc L) (PNo_upc R)
Definition. We define PNo_rel_strict_upperbd to be λL alpha p ⇒ betaalpha, ∀q : setprop, PNo_downc L beta qPNoLt beta q alpha p of type (set(setprop)prop)set(setprop)prop.
Definition. We define PNo_rel_strict_lowerbd to be λR alpha p ⇒ betaalpha, ∀q : setprop, PNo_upc R beta qPNoLt alpha p beta q of type (set(setprop)prop)set(setprop)prop.
Definition. We define PNo_rel_strict_imv to be λL R alpha p ⇒ PNo_rel_strict_upperbd L alpha p PNo_rel_strict_lowerbd R alpha p of type (set(setprop)prop)(set(setprop)prop)set(setprop)prop.
Axiom. (PNoEq_rel_strict_upperbd) We take the following as an axiom:
∀L : set(setprop)prop, ∀alpha, ordinal alpha∀p q : setprop, PNoEq_ alpha p qPNo_rel_strict_upperbd L alpha pPNo_rel_strict_upperbd L alpha q
Axiom. (PNo_rel_strict_upperbd_antimon) We take the following as an axiom:
∀L : set(setprop)prop, ∀alpha, ordinal alpha∀p : setprop, betaalpha, PNo_rel_strict_upperbd L alpha pPNo_rel_strict_upperbd L beta p
Axiom. (PNoEq_rel_strict_lowerbd) We take the following as an axiom:
∀R : set(setprop)prop, ∀alpha, ordinal alpha∀p q : setprop, PNoEq_ alpha p qPNo_rel_strict_lowerbd R alpha pPNo_rel_strict_lowerbd R alpha q
Axiom. (PNo_rel_strict_lowerbd_antimon) We take the following as an axiom:
∀R : set(setprop)prop, ∀alpha, ordinal alpha∀p : setprop, betaalpha, PNo_rel_strict_lowerbd R alpha pPNo_rel_strict_lowerbd R beta p
Axiom. (PNoEq_rel_strict_imv) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alpha∀p q : setprop, PNoEq_ alpha p qPNo_rel_strict_imv L R alpha pPNo_rel_strict_imv L R alpha q
Axiom. (PNo_rel_strict_imv_antimon) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alpha∀p : setprop, betaalpha, PNo_rel_strict_imv L R alpha pPNo_rel_strict_imv L R beta p
Definition. We define PNo_rel_strict_uniq_imv to be λL R alpha p ⇒ PNo_rel_strict_imv L R alpha p ∀q : setprop, PNo_rel_strict_imv L R alpha qPNoEq_ alpha p q of type (set(setprop)prop)(set(setprop)prop)set(setprop)prop.
Definition. We define PNo_rel_strict_split_imv to be λL R alpha p ⇒ PNo_rel_strict_imv L R (ordsucc alpha) (λdelta ⇒ p delta delta alpha) PNo_rel_strict_imv L R (ordsucc alpha) (λdelta ⇒ p delta delta = alpha) of type (set(setprop)prop)(set(setprop)prop)set(setprop)prop.
Axiom. (PNo_extend0_eq) We take the following as an axiom:
∀alpha, ∀p : setprop, PNoEq_ alpha p (λdelta ⇒ p delta delta alpha)
Axiom. (PNo_extend1_eq) We take the following as an axiom:
∀alpha, ∀p : setprop, PNoEq_ alpha p (λdelta ⇒ p delta delta = alpha)
Axiom. (PNo_rel_imv_ex) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alpha(p : setprop, PNo_rel_strict_uniq_imv L R alpha p) (taualpha, p : setprop, PNo_rel_strict_split_imv L R tau p)
Definition. We define PNo_lenbdd to be λalpha L ⇒ ∀beta, ∀p : setprop, L beta pbeta alpha of type set(set(setprop)prop)prop.
Axiom. (PNo_lenbdd_strict_imv_extend0) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha R∀p : setprop, PNo_rel_strict_imv L R alpha pPNo_rel_strict_imv L R (ordsucc alpha) (λdelta ⇒ p delta delta alpha)
Axiom. (PNo_lenbdd_strict_imv_extend1) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha R∀p : setprop, PNo_rel_strict_imv L R alpha pPNo_rel_strict_imv L R (ordsucc alpha) (λdelta ⇒ p delta delta = alpha)
Axiom. (PNo_lenbdd_strict_imv_split) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha R∀p : setprop, PNo_rel_strict_imv L R alpha pPNo_rel_strict_split_imv L R alpha p
Axiom. (PNo_rel_imv_bdd_ex) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha Rbetaordsucc alpha, p : setprop, PNo_rel_strict_split_imv L R beta p
Definition. We define PNo_strict_upperbd to be λL alpha p ⇒ ∀beta, ordinal beta∀q : setprop, L beta qPNoLt beta q alpha p of type (set(setprop)prop)set(setprop)prop.
Definition. We define PNo_strict_lowerbd to be λR alpha p ⇒ ∀beta, ordinal beta∀q : setprop, R beta qPNoLt alpha p beta q of type (set(setprop)prop)set(setprop)prop.
Definition. We define PNo_strict_imv to be λL R alpha p ⇒ PNo_strict_upperbd L alpha p PNo_strict_lowerbd R alpha p of type (set(setprop)prop)(set(setprop)prop)set(setprop)prop.
Axiom. (PNoEq_strict_upperbd) We take the following as an axiom:
∀L : set(setprop)prop, ∀alpha, ordinal alpha∀p q : setprop, PNoEq_ alpha p qPNo_strict_upperbd L alpha pPNo_strict_upperbd L alpha q
Axiom. (PNoEq_strict_lowerbd) We take the following as an axiom:
∀R : set(setprop)prop, ∀alpha, ordinal alpha∀p q : setprop, PNoEq_ alpha p qPNo_strict_lowerbd R alpha pPNo_strict_lowerbd R alpha q
Axiom. (PNoEq_strict_imv) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alpha∀p q : setprop, PNoEq_ alpha p qPNo_strict_imv L R alpha pPNo_strict_imv L R alpha q
Axiom. (PNo_strict_upperbd_imp_rel_strict_upperbd) We take the following as an axiom:
∀L : set(setprop)prop, ∀alpha, ordinal alphabetaordsucc alpha, ∀p : setprop, PNo_strict_upperbd L alpha pPNo_rel_strict_upperbd L beta p
Axiom. (PNo_strict_lowerbd_imp_rel_strict_lowerbd) We take the following as an axiom:
∀R : set(setprop)prop, ∀alpha, ordinal alphabetaordsucc alpha, ∀p : setprop, PNo_strict_lowerbd R alpha pPNo_rel_strict_lowerbd R beta p
Axiom. (PNo_strict_imv_imp_rel_strict_imv) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alphabetaordsucc alpha, ∀p : setprop, PNo_strict_imv L R alpha pPNo_rel_strict_imv L R beta p
Axiom. (PNo_rel_split_imv_imp_strict_imv) We take the following as an axiom:
∀L R : set(setprop)prop, ∀alpha, ordinal alpha∀p : setprop, PNo_rel_strict_split_imv L R alpha pPNo_strict_imv L R alpha p
Axiom. (PNo_lenbdd_strict_imv_ex) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha Rbetaordsucc alpha, p : setprop, PNo_strict_imv L R beta p
Definition. We define PNo_least_rep to be λL R beta p ⇒ ordinal beta PNo_strict_imv L R beta p gammabeta, ∀q : setprop, ¬ PNo_strict_imv L R gamma q of type (set(setprop)prop)(set(setprop)prop)set(setprop)prop.
Definition. We define PNo_least_rep2 to be λL R beta p ⇒ PNo_least_rep L R beta p ∀x, x beta¬ p x of type (set(setprop)prop)(set(setprop)prop)set(setprop)prop.
Axiom. (PNo_strict_imv_pred_eq) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alpha∀p q : setprop, PNo_least_rep L R alpha pPNo_strict_imv L R alpha qbetaalpha, p beta q beta
Axiom. (PNo_lenbdd_least_rep2_exuniq2) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha Rbeta, (p : setprop, PNo_least_rep2 L R beta p) (∀p q : setprop, PNo_least_rep2 L R beta pPNo_least_rep2 L R beta qp = q)
Primitive. The name PNo_bd is a term of type (set(setprop)prop)(set(setprop)prop)set.
Primitive. The name PNo_pred is a term of type (set(setprop)prop)(set(setprop)prop)setprop.
Axiom. (PNo_bd_pred_lem) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha RPNo_least_rep2 L R (PNo_bd L R) (PNo_pred L R)
Axiom. (PNo_bd_pred) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha RPNo_least_rep L R (PNo_bd L R) (PNo_pred L R)
Axiom. (PNo_bd_In) We take the following as an axiom:
∀L R : set(setprop)prop, PNoLt_pwise L R∀alpha, ordinal alphaPNo_lenbdd alpha LPNo_lenbdd alpha RPNo_bd L R ordsucc alpha
Beginning of Section TaggedSets
Let tag : setsetλalpha ⇒ SetAdjoin alpha {1}
Notation. We use ' as a postfix operator with priority 100 corresponding to applying term tag.
Axiom. (not_TransSet_Sing1) We take the following as an axiom:
Axiom. (not_ordinal_Sing1) We take the following as an axiom:
Axiom. (tagged_not_ordinal) We take the following as an axiom:
∀y, ¬ ordinal (y ')
Axiom. (tagged_notin_ordinal) We take the following as an axiom:
∀alpha y, ordinal alpha(y ') alpha
Axiom. (tagged_eqE_Subq) We take the following as an axiom:
∀alpha beta, ordinal alphaalpha ' = beta 'alpha beta
Axiom. (tagged_eqE_eq) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaalpha ' = beta 'alpha = beta
Axiom. (tagged_ReplE) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betabeta ' {gamma '|gammaalpha}beta alpha
Axiom. (ordinal_notin_tagged_Repl) We take the following as an axiom:
∀alpha Y, ordinal alphaalpha {y '|yY}
Definition. We define SNoElts_ to be λalpha ⇒ alpha {beta '|betaalpha} of type setset.
Axiom. (SNoElts_mon) We take the following as an axiom:
∀alpha beta, alpha betaSNoElts_ alpha SNoElts_ beta
Definition. We define SNo_ to be λalpha x ⇒ x SNoElts_ alpha betaalpha, exactly1of2 (beta ' x) (beta x) of type setsetprop.
Definition. We define PSNo to be λalpha p ⇒ {betaalpha|p beta} {beta '|betaalpha, ¬ p beta} of type set(setprop)set.
Axiom. (PNoEq_PSNo) We take the following as an axiom:
∀alpha, ordinal alpha∀p : setprop, PNoEq_ alpha (λbeta ⇒ beta PSNo alpha p) p
Axiom. (SNo_PSNo) We take the following as an axiom:
∀alpha, ordinal alpha∀p : setprop, SNo_ alpha (PSNo alpha p)
Axiom. (SNo_PSNo_eta_) We take the following as an axiom:
∀alpha x, ordinal alphaSNo_ alpha xx = PSNo alpha (λbeta ⇒ beta x)
Primitive. The name SNo is a term of type setprop.
Axiom. (SNo_SNo) We take the following as an axiom:
∀alpha, ordinal alpha∀z, SNo_ alpha zSNo z
Primitive. The name SNoLev is a term of type setset.
Axiom. (SNoLev_uniq_Subq) We take the following as an axiom:
∀x alpha beta, ordinal alphaordinal betaSNo_ alpha xSNo_ beta xalpha beta
Axiom. (SNoLev_uniq) We take the following as an axiom:
∀x alpha beta, ordinal alphaordinal betaSNo_ alpha xSNo_ beta xalpha = beta
Axiom. (SNoLev_prop) We take the following as an axiom:
∀x, SNo xordinal (SNoLev x) SNo_ (SNoLev x) x
Axiom. (SNoLev_ordinal) We take the following as an axiom:
∀x, SNo xordinal (SNoLev x)
Axiom. (SNoLev_) We take the following as an axiom:
∀x, SNo xSNo_ (SNoLev x) x
Axiom. (SNo_PSNo_eta) We take the following as an axiom:
∀x, SNo xx = PSNo (SNoLev x) (λbeta ⇒ beta x)
Axiom. (SNoLev_PSNo) We take the following as an axiom:
∀alpha, ordinal alpha∀p : setprop, SNoLev (PSNo alpha p) = alpha
Axiom. (SNo_Subq) We take the following as an axiom:
∀x y, SNo xSNo ySNoLev x SNoLev y(alphaSNoLev x, alpha x alpha y)x y
Definition. We define SNoEq_ to be λalpha x y ⇒ PNoEq_ alpha (λbeta ⇒ beta x) (λbeta ⇒ beta y) of type setsetsetprop.
Axiom. (SNoEq_I) We take the following as an axiom:
∀alpha x y, (betaalpha, beta x beta y)SNoEq_ alpha x y
Axiom. (SNo_eq) We take the following as an axiom:
∀x y, SNo xSNo ySNoLev x = SNoLev ySNoEq_ (SNoLev x) x yx = y
End of Section TaggedSets
Definition. We define SNoLt to be λx y ⇒ PNoLt (SNoLev x) (λbeta ⇒ beta x) (SNoLev y) (λbeta ⇒ beta y) of type setsetprop.
Notation. We use < as an infix operator with priority 490 and no associativity corresponding to applying term SNoLt.
Definition. We define SNoLe to be λx y ⇒ PNoLe (SNoLev x) (λbeta ⇒ beta x) (SNoLev y) (λbeta ⇒ beta y) of type setsetprop.
Notation. We use as an infix operator with priority 490 and no associativity corresponding to applying term SNoLe.
Axiom. (SNoLtLe) We take the following as an axiom:
∀x y, x < yx y
Axiom. (SNoLeE) We take the following as an axiom:
∀x y, SNo xSNo yx yx < y x = y
Axiom. (SNoEq_sym_) We take the following as an axiom:
∀alpha x y, SNoEq_ alpha x ySNoEq_ alpha y x
Axiom. (SNoEq_tra_) We take the following as an axiom:
∀alpha x y z, SNoEq_ alpha x ySNoEq_ alpha y zSNoEq_ alpha x z
Axiom. (SNoLtE) We take the following as an axiom:
∀x y, SNo xSNo yx < y∀p : prop, (∀z, SNo zSNoLev z SNoLev x SNoLev ySNoEq_ (SNoLev z) z xSNoEq_ (SNoLev z) z yx < zz < ySNoLev z xSNoLev z yp)(SNoLev x SNoLev ySNoEq_ (SNoLev x) x ySNoLev x yp)(SNoLev y SNoLev xSNoEq_ (SNoLev y) x ySNoLev y xp)p
Axiom. (SNoLtI2) We take the following as an axiom:
∀x y, SNoLev x SNoLev ySNoEq_ (SNoLev x) x ySNoLev x yx < y
Axiom. (SNoLtI3) We take the following as an axiom:
∀x y, SNoLev y SNoLev xSNoEq_ (SNoLev y) x ySNoLev y xx < y
Axiom. (SNoLt_irref) We take the following as an axiom:
∀x, ¬ SNoLt x x
Axiom. (SNoLt_trichotomy_or) We take the following as an axiom:
∀x y, SNo xSNo yx < y x = y y < x
Axiom. (SNoLt_trichotomy_or_impred) We take the following as an axiom:
∀x y, SNo xSNo y∀p : prop, (x < yp)(x = yp)(y < xp)p
Axiom. (SNoLt_tra) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx < yy < zx < z
Axiom. (SNoLe_ref) We take the following as an axiom:
∀x, SNoLe x x
Axiom. (SNoLe_antisym) We take the following as an axiom:
∀x y, SNo xSNo yx yy xx = y
Axiom. (SNoLtLe_tra) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx < yy zx < z
Axiom. (SNoLeLt_tra) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx yy < zx < z
Axiom. (SNoLe_tra) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx yy zx z
Axiom. (SNoLtLe_or) We take the following as an axiom:
∀x y, SNo xSNo yx < y y x
Axiom. (SNoLt_PSNo_PNoLt) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, ordinal alphaordinal betaPSNo alpha p < PSNo beta qPNoLt alpha p beta q
Axiom. (PNoLt_SNoLt_PSNo) We take the following as an axiom:
∀alpha beta, ∀p q : setprop, ordinal alphaordinal betaPNoLt alpha p beta qPSNo alpha p < PSNo beta q
Definition. We define SNoCut to be λL R ⇒ PSNo (PNo_bd (λalpha p ⇒ ordinal alpha PSNo alpha p L) (λalpha p ⇒ ordinal alpha PSNo alpha p R)) (PNo_pred (λalpha p ⇒ ordinal alpha PSNo alpha p L) (λalpha p ⇒ ordinal alpha PSNo alpha p R)) of type setsetset.
Definition. We define SNoCutP to be λL R ⇒ (xL, SNo x) (yR, SNo y) (xL, yR, x < y) of type setsetprop.
Axiom. (SNoCutP_SNoCut) We take the following as an axiom:
∀L R, SNoCutP L RSNo (SNoCut L R) SNoLev (SNoCut L R) ordsucc ((xLordsucc (SNoLev x)) (yRordsucc (SNoLev y))) (xL, x < SNoCut L R) (yR, SNoCut L R < y) (∀z, SNo z(xL, x < z)(yR, z < y)SNoLev (SNoCut L R) SNoLev z SNoEq_ (SNoLev (SNoCut L R)) (SNoCut L R) z)
Axiom. (SNoCutP_SNoCut_impred) We take the following as an axiom:
∀L R, SNoCutP L R∀p : prop, (SNo (SNoCut L R)SNoLev (SNoCut L R) ordsucc ((xLordsucc (SNoLev x)) (yRordsucc (SNoLev y)))(xL, x < SNoCut L R)(yR, SNoCut L R < y)(∀z, SNo z(xL, x < z)(yR, z < y)SNoLev (SNoCut L R) SNoLev z SNoEq_ (SNoLev (SNoCut L R)) (SNoCut L R) z)p)p
Axiom. (SNoCutP_L_0) We take the following as an axiom:
∀L, (xL, SNo x)SNoCutP L 0
Axiom. (SNoCutP_0_R) We take the following as an axiom:
∀R, (xR, SNo x)SNoCutP 0 R
Axiom. (SNoCutP_0_0) We take the following as an axiom:
SNoCutP 0 0
Definition. We define SNoS_ to be λalpha ⇒ {x𝒫 (SNoElts_ alpha)|betaalpha, SNo_ beta x} of type setset.
Axiom. (SNoS_E) We take the following as an axiom:
∀alpha, ordinal alphaxSNoS_ alpha, betaalpha, SNo_ beta x
Beginning of Section TaggedSets2
Let tag : setsetλalpha ⇒ SetAdjoin alpha {1}
Notation. We use ' as a postfix operator with priority 100 corresponding to applying term tag.
Axiom. (SNoS_I) We take the following as an axiom:
∀alpha, ordinal alpha∀x, betaalpha, SNo_ beta xx SNoS_ alpha
Axiom. (SNoS_I2) We take the following as an axiom:
∀x y, SNo xSNo ySNoLev x SNoLev yx SNoS_ (SNoLev y)
Axiom. (SNoS_Subq) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaalpha betaSNoS_ alpha SNoS_ beta
Axiom. (SNoLev_uniq2) We take the following as an axiom:
∀alpha, ordinal alpha∀x, SNo_ alpha xSNoLev x = alpha
Axiom. (SNoS_E2) We take the following as an axiom:
∀alpha, ordinal alphaxSNoS_ alpha, ∀p : prop, (SNoLev x alphaordinal (SNoLev x)SNo xSNo_ (SNoLev x) xp)p
Axiom. (SNoS_In_neq) We take the following as an axiom:
∀w, SNo wxSNoS_ (SNoLev w), x w
Axiom. (SNoS_SNoLev) We take the following as an axiom:
∀z, SNo zz SNoS_ (ordsucc (SNoLev z))
Definition. We define SNoL to be λz ⇒ {xSNoS_ (SNoLev z)|x < z} of type setset.
Definition. We define SNoR to be λz ⇒ {ySNoS_ (SNoLev z)|z < y} of type setset.
Axiom. (SNoCutP_SNoL_SNoR) We take the following as an axiom:
∀z, SNo zSNoCutP (SNoL z) (SNoR z)
Axiom. (SNoL_E) We take the following as an axiom:
∀x, SNo xwSNoL x, ∀p : prop, (SNo wSNoLev w SNoLev xw < xp)p
Axiom. (SNoR_E) We take the following as an axiom:
∀x, SNo xzSNoR x, ∀p : prop, (SNo zSNoLev z SNoLev xx < zp)p
Axiom. (SNoL_SNoS_) We take the following as an axiom:
∀z, SNoL z SNoS_ (SNoLev z)
Axiom. (SNoR_SNoS_) We take the following as an axiom:
∀z, SNoR z SNoS_ (SNoLev z)
Axiom. (SNoL_SNoS) We take the following as an axiom:
∀x, SNo xwSNoL x, w SNoS_ (SNoLev x)
Axiom. (SNoR_SNoS) We take the following as an axiom:
∀x, SNo xzSNoR x, z SNoS_ (SNoLev x)
Axiom. (SNoL_I) We take the following as an axiom:
∀z, SNo z∀x, SNo xSNoLev x SNoLev zx < zx SNoL z
Axiom. (SNoR_I) We take the following as an axiom:
∀z, SNo z∀y, SNo ySNoLev y SNoLev zz < yy SNoR z
Axiom. (SNo_eta) We take the following as an axiom:
∀z, SNo zz = SNoCut (SNoL z) (SNoR z)
Axiom. (SNoCutP_SNo_SNoCut) We take the following as an axiom:
∀L R, SNoCutP L RSNo (SNoCut L R)
Axiom. (SNoCutP_SNoCut_L) We take the following as an axiom:
∀L R, SNoCutP L RxL, x < SNoCut L R
Axiom. (SNoCutP_SNoCut_R) We take the following as an axiom:
∀L R, SNoCutP L RyR, SNoCut L R < y
Axiom. (SNoCutP_SNoCut_fst) We take the following as an axiom:
∀L R, SNoCutP L R∀z, SNo z(xL, x < z)(yR, z < y)SNoLev (SNoCut L R) SNoLev z SNoEq_ (SNoLev (SNoCut L R)) (SNoCut L R) z
Axiom. (SNoCut_Le) We take the following as an axiom:
∀L1 R1 L2 R2, SNoCutP L1 R1SNoCutP L2 R2(wL1, w < SNoCut L2 R2)(zR2, SNoCut L1 R1 < z)SNoCut L1 R1 SNoCut L2 R2
Axiom. (SNoCut_ext) We take the following as an axiom:
∀L1 R1 L2 R2, SNoCutP L1 R1SNoCutP L2 R2(wL1, w < SNoCut L2 R2)(zR1, SNoCut L2 R2 < z)(wL2, w < SNoCut L1 R1)(zR2, SNoCut L1 R1 < z)SNoCut L1 R1 = SNoCut L2 R2
Axiom. (SNoLt_SNoL_or_SNoR_impred) We take the following as an axiom:
∀x y, SNo xSNo yx < y∀p : prop, (zSNoL y, z SNoR xp)(x SNoL yp)(y SNoR xp)p
Axiom. (SNoL_or_SNoR_impred) We take the following as an axiom:
∀x y, SNo xSNo y∀p : prop, (x = yp)(zSNoL y, z SNoR xp)(x SNoL yp)(y SNoR xp)(zSNoR y, z SNoL xp)(x SNoR yp)(y SNoL xp)p
Axiom. (ordinal_SNo_) We take the following as an axiom:
∀alpha, ordinal alphaSNo_ alpha alpha
Axiom. (ordinal_SNo) We take the following as an axiom:
∀alpha, ordinal alphaSNo alpha
Axiom. (ordinal_SNoLev) We take the following as an axiom:
∀alpha, ordinal alphaSNoLev alpha = alpha
Axiom. (ordinal_SNoLev_max) We take the following as an axiom:
∀alpha, ordinal alpha∀z, SNo zSNoLev z alphaz < alpha
Axiom. (ordinal_SNoL) We take the following as an axiom:
∀alpha, ordinal alphaSNoL alpha = SNoS_ alpha
Axiom. (ordinal_SNoR) We take the following as an axiom:
∀alpha, ordinal alphaSNoR alpha = Empty
Axiom. (nat_p_SNo) We take the following as an axiom:
∀n, nat_p nSNo n
Axiom. (omega_SNo) We take the following as an axiom:
Axiom. (omega_SNoS_omega) We take the following as an axiom:
Axiom. (ordinal_In_SNoLt) We take the following as an axiom:
∀alpha, ordinal alphabetaalpha, beta < alpha
Axiom. (ordinal_SNoLev_max_2) We take the following as an axiom:
∀alpha, ordinal alpha∀z, SNo zSNoLev z ordsucc alphaz alpha
Axiom. (ordinal_Subq_SNoLe) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaalpha betaalpha beta
Axiom. (ordinal_SNoLt_In) We take the following as an axiom:
∀alpha beta, ordinal alphaordinal betaalpha < betaalpha beta
Axiom. (omega_nonneg) We take the following as an axiom:
Axiom. (SNo_0) We take the following as an axiom:
Axiom. (SNo_1) We take the following as an axiom:
Axiom. (SNo_2) We take the following as an axiom:
Axiom. (SNoLev_0) We take the following as an axiom:
Axiom. (SNoCut_0_0) We take the following as an axiom:
Axiom. (SNoL_0) We take the following as an axiom:
Axiom. (SNoR_0) We take the following as an axiom:
Axiom. (SNoL_1) We take the following as an axiom:
Axiom. (SNoR_1) We take the following as an axiom:
Axiom. (SNo_max_SNoLev) We take the following as an axiom:
∀x, SNo x(ySNoS_ (SNoLev x), y < x)SNoLev x = x
Axiom. (SNo_max_ordinal) We take the following as an axiom:
∀x, SNo x(ySNoS_ (SNoLev x), y < x)ordinal x
Definition. We define SNo_extend0 to be λx ⇒ PSNo (ordsucc (SNoLev x)) (λdelta ⇒ delta x delta SNoLev x) of type setset.
Definition. We define SNo_extend1 to be λx ⇒ PSNo (ordsucc (SNoLev x)) (λdelta ⇒ delta x delta = SNoLev x) of type setset.
Axiom. (SNo_extend0_SNo_) We take the following as an axiom:
∀x, SNo xSNo_ (ordsucc (SNoLev x)) (SNo_extend0 x)
Axiom. (SNo_extend1_SNo_) We take the following as an axiom:
∀x, SNo xSNo_ (ordsucc (SNoLev x)) (SNo_extend1 x)
Axiom. (SNo_extend0_SNo) We take the following as an axiom:
∀x, SNo xSNo (SNo_extend0 x)
Axiom. (SNo_extend1_SNo) We take the following as an axiom:
∀x, SNo xSNo (SNo_extend1 x)
Axiom. (SNo_extend0_SNoLev) We take the following as an axiom:
∀x, SNo xSNoLev (SNo_extend0 x) = ordsucc (SNoLev x)
Axiom. (SNo_extend1_SNoLev) We take the following as an axiom:
∀x, SNo xSNoLev (SNo_extend1 x) = ordsucc (SNoLev x)
Axiom. (SNo_extend0_nIn) We take the following as an axiom:
∀x, SNo xSNoLev x SNo_extend0 x
Axiom. (SNo_extend1_In) We take the following as an axiom:
∀x, SNo xSNoLev x SNo_extend1 x
Axiom. (SNo_extend0_SNoEq) We take the following as an axiom:
∀x, SNo xSNoEq_ (SNoLev x) (SNo_extend0 x) x
Axiom. (SNo_extend1_SNoEq) We take the following as an axiom:
∀x, SNo xSNoEq_ (SNoLev x) (SNo_extend1 x) x
Axiom. (SNoLev_0_eq_0) We take the following as an axiom:
∀x, SNo xSNoLev x = 0x = 0
Definition. We define eps_ to be λn ⇒ {0} {(ordsucc m) '|mn} of type setset.
Axiom. (eps_ordinal_In_eq_0) We take the following as an axiom:
∀n alpha, ordinal alphaalpha eps_ nalpha = 0
Axiom. (eps_0_1) We take the following as an axiom:
Axiom. (SNo__eps_) We take the following as an axiom:
Axiom. (SNo_eps_) We take the following as an axiom:
Axiom. (SNo_eps_1) We take the following as an axiom:
Axiom. (SNoLev_eps_) We take the following as an axiom:
Axiom. (SNo_eps_SNoS_omega) We take the following as an axiom:
Axiom. (SNo_eps_decr) We take the following as an axiom:
Axiom. (SNo_eps_pos) We take the following as an axiom:
Axiom. (SNo_pos_eps_Lt) We take the following as an axiom:
∀n, nat_p nxSNoS_ (ordsucc n), 0 < xeps_ n < x
Axiom. (SNo_pos_eps_Le) We take the following as an axiom:
∀n, nat_p nxSNoS_ (ordsucc (ordsucc n)), 0 < xeps_ n x
Axiom. (eps_SNo_eq) We take the following as an axiom:
∀n, nat_p nxSNoS_ (ordsucc n), 0 < xSNoEq_ (SNoLev x) (eps_ n) xmn, x = eps_ m
Axiom. (eps_SNoCutP) We take the following as an axiom:
Axiom. (eps_SNoCut) We take the following as an axiom:
End of Section TaggedSets2
Axiom. (SNo_etaE) We take the following as an axiom:
∀z, SNo z∀p : prop, (∀L R, SNoCutP L R(xL, SNoLev x SNoLev z)(yR, SNoLev y SNoLev z)z = SNoCut L Rp)p
Axiom. (SNo_ind) We take the following as an axiom:
∀P : setprop, (∀L R, SNoCutP L R(xL, P x)(yR, P y)P (SNoCut L R))∀z, SNo zP z
Beginning of Section SurrealRecI
Variable F : set(setset)set
Let default : setEps_i (λ_ ⇒ True)
Let G : set(setsetset)setsetλalpha g ⇒ If_ii (ordinal alpha) (λz : setif z SNoS_ (ordsucc alpha) then F z (λw ⇒ g (SNoLev w) w) else default) (λz : setdefault)
Primitive. The name SNo_rec_i is a term of type setset.
Hypothesis Fr : ∀z, SNo z∀g h : setset, (wSNoS_ (SNoLev z), g w = h w)F z g = F z h
Axiom. (SNo_rec_i_eq) We take the following as an axiom:
∀z, SNo zSNo_rec_i z = F z SNo_rec_i
End of Section SurrealRecI
Beginning of Section SurrealRecII
Variable F : set(set(setset))(setset)
Let default : (setset)Descr_ii (λ_ ⇒ True)
Let G : set(setset(setset))set(setset)λalpha g ⇒ If_iii (ordinal alpha) (λz : setIf_ii (z SNoS_ (ordsucc alpha)) (F z (λw ⇒ g (SNoLev w) w)) default) (λz : setdefault)
Primitive. The name SNo_rec_ii is a term of type set(setset).
Hypothesis Fr : ∀z, SNo z∀g h : set(setset), (wSNoS_ (SNoLev z), g w = h w)F z g = F z h
Axiom. (SNo_rec_ii_eq) We take the following as an axiom:
∀z, SNo zSNo_rec_ii z = F z SNo_rec_ii
End of Section SurrealRecII
Beginning of Section SurrealRec2
Variable F : setset(setsetset)set
Let G : set(setsetset)set(setset)setλw f z g ⇒ F w z (λx y ⇒ if x = w then g y else f x y)
Let H : set(setsetset)setsetλw f z ⇒ if SNo z then SNo_rec_i (G w f) z else Empty
Primitive. The name SNo_rec2 is a term of type setsetset.
Hypothesis Fr : ∀w, SNo w∀z, SNo z∀g h : setsetset, (xSNoS_ (SNoLev w), ∀y, SNo yg x y = h x y)(ySNoS_ (SNoLev z), g w y = h w y)F w z g = F w z h
Axiom. (SNo_rec2_G_prop) We take the following as an axiom:
∀w, SNo w∀f k : setsetset, (xSNoS_ (SNoLev w), f x = k x)∀z, SNo z∀g h : setset, (uSNoS_ (SNoLev z), g u = h u)G w f z g = G w k z h
Axiom. (SNo_rec2_eq_1) We take the following as an axiom:
∀w, SNo w∀f : setsetset, ∀z, SNo zSNo_rec_i (G w f) z = G w f z (SNo_rec_i (G w f))
Axiom. (SNo_rec2_eq) We take the following as an axiom:
∀w, SNo w∀z, SNo zSNo_rec2 w z = F w z SNo_rec2
End of Section SurrealRec2
Axiom. (SNo_ordinal_ind) We take the following as an axiom:
∀P : setprop, (∀alpha, ordinal alphaxSNoS_ alpha, P x)(∀x, SNo xP x)
Axiom. (SNo_ordinal_ind2) We take the following as an axiom:
∀P : setsetprop, (∀alpha, ordinal alpha∀beta, ordinal betaxSNoS_ alpha, ySNoS_ beta, P x y)(∀x y, SNo xSNo yP x y)
Axiom. (SNo_ordinal_ind3) We take the following as an axiom:
∀P : setsetsetprop, (∀alpha, ordinal alpha∀beta, ordinal beta∀gamma, ordinal gammaxSNoS_ alpha, ySNoS_ beta, zSNoS_ gamma, P x y z)(∀x y z, SNo xSNo ySNo zP x y z)
Axiom. (SNoLev_ind) We take the following as an axiom:
∀P : setprop, (∀x, SNo x(wSNoS_ (SNoLev x), P w)P x)(∀x, SNo xP x)
Axiom. (SNoLev_ind2) We take the following as an axiom:
∀P : setsetprop, (∀x y, SNo xSNo y(wSNoS_ (SNoLev x), P w y)(zSNoS_ (SNoLev y), P x z)(wSNoS_ (SNoLev x), zSNoS_ (SNoLev y), P w z)P x y)∀x y, SNo xSNo yP x y
Axiom. (SNoLev_ind3) We take the following as an axiom:
∀P : setsetsetprop, (∀x y z, SNo xSNo ySNo z(uSNoS_ (SNoLev x), P u y z)(vSNoS_ (SNoLev y), P x v z)(wSNoS_ (SNoLev z), P x y w)(uSNoS_ (SNoLev x), vSNoS_ (SNoLev y), P u v z)(uSNoS_ (SNoLev x), wSNoS_ (SNoLev z), P u y w)(vSNoS_ (SNoLev y), wSNoS_ (SNoLev z), P x v w)(uSNoS_ (SNoLev x), vSNoS_ (SNoLev y), wSNoS_ (SNoLev z), P u v w)P x y z)∀x y z, SNo xSNo ySNo zP x y z
Axiom. (SNo_omega) We take the following as an axiom:
SNo ω
Axiom. (SNoLt_0_1) We take the following as an axiom:
0 < 1
Axiom. (SNoLt_0_2) We take the following as an axiom:
0 < 2
Axiom. (SNoLt_1_2) We take the following as an axiom:
1 < 2
Axiom. (restr_SNo_) We take the following as an axiom:
∀x, SNo xalphaSNoLev x, SNo_ alpha (x SNoElts_ alpha)
Axiom. (restr_SNo) We take the following as an axiom:
∀x, SNo xalphaSNoLev x, SNo (x SNoElts_ alpha)
Axiom. (restr_SNoLev) We take the following as an axiom:
∀x, SNo xalphaSNoLev x, SNoLev (x SNoElts_ alpha) = alpha
Axiom. (restr_SNoEq) We take the following as an axiom:
∀x, SNo xalphaSNoLev x, SNoEq_ alpha (x SNoElts_ alpha) x
Axiom. (SNo_extend0_restr_eq) We take the following as an axiom:
∀x, SNo xx = SNo_extend0 x SNoElts_ (SNoLev x)
Axiom. (SNo_extend1_restr_eq) We take the following as an axiom:
∀x, SNo xx = SNo_extend1 x SNoElts_ (SNoLev x)
Beginning of Section SurrealMinus
Primitive. The name minus_SNo is a term of type setset.
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use as an infix operator with priority 490 and no associativity corresponding to applying term SNoLe.
Axiom. (minus_SNo_eq) We take the following as an axiom:
∀x, SNo x- x = SNoCut {- z|zSNoR x} {- w|wSNoL x}
Axiom. (minus_SNo_prop1) We take the following as an axiom:
∀x, SNo xSNo (- x) (uSNoL x, - x < - u) (uSNoR x, - u < - x) SNoCutP {- z|zSNoR x} {- w|wSNoL x}
Axiom. (SNo_minus_SNo) We take the following as an axiom:
∀x, SNo xSNo (- x)
Axiom. (minus_SNo_Lt_contra) We take the following as an axiom:
∀x y, SNo xSNo yx < y- y < - x
Axiom. (minus_SNo_Le_contra) We take the following as an axiom:
∀x y, SNo xSNo yx y- y - x
Axiom. (minus_SNo_SNoCutP) We take the following as an axiom:
∀x, SNo xSNoCutP {- z|zSNoR x} {- w|wSNoL x}
Axiom. (minus_SNo_SNoCutP_gen) We take the following as an axiom:
∀L R, SNoCutP L RSNoCutP {- z|zR} {- w|wL}
Axiom. (minus_SNo_Lev_lem1) We take the following as an axiom:
∀alpha, ordinal alphaxSNoS_ alpha, SNoLev (- x) SNoLev x
Axiom. (minus_SNo_Lev_lem2) We take the following as an axiom:
∀x, SNo xSNoLev (- x) SNoLev x
Axiom. (minus_SNo_invol) We take the following as an axiom:
∀x, SNo x- - x = x
Axiom. (minus_SNo_Lev) We take the following as an axiom:
∀x, SNo xSNoLev (- x) = SNoLev x
Axiom. (minus_SNo_SNo_) We take the following as an axiom:
∀alpha, ordinal alpha∀x, SNo_ alpha xSNo_ alpha (- x)
Axiom. (minus_SNo_SNoS_) We take the following as an axiom:
∀alpha, ordinal alpha∀x, x SNoS_ alpha- x SNoS_ alpha
Axiom. (minus_SNoCut_eq_lem) We take the following as an axiom:
∀v, SNo v∀L R, SNoCutP L Rv = SNoCut L R- v = SNoCut {- z|zR} {- w|wL}
Axiom. (minus_SNoCut_eq) We take the following as an axiom:
∀L R, SNoCutP L R- SNoCut L R = SNoCut {- z|zR} {- w|wL}
Axiom. (minus_SNo_Lt_contra1) We take the following as an axiom:
∀x y, SNo xSNo y- x < y- y < x
Axiom. (minus_SNo_Lt_contra2) We take the following as an axiom:
∀x y, SNo xSNo yx < - yy < - x
Axiom. (mordinal_SNoLev_min_2) We take the following as an axiom:
∀alpha, ordinal alpha∀z, SNo zSNoLev z ordsucc alpha- alpha z
Axiom. (minus_SNo_SNoS_omega) We take the following as an axiom:
Axiom. (SNoL_minus_SNoR) We take the following as an axiom:
∀x, SNo xSNoL (- x) = {- w|wSNoR x}
End of Section SurrealMinus
Beginning of Section SurrealAdd
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Primitive. The name add_SNo is a term of type setsetset.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Axiom. (add_SNo_eq) We take the following as an axiom:
∀x, SNo x∀y, SNo yx + y = SNoCut ({w + y|wSNoL x} {x + w|wSNoL y}) ({z + y|zSNoR x} {x + z|zSNoR y})
Axiom. (add_SNo_prop1) We take the following as an axiom:
∀x y, SNo xSNo ySNo (x + y) (uSNoL x, u + y < x + y) (uSNoR x, x + y < u + y) (uSNoL y, x + u < x + y) (uSNoR y, x + y < x + u) SNoCutP ({w + y|wSNoL x} {x + w|wSNoL y}) ({z + y|zSNoR x} {x + z|zSNoR y})
Axiom. (SNo_add_SNo) We take the following as an axiom:
∀x y, SNo xSNo ySNo (x + y)
Axiom. (SNo_add_SNo_3) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zSNo (x + y + z)
Axiom. (SNo_add_SNo_3c) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zSNo (x + y + - z)
Axiom. (SNo_add_SNo_4) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wSNo (x + y + z + w)
Axiom. (add_SNo_Lt1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx < zx + y < z + y
Axiom. (add_SNo_Le1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx zx + y z + y
Axiom. (add_SNo_Lt2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zy < zx + y < x + z
Axiom. (add_SNo_Le2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zy zx + y x + z
Axiom. (add_SNo_Lt3a) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx < zy wx + y < z + w
Axiom. (add_SNo_Lt3b) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx zy < wx + y < z + w
Axiom. (add_SNo_Lt3) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx < zy < wx + y < z + w
Axiom. (add_SNo_Le3) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx zy wx + y z + w
Axiom. (add_SNo_SNoCutP) We take the following as an axiom:
∀x y, SNo xSNo ySNoCutP ({w + y|wSNoL x} {x + w|wSNoL y}) ({z + y|zSNoR x} {x + z|zSNoR y})
Axiom. (add_SNo_com) We take the following as an axiom:
∀x y, SNo xSNo yx + y = y + x
Axiom. (add_SNo_0L) We take the following as an axiom:
∀x, SNo x0 + x = x
Axiom. (add_SNo_0R) We take the following as an axiom:
∀x, SNo xx + 0 = x
Axiom. (add_SNo_minus_SNo_linv) We take the following as an axiom:
∀x, SNo x- x + x = 0
Axiom. (add_SNo_minus_SNo_rinv) We take the following as an axiom:
∀x, SNo xx + - x = 0
Axiom. (add_SNo_ordinal_SNoCutP) We take the following as an axiom:
∀alpha, ordinal alpha∀beta, ordinal betaSNoCutP ({x + beta|xSNoS_ alpha} {alpha + x|xSNoS_ beta}) Empty
Axiom. (add_SNo_ordinal_eq) We take the following as an axiom:
∀alpha, ordinal alpha∀beta, ordinal betaalpha + beta = SNoCut ({x + beta|xSNoS_ alpha} {alpha + x|xSNoS_ beta}) Empty
Axiom. (add_SNo_ordinal_ordinal) We take the following as an axiom:
∀alpha, ordinal alpha∀beta, ordinal betaordinal (alpha + beta)
Axiom. (add_SNo_ordinal_SL) We take the following as an axiom:
∀alpha, ordinal alpha∀beta, ordinal betaordsucc alpha + beta = ordsucc (alpha + beta)
Axiom. (add_SNo_ordinal_SR) We take the following as an axiom:
∀alpha, ordinal alpha∀beta, ordinal betaalpha + ordsucc beta = ordsucc (alpha + beta)
Axiom. (add_SNo_ordinal_InL) We take the following as an axiom:
∀alpha, ordinal alpha∀beta, ordinal betagammaalpha, gamma + beta alpha + beta
Axiom. (add_SNo_ordinal_InR) We take the following as an axiom:
∀alpha, ordinal alpha∀beta, ordinal betagammabeta, alpha + gamma alpha + beta
Axiom. (add_nat_add_SNo) We take the following as an axiom:
Axiom. (add_SNo_In_omega) We take the following as an axiom:
Axiom. (add_SNo_1_1_2) We take the following as an axiom:
1 + 1 = 2
Axiom. (add_SNo_SNoL_interpolate) We take the following as an axiom:
∀x y, SNo xSNo yuSNoL (x + y), (vSNoL x, u v + y) (vSNoL y, u x + v)
Axiom. (add_SNo_SNoR_interpolate) We take the following as an axiom:
∀x y, SNo xSNo yuSNoR (x + y), (vSNoR x, v + y u) (vSNoR y, x + v u)
Axiom. (add_SNo_assoc) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + (y + z) = (x + y) + z
Axiom. (add_SNo_cancel_L) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + y = x + zy = z
Axiom. (minus_SNo_0) We take the following as an axiom:
- 0 = 0
Axiom. (minus_add_SNo_distr) We take the following as an axiom:
∀x y, SNo xSNo y- (x + y) = (- x) + (- y)
Axiom. (minus_add_SNo_distr_3) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z- (x + y + z) = - x + - y + - z
Axiom. (add_SNo_Lev_bd) We take the following as an axiom:
∀x y, SNo xSNo ySNoLev (x + y) SNoLev x + SNoLev y
Axiom. (add_SNo_SNoS_omega) We take the following as an axiom:
Axiom. (add_SNo_minus_R2) We take the following as an axiom:
∀x y, SNo xSNo y(x + y) + - y = x
Axiom. (add_SNo_minus_R2') We take the following as an axiom:
∀x y, SNo xSNo y(x + - y) + y = x
Axiom. (add_SNo_minus_L2) We take the following as an axiom:
∀x y, SNo xSNo y- x + (x + y) = y
Axiom. (add_SNo_minus_L2') We take the following as an axiom:
∀x y, SNo xSNo yx + (- x + y) = y
Axiom. (add_SNo_Lt1_cancel) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + y < z + yx < z
Axiom. (add_SNo_Lt2_cancel) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + y < x + zy < z
Axiom. (add_SNo_assoc_4) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx + y + z + w = (x + y + z) + w
Axiom. (add_SNo_com_3_0_1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + y + z = y + x + z
Axiom. (add_SNo_com_3b_1_2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z(x + y) + z = (x + z) + y
Axiom. (add_SNo_com_4_inner_mid) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x + y) + (z + w) = (x + z) + (y + w)
Axiom. (add_SNo_rotate_3_1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + y + z = z + x + y
Axiom. (add_SNo_rotate_4_1) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx + y + z + w = w + x + y + z
Axiom. (add_SNo_rotate_5_1) We take the following as an axiom:
∀x y z w v, SNo xSNo ySNo zSNo wSNo vx + y + z + w + v = v + x + y + z + w
Axiom. (add_SNo_rotate_5_2) We take the following as an axiom:
∀x y z w v, SNo xSNo ySNo zSNo wSNo vx + y + z + w + v = w + v + x + y + z
Axiom. (add_SNo_minus_SNo_prop3) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x + y + z) + (- z + w) = x + y + w
Axiom. (add_SNo_minus_SNo_prop4) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x + y + z) + (w + - z) = x + y + w
Axiom. (add_SNo_minus_SNo_prop5) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x + y + - z) + (z + w) = x + y + w
Axiom. (add_SNo_minus_Lt1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + - y < zx < z + y
Axiom. (add_SNo_minus_Lt2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zz < x + - yz + y < x
Axiom. (add_SNo_minus_Lt1b) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx < z + yx + - y < z
Axiom. (add_SNo_minus_Lt2b) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zz + y < xz < x + - y
Axiom. (add_SNo_minus_Lt1b3) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx + y < w + zx + y + - z < w
Axiom. (add_SNo_minus_Lt2b3) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo ww + z < x + yw < x + y + - z
Axiom. (add_SNo_minus_Lt_lem) We take the following as an axiom:
∀x y z u v w, SNo xSNo ySNo zSNo uSNo vSNo wx + y + w < u + v + zx + y + - z < u + v + - w
Axiom. (add_SNo_minus_Le2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zz x + - yz + y x
Axiom. (add_SNo_minus_Le2b) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zz + y xz x + - y
Axiom. (add_SNo_Lt_subprop2) We take the following as an axiom:
∀x y z w u v, SNo xSNo ySNo zSNo wSNo uSNo vx + u < z + vy + v < w + ux + y < z + w
Axiom. (add_SNo_Lt_subprop3a) We take the following as an axiom:
∀x y z w u a, SNo xSNo ySNo zSNo wSNo uSNo ax + z < w + ay + a < ux + y + z < w + u
Axiom. (add_SNo_Lt_subprop3b) We take the following as an axiom:
∀x y w u v a, SNo xSNo ySNo wSNo uSNo vSNo ax + a < w + vy < a + ux + y < w + u + v
Axiom. (add_SNo_Lt_subprop3c) We take the following as an axiom:
∀x y z w u a b c, SNo xSNo ySNo zSNo wSNo uSNo aSNo bSNo cx + a < b + cy + c < ub + z < w + ax + y + z < w + u
Axiom. (add_SNo_Lt_subprop3d) We take the following as an axiom:
∀x y w u v a b c, SNo xSNo ySNo wSNo uSNo vSNo aSNo bSNo cx + a < b + vy < c + ub + c < w + ax + y < w + u + v
Axiom. (ordinal_ordsucc_SNo_eq) We take the following as an axiom:
∀alpha, ordinal alphaordsucc alpha = 1 + alpha
Axiom. (add_SNo_3a_2b) We take the following as an axiom:
∀x y z w u, SNo xSNo ySNo zSNo wSNo u(x + y + z) + (w + u) = (u + y + z) + (w + x)
Axiom. (add_SNo_1_ordsucc) We take the following as an axiom:
Axiom. (add_SNo_eps_Lt) We take the following as an axiom:
∀x, SNo xnω, x < x + eps_ n
Axiom. (add_SNo_eps_Lt') We take the following as an axiom:
∀x y, SNo xSNo ynω, x < yx < y + eps_ n
Axiom. (SNoLt_minus_pos) We take the following as an axiom:
∀x y, SNo xSNo yx < y0 < y + - x
Axiom. (add_SNo_omega_In_cases) We take the following as an axiom:
∀m, nω, ∀k, nat_p km n + km n m + - n k
Axiom. (add_SNo_Lt4) We take the following as an axiom:
∀x y z w u v, SNo xSNo ySNo zSNo wSNo uSNo vx < wy < uz < vx + y + z < w + u + v
Axiom. (add_SNo_3_3_3_Lt1) We take the following as an axiom:
∀x y z w u, SNo xSNo ySNo zSNo wSNo ux + y < z + wx + y + u < z + w + u
Axiom. (add_SNo_3_2_3_Lt1) We take the following as an axiom:
∀x y z w u, SNo xSNo ySNo zSNo wSNo uy + x < z + wx + u + y < z + w + u
End of Section SurrealAdd
Beginning of Section SurrealMul
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Definition. We define mul_SNo to be SNo_rec2 (λx y m ⇒ SNoCut ({m (w 0) y + m x (w 1) + - m (w 0) (w 1)|wSNoL x SNoL y} {m (z 0) y + m x (z 1) + - m (z 0) (z 1)|zSNoR x SNoR y}) ({m (w 0) y + m x (w 1) + - m (w 0) (w 1)|wSNoL x SNoR y} {m (z 0) y + m x (z 1) + - m (z 0) (z 1)|zSNoR x SNoL y})) of type setsetset.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Axiom. (mul_SNo_eq) We take the following as an axiom:
∀x, SNo x∀y, SNo yx * y = SNoCut ({(w 0) * y + x * (w 1) + - (w 0) * (w 1)|wSNoL x SNoL y} {(z 0) * y + x * (z 1) + - (z 0) * (z 1)|zSNoR x SNoR y}) ({(w 0) * y + x * (w 1) + - (w 0) * (w 1)|wSNoL x SNoR y} {(z 0) * y + x * (z 1) + - (z 0) * (z 1)|zSNoR x SNoL y})
Axiom. (mul_SNo_eq_2) We take the following as an axiom:
∀x y, SNo xSNo y∀p : prop, (∀L R, (∀u, u L(∀q : prop, (w0SNoL x, w1SNoL y, u = w0 * y + x * w1 + - w0 * w1q)(z0SNoR x, z1SNoR y, u = z0 * y + x * z1 + - z0 * z1q)q))(w0SNoL x, w1SNoL y, w0 * y + x * w1 + - w0 * w1 L)(z0SNoR x, z1SNoR y, z0 * y + x * z1 + - z0 * z1 L)(∀u, u R(∀q : prop, (w0SNoL x, z1SNoR y, u = w0 * y + x * z1 + - w0 * z1q)(z0SNoR x, w1SNoL y, u = z0 * y + x * w1 + - z0 * w1q)q))(w0SNoL x, z1SNoR y, w0 * y + x * z1 + - w0 * z1 R)(z0SNoR x, w1SNoL y, z0 * y + x * w1 + - z0 * w1 R)x * y = SNoCut L Rp)p
Axiom. (mul_SNo_prop_1) We take the following as an axiom:
∀x, SNo x∀y, SNo y∀p : prop, (SNo (x * y)(uSNoL x, vSNoL y, u * y + x * v < x * y + u * v)(uSNoR x, vSNoR y, u * y + x * v < x * y + u * v)(uSNoL x, vSNoR y, x * y + u * v < u * y + x * v)(uSNoR x, vSNoL y, x * y + u * v < u * y + x * v)p)p
Axiom. (SNo_mul_SNo) We take the following as an axiom:
∀x y, SNo xSNo ySNo (x * y)
Axiom. (SNo_mul_SNo_lem) We take the following as an axiom:
∀x y u v, SNo xSNo ySNo uSNo vSNo (u * y + x * v + - (u * v))
Axiom. (SNo_mul_SNo_3) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zSNo (x * y * z)
Axiom. (mul_SNo_eq_3) We take the following as an axiom:
∀x y, SNo xSNo y∀p : prop, (∀L R, SNoCutP L R(∀u, u L(∀q : prop, (w0SNoL x, w1SNoL y, u = w0 * y + x * w1 + - w0 * w1q)(z0SNoR x, z1SNoR y, u = z0 * y + x * z1 + - z0 * z1q)q))(w0SNoL x, w1SNoL y, w0 * y + x * w1 + - w0 * w1 L)(z0SNoR x, z1SNoR y, z0 * y + x * z1 + - z0 * z1 L)(∀u, u R(∀q : prop, (w0SNoL x, z1SNoR y, u = w0 * y + x * z1 + - w0 * z1q)(z0SNoR x, w1SNoL y, u = z0 * y + x * w1 + - z0 * w1q)q))(w0SNoL x, z1SNoR y, w0 * y + x * z1 + - w0 * z1 R)(z0SNoR x, w1SNoL y, z0 * y + x * w1 + - z0 * w1 R)x * y = SNoCut L Rp)p
Axiom. (mul_SNo_Lt) We take the following as an axiom:
∀x y u v, SNo xSNo ySNo uSNo vu < xv < yu * y + x * v < x * y + u * v
Axiom. (mul_SNo_Le) We take the following as an axiom:
∀x y u v, SNo xSNo ySNo uSNo vu xv yu * y + x * v x * y + u * v
Axiom. (mul_SNo_SNoL_interpolate) We take the following as an axiom:
∀x y, SNo xSNo yuSNoL (x * y), (vSNoL x, wSNoL y, u + v * w v * y + x * w) (vSNoR x, wSNoR y, u + v * w v * y + x * w)
Axiom. (mul_SNo_SNoL_interpolate_impred) We take the following as an axiom:
∀x y, SNo xSNo yuSNoL (x * y), ∀p : prop, (vSNoL x, wSNoL y, u + v * w v * y + x * wp)(vSNoR x, wSNoR y, u + v * w v * y + x * wp)p
Axiom. (mul_SNo_SNoR_interpolate) We take the following as an axiom:
∀x y, SNo xSNo yuSNoR (x * y), (vSNoL x, wSNoR y, v * y + x * w u + v * w) (vSNoR x, wSNoL y, v * y + x * w u + v * w)
Axiom. (mul_SNo_SNoR_interpolate_impred) We take the following as an axiom:
∀x y, SNo xSNo yuSNoR (x * y), ∀p : prop, (vSNoL x, wSNoR y, v * y + x * w u + v * wp)(vSNoR x, wSNoL y, v * y + x * w u + v * wp)p
Axiom. (mul_SNo_Subq_lem) We take the following as an axiom:
∀x y X Y Z W, ∀U U', (∀u, u U(∀q : prop, (w0X, w1Y, u = w0 * y + x * w1 + - w0 * w1q)(z0Z, z1W, u = z0 * y + x * z1 + - z0 * z1q)q))(w0X, w1Y, w0 * y + x * w1 + - w0 * w1 U')(w0Z, w1W, w0 * y + x * w1 + - w0 * w1 U')U U'
Axiom. (mul_SNo_zeroR) We take the following as an axiom:
∀x, SNo xx * 0 = 0
Axiom. (mul_SNo_oneR) We take the following as an axiom:
∀x, SNo xx * 1 = x
Axiom. (mul_SNo_com) We take the following as an axiom:
∀x y, SNo xSNo yx * y = y * x
Axiom. (mul_SNo_minus_distrL) We take the following as an axiom:
∀x y, SNo xSNo y(- x) * y = - x * y
Axiom. (mul_SNo_minus_distrR) We take the following as an axiom:
∀x y, SNo xSNo yx * (- y) = - (x * y)
Axiom. (mul_SNo_distrR) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z(x + y) * z = x * z + y * z
Axiom. (mul_SNo_distrL) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx * (y + z) = x * y + x * z
Beginning of Section mul_SNo_assoc_lems
Variable M : setsetset
Hypothesis DL : ∀x y z, SNo xSNo ySNo zx * (y + z) = x * y + x * z
Hypothesis DR : ∀x y z, SNo xSNo ySNo z(x + y) * z = x * z + y * z
Hypothesis IL : ∀x y, SNo xSNo yuSNoL (x * y), ∀p : prop, (vSNoL x, wSNoL y, u + v * w v * y + x * wp)(vSNoR x, wSNoR y, u + v * w v * y + x * wp)p
Hypothesis IR : ∀x y, SNo xSNo yuSNoR (x * y), ∀p : prop, (vSNoL x, wSNoR y, v * y + x * w u + v * wp)(vSNoR x, wSNoL y, v * y + x * w u + v * wp)p
Hypothesis M_Lt : ∀x y u v, SNo xSNo ySNo uSNo vu < xv < yu * y + x * v < x * y + u * v
Hypothesis M_Le : ∀x y u v, SNo xSNo ySNo uSNo vu xv yu * y + x * v x * y + u * v
Axiom. (mul_SNo_assoc_lem1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z(uSNoS_ (SNoLev x), u * (y * z) = (u * y) * z)(vSNoS_ (SNoLev y), x * (v * z) = (x * v) * z)(wSNoS_ (SNoLev z), x * (y * w) = (x * y) * w)(uSNoS_ (SNoLev x), vSNoS_ (SNoLev y), u * (v * z) = (u * v) * z)(uSNoS_ (SNoLev x), wSNoS_ (SNoLev z), u * (y * w) = (u * y) * w)(vSNoS_ (SNoLev y), wSNoS_ (SNoLev z), x * (v * w) = (x * v) * w)(uSNoS_ (SNoLev x), vSNoS_ (SNoLev y), wSNoS_ (SNoLev z), u * (v * w) = (u * v) * w)∀L, (uL, ∀q : prop, (vSNoL x, wSNoL (y * z), u = v * (y * z) + x * w + - v * wq)(vSNoR x, wSNoR (y * z), u = v * (y * z) + x * w + - v * wq)q)uL, u < (x * y) * z
Axiom. (mul_SNo_assoc_lem2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z(uSNoS_ (SNoLev x), u * (y * z) = (u * y) * z)(vSNoS_ (SNoLev y), x * (v * z) = (x * v) * z)(wSNoS_ (SNoLev z), x * (y * w) = (x * y) * w)(uSNoS_ (SNoLev x), vSNoS_ (SNoLev y), u * (v * z) = (u * v) * z)(uSNoS_ (SNoLev x), wSNoS_ (SNoLev z), u * (y * w) = (u * y) * w)(vSNoS_ (SNoLev y), wSNoS_ (SNoLev z), x * (v * w) = (x * v) * w)(uSNoS_ (SNoLev x), vSNoS_ (SNoLev y), wSNoS_ (SNoLev z), u * (v * w) = (u * v) * w)∀R, (uR, ∀q : prop, (vSNoL x, wSNoR (y * z), u = v * (y * z) + x * w + - v * wq)(vSNoR x, wSNoL (y * z), u = v * (y * z) + x * w + - v * wq)q)uR, (x * y) * z < u
End of Section mul_SNo_assoc_lems
Axiom. (mul_SNo_assoc) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx * (y * z) = (x * y) * z
Axiom. (mul_nat_mul_SNo) We take the following as an axiom:
Axiom. (mul_SNo_In_omega) We take the following as an axiom:
Axiom. (mul_SNo_zeroL) We take the following as an axiom:
∀x, SNo x0 * x = 0
Axiom. (mul_SNo_oneL) We take the following as an axiom:
∀x, SNo x1 * x = x
Axiom. (pos_mul_SNo_Lt) We take the following as an axiom:
∀x y z, SNo x0 < xSNo ySNo zy < zx * y < x * z
Axiom. (nonneg_mul_SNo_Le) We take the following as an axiom:
∀x y z, SNo x0 xSNo ySNo zy zx * y x * z
Axiom. (neg_mul_SNo_Lt) We take the following as an axiom:
∀x y z, SNo xx < 0SNo ySNo zz < yx * y < x * z
Axiom. (pos_mul_SNo_Lt') We take the following as an axiom:
∀x y z, SNo xSNo ySNo z0 < zx < yx * z < y * z
Axiom. (mul_SNo_Lt1_pos_Lt) We take the following as an axiom:
∀x y, SNo xSNo yx < 10 < yx * y < y
Axiom. (nonneg_mul_SNo_Le') We take the following as an axiom:
∀x y z, SNo xSNo ySNo z0 zx yx * z y * z
Axiom. (mul_SNo_Le1_nonneg_Le) We take the following as an axiom:
∀x y, SNo xSNo yx 10 yx * y y
Axiom. (pos_mul_SNo_Lt2) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w0 < x0 < yx < zy < wx * y < z * w
Axiom. (nonneg_mul_SNo_Le2) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w0 x0 yx zy wx * y z * w
Axiom. (mul_SNo_pos_pos) We take the following as an axiom:
∀x y, SNo xSNo y0 < x0 < y0 < x * y
Axiom. (mul_SNo_nonneg_nonneg) We take the following as an axiom:
∀x y, SNo xSNo y0 x0 y0 x * y
Axiom. (mul_SNo_pos_neg) We take the following as an axiom:
∀x y, SNo xSNo y0 < xy < 0x * y < 0
Axiom. (mul_SNo_neg_pos) We take the following as an axiom:
∀x y, SNo xSNo yx < 00 < yx * y < 0
Axiom. (mul_SNo_neg_neg) We take the following as an axiom:
∀x y, SNo xSNo yx < 0y < 00 < x * y
Axiom. (SNo_sqr_nonneg) We take the following as an axiom:
∀x, SNo x0 x * x
Axiom. (SNo_zero_or_sqr_pos) We take the following as an axiom:
∀x, SNo xx = 0 0 < x * x
Axiom. (SNo_foil) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x + y) * (z + w) = x * z + x * w + y * z + y * w
Axiom. (mul_SNo_minus_minus) We take the following as an axiom:
∀x y, SNo xSNo y(- x) * (- y) = x * y
Axiom. (mul_SNo_com_3_0_1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx * y * z = y * x * z
Axiom. (mul_SNo_com_3b_1_2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z(x * y) * z = (x * z) * y
Axiom. (mul_SNo_com_4_inner_mid) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x * y) * (z * w) = (x * z) * (y * w)
Axiom. (mul_SNo_rotate_3_1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx * y * z = z * x * y
Axiom. (mul_SNo_rotate_4_1) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo wx * y * z * w = w * x * y * z
Axiom. (SNo_foil_mm) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x + - y) * (z + - w) = x * z + - x * w + - y * z + y * w
Axiom. (mul_SNo_nonzero_cancel) We take the following as an axiom:
∀x y z, SNo xx 0SNo ySNo zx * y = x * zy = z
End of Section SurrealMul
Beginning of Section SurrealExp
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Definition. We define exp_SNo_nat to be λn m : setnat_primrec 1 (λ_ r ⇒ n * r) m of type setsetset.
Notation. We use ^ as an infix operator with priority 342 and which associates to the right corresponding to applying term exp_SNo_nat.
Axiom. (exp_SNo_nat_0) We take the following as an axiom:
∀x, SNo xx ^ 0 = 1
Axiom. (exp_SNo_nat_S) We take the following as an axiom:
∀x, SNo x∀n, nat_p nx ^ (ordsucc n) = x * x ^ n
Axiom. (exp_SNo_nat_1) We take the following as an axiom:
∀x, SNo xx ^ 1 = x
Axiom. (exp_SNo_nat_2) We take the following as an axiom:
∀x, SNo xx ^ 2 = x * x
Axiom. (SNo_sqr_nonneg') We take the following as an axiom:
∀x, SNo x0 x ^ 2
Axiom. (SNo_zero_or_sqr_pos') We take the following as an axiom:
∀x, SNo xx = 0 0 < x ^ 2
Axiom. (SNo_exp_SNo_nat) We take the following as an axiom:
∀x, SNo x∀n, nat_p nSNo (x ^ n)
Axiom. (nat_exp_SNo_nat) We take the following as an axiom:
∀x, nat_p x∀n, nat_p nnat_p (x ^ n)
Axiom. (eps_ordsucc_half_add) We take the following as an axiom:
∀n, nat_p neps_ (ordsucc n) + eps_ (ordsucc n) = eps_ n
Axiom. (eps_1_half_eq1) We take the following as an axiom:
Axiom. (eps_1_half_eq2) We take the following as an axiom:
Axiom. (double_eps_1) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx + x = y + zx = eps_ 1 * (y + z)
Axiom. (exp_SNo_1_bd) We take the following as an axiom:
∀x, SNo x1 x∀n, nat_p n1 x ^ n
Axiom. (exp_SNo_2_bd) We take the following as an axiom:
∀n, nat_p nn < 2 ^ n
Axiom. (mul_SNo_eps_power_2) We take the following as an axiom:
∀n, nat_p neps_ n * 2 ^ n = 1
Axiom. (eps_bd_1) We take the following as an axiom:
Axiom. (mul_SNo_eps_power_2') We take the following as an axiom:
∀n, nat_p n2 ^ n * eps_ n = 1
Axiom. (exp_SNo_nat_mul_add) We take the following as an axiom:
∀x, SNo x∀m, nat_p m∀n, nat_p nx ^ m * x ^ n = x ^ (m + n)
Axiom. (exp_SNo_nat_mul_add') We take the following as an axiom:
∀x, SNo xm nω, x ^ m * x ^ n = x ^ (m + n)
Axiom. (exp_SNo_nat_pos) We take the following as an axiom:
∀x, SNo x0 < x∀n, nat_p n0 < x ^ n
Axiom. (mul_SNo_eps_eps_add_SNo) We take the following as an axiom:
m nω, eps_ m * eps_ n = eps_ (m + n)
Axiom. (SNoS_omega_Lev_equip) We take the following as an axiom:
∀n, nat_p nequip {xSNoS_ ω|SNoLev x = n} (2 ^ n)
Axiom. (SNoS_finite) We take the following as an axiom:
Axiom. (SNoS_omega_SNoL_finite) We take the following as an axiom:
Axiom. (SNoS_omega_SNoR_finite) We take the following as an axiom:
End of Section SurrealExp
Beginning of Section Int
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Primitive. The name int is a term of type set.
Axiom. (int_SNo_cases) We take the following as an axiom:
∀p : setprop, (nω, p n)(nω, p (- n))xint, p x
Axiom. (int_SNo) We take the following as an axiom:
Axiom. (Subq_omega_int) We take the following as an axiom:
Axiom. (int_minus_SNo_omega) We take the following as an axiom:
Axiom. (int_add_SNo_lem) We take the following as an axiom:
nω, ∀m, nat_p m- n + m int
Axiom. (int_add_SNo) We take the following as an axiom:
Axiom. (int_minus_SNo) We take the following as an axiom:
Axiom. (int_mul_SNo) We take the following as an axiom:
End of Section Int
Beginning of Section SurrealAbs
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Definition. We define abs_SNo to be λx ⇒ if 0 x then x else - x of type setset.
Axiom. (nonneg_abs_SNo) We take the following as an axiom:
∀x, 0 xabs_SNo x = x
Axiom. (not_nonneg_abs_SNo) We take the following as an axiom:
∀x, ¬ (0 x)abs_SNo x = - x
Axiom. (abs_SNo_0) We take the following as an axiom:
Axiom. (pos_abs_SNo) We take the following as an axiom:
∀x, 0 < xabs_SNo x = x
Axiom. (neg_abs_SNo) We take the following as an axiom:
∀x, SNo xx < 0abs_SNo x = - x
Axiom. (SNo_abs_SNo) We take the following as an axiom:
∀x, SNo xSNo (abs_SNo x)
Axiom. (abs_SNo_Lev) We take the following as an axiom:
∀x, SNo xSNoLev (abs_SNo x) = SNoLev x
Axiom. (abs_SNo_minus) We take the following as an axiom:
∀x, SNo xabs_SNo (- x) = abs_SNo x
Axiom. (abs_SNo_dist_swap) We take the following as an axiom:
∀x y, SNo xSNo yabs_SNo (x + - y) = abs_SNo (y + - x)
Axiom. (SNo_triangle) We take the following as an axiom:
∀x y, SNo xSNo yabs_SNo (x + y) abs_SNo x + abs_SNo y
Axiom. (SNo_triangle2) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zabs_SNo (x + - z) abs_SNo (x + - y) + abs_SNo (y + - z)
End of Section SurrealAbs
Beginning of Section SNoMaxMin
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Notation. We use ^ as an infix operator with priority 342 and which associates to the right corresponding to applying term exp_SNo_nat.
Notation. We use < as an infix operator with priority 490 and no associativity corresponding to applying term SNoLt.
Notation. We use as an infix operator with priority 490 and no associativity corresponding to applying term SNoLe.
Definition. We define SNo_max_of to be λX x ⇒ x X SNo x yX, SNo yy x of type setsetprop.
Definition. We define SNo_min_of to be λX x ⇒ x X SNo x yX, SNo yx y of type setsetprop.
Axiom. (minus_SNo_max_min) We take the following as an axiom:
∀X y, (xX, SNo x)SNo_max_of X ySNo_min_of {- x|xX} (- y)
Axiom. (minus_SNo_max_min') We take the following as an axiom:
∀X y, (xX, SNo x)SNo_max_of {- x|xX} ySNo_min_of X (- y)
Axiom. (minus_SNo_min_max) We take the following as an axiom:
∀X y, (xX, SNo x)SNo_min_of X ySNo_max_of {- x|xX} (- y)
Axiom. (double_SNo_max_1) We take the following as an axiom:
∀x y, SNo xSNo_max_of (SNoL x) y∀z, SNo zx < zy + z < x + xwSNoR z, y + w = x + x
Axiom. (double_SNo_min_1) We take the following as an axiom:
∀x y, SNo xSNo_min_of (SNoR x) y∀z, SNo zz < xx + x < y + zwSNoL z, y + w = x + x
Axiom. (finite_max_exists) We take the following as an axiom:
∀X, (xX, SNo x)finite XX 0x, SNo_max_of X x
Axiom. (finite_min_exists) We take the following as an axiom:
∀X, (xX, SNo x)finite XX 0x, SNo_min_of X x
Axiom. (SNoS_omega_SNoL_max_exists) We take the following as an axiom:
Axiom. (SNoS_omega_SNoR_min_exists) We take the following as an axiom:
End of Section SNoMaxMin
Beginning of Section DiadicRationals
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Notation. We use < as an infix operator with priority 490 and no associativity corresponding to applying term SNoLt.
Notation. We use as an infix operator with priority 490 and no associativity corresponding to applying term SNoLe.
Notation. We use ^ as an infix operator with priority 342 and which associates to the right corresponding to applying term exp_SNo_nat.
Axiom. (nonneg_diadic_rational_p_SNoS_omega) We take the following as an axiom:
kω, ∀n, nat_p neps_ k * n SNoS_ ω
Definition. We define diadic_rational_p to be λx ⇒ kω, mint, x = eps_ k * m of type setprop.
Axiom. (diadic_rational_p_SNoS_omega) We take the following as an axiom:
Axiom. (int_diadic_rational_p) We take the following as an axiom:
Axiom. (omega_diadic_rational_p) We take the following as an axiom:
Axiom. (eps_diadic_rational_p) We take the following as an axiom:
Axiom. (minus_SNo_diadic_rational_p) We take the following as an axiom:
Axiom. (mul_SNo_diadic_rational_p) We take the following as an axiom:
Axiom. (add_SNo_diadic_rational_p) We take the following as an axiom:
Axiom. (SNoS_omega_diadic_rational_p_lem) We take the following as an axiom:
∀n, nat_p n∀x, SNo xSNoLev x = ndiadic_rational_p x
Axiom. (SNoS_omega_diadic_rational_p) We take the following as an axiom:
Axiom. (mul_SNo_SNoS_omega) We take the following as an axiom:
End of Section DiadicRationals
Beginning of Section SurrealDiv
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Notation. We use < as an infix operator with priority 490 and no associativity corresponding to applying term SNoLt.
Notation. We use as an infix operator with priority 490 and no associativity corresponding to applying term SNoLe.
Notation. We use ^ as an infix operator with priority 342 and which associates to the right corresponding to applying term exp_SNo_nat.
Definition. We define SNoL_pos to be λx ⇒ {wSNoL x|0 < w} of type setset.
Axiom. (SNo_recip_pos_pos) We take the following as an axiom:
∀x xi, SNo xSNo xi0 < xx * xi = 10 < xi
Axiom. (SNo_recip_lem1) We take the following as an axiom:
∀x x' x'i y y', SNo x0 < xx' SNoL_pos xSNo x'ix' * x'i = 1SNo yx * y < 1SNo y'1 + - x * y' = (1 + - x * y) * (x' + - x) * x'i1 < x * y'
Axiom. (SNo_recip_lem2) We take the following as an axiom:
∀x x' x'i y y', SNo x0 < xx' SNoL_pos xSNo x'ix' * x'i = 1SNo y1 < x * ySNo y'1 + - x * y' = (1 + - x * y) * (x' + - x) * x'ix * y' < 1
Axiom. (SNo_recip_lem3) We take the following as an axiom:
∀x x' x'i y y', SNo x0 < xx' SNoR xSNo x'ix' * x'i = 1SNo yx * y < 1SNo y'1 + - x * y' = (1 + - x * y) * (x' + - x) * x'ix * y' < 1
Axiom. (SNo_recip_lem4) We take the following as an axiom:
∀x x' x'i y y', SNo x0 < xx' SNoR xSNo x'ix' * x'i = 1SNo y1 < x * ySNo y'1 + - x * y' = (1 + - x * y) * (x' + - x) * x'i1 < x * y'
Definition. We define SNo_recipauxset to be λY x X g ⇒ yY{(1 + (x' + - x) * y) * g x'|x'X} of type setsetset(setset)set.
Axiom. (SNo_recipauxset_I) We take the following as an axiom:
∀Y x X, ∀g : setset, yY, x'X, (1 + (x' + - x) * y) * g x' SNo_recipauxset Y x X g
Axiom. (SNo_recipauxset_E) We take the following as an axiom:
∀Y x X, ∀g : setset, zSNo_recipauxset Y x X g, ∀p : prop, (yY, x'X, z = (1 + (x' + - x) * y) * g x'p)p
Axiom. (SNo_recipauxset_ext) We take the following as an axiom:
∀Y x X, ∀g h : setset, (x'X, g x' = h x')SNo_recipauxset Y x X g = SNo_recipauxset Y x X h
Definition. We define SNo_recipaux to be λx g ⇒ nat_primrec ({0},0) (λk p ⇒ (p 0 SNo_recipauxset (p 0) x (SNoR x) g SNo_recipauxset (p 1) x (SNoL_pos x) g,p 1 SNo_recipauxset (p 0) x (SNoL_pos x) g SNo_recipauxset (p 1) x (SNoR x) g)) of type set(setset)setset.
Axiom. (SNo_recipaux_0) We take the following as an axiom:
∀x, ∀g : setset, SNo_recipaux x g 0 = ({0},0)
Axiom. (SNo_recipaux_S) We take the following as an axiom:
∀x, ∀g : setset, ∀n, nat_p nSNo_recipaux x g (ordsucc n) = (SNo_recipaux x g n 0 SNo_recipauxset (SNo_recipaux x g n 0) x (SNoR x) g SNo_recipauxset (SNo_recipaux x g n 1) x (SNoL_pos x) g,SNo_recipaux x g n 1 SNo_recipauxset (SNo_recipaux x g n 0) x (SNoL_pos x) g SNo_recipauxset (SNo_recipaux x g n 1) x (SNoR x) g)
Axiom. (SNo_recipaux_lem1) We take the following as an axiom:
∀x, SNo x0 < x∀g : setset, (x'SNoS_ (SNoLev x), 0 < x'SNo (g x') x' * g x' = 1)∀k, nat_p k(ySNo_recipaux x g k 0, SNo y x * y < 1) (ySNo_recipaux x g k 1, SNo y 1 < x * y)
Axiom. (SNo_recipaux_lem2) We take the following as an axiom:
∀x, SNo x0 < x∀g : setset, (x'SNoS_ (SNoLev x), 0 < x'SNo (g x') x' * g x' = 1)SNoCutP (kωSNo_recipaux x g k 0) (kωSNo_recipaux x g k 1)
Axiom. (SNo_recipaux_ext) We take the following as an axiom:
∀x, SNo x∀g h : setset, (x'SNoS_ (SNoLev x), g x' = h x')∀k, nat_p kSNo_recipaux x g k = SNo_recipaux x h k
Beginning of Section recip_SNo_pos
Let G : set(setset)setλx g ⇒ SNoCut (kωSNo_recipaux x g k 0) (kωSNo_recipaux x g k 1)
Definition. We define recip_SNo_pos to be SNo_rec_i G of type setset.
Axiom. (recip_SNo_pos_eq) We take the following as an axiom:
∀x, SNo xrecip_SNo_pos x = G x recip_SNo_pos
Axiom. (recip_SNo_pos_prop1) We take the following as an axiom:
∀x, SNo x0 < xSNo (recip_SNo_pos x) x * recip_SNo_pos x = 1
Axiom. (SNo_recip_SNo_pos) We take the following as an axiom:
∀x, SNo x0 < xSNo (recip_SNo_pos x)
Axiom. (recip_SNo_pos_invR) We take the following as an axiom:
∀x, SNo x0 < xx * recip_SNo_pos x = 1
Axiom. (recip_SNo_pos_1) We take the following as an axiom:
Axiom. (recip_SNo_pos_is_pos) We take the following as an axiom:
∀x, SNo x0 < x0 < recip_SNo_pos x
Axiom. (recip_SNo_pos_invol) We take the following as an axiom:
∀x, SNo x0 < xrecip_SNo_pos (recip_SNo_pos x) = x
Axiom. (recip_SNo_pos_eps_) We take the following as an axiom:
∀n, nat_p nrecip_SNo_pos (eps_ n) = 2 ^ n
Axiom. (recip_SNo_pos_pow_2) We take the following as an axiom:
∀n, nat_p nrecip_SNo_pos (2 ^ n) = eps_ n
Axiom. (recip_SNo_pos_2) We take the following as an axiom:
End of Section recip_SNo_pos
Definition. We define recip_SNo to be λx ⇒ if 0 < x then recip_SNo_pos x else if x < 0 then - recip_SNo_pos (- x) else 0 of type setset.
Axiom. (recip_SNo_poscase) We take the following as an axiom:
∀x, 0 < xrecip_SNo x = recip_SNo_pos x
Axiom. (recip_SNo_negcase) We take the following as an axiom:
∀x, SNo xx < 0recip_SNo x = - recip_SNo_pos (- x)
Axiom. (recip_SNo_0) We take the following as an axiom:
Axiom. (recip_SNo_1) We take the following as an axiom:
Axiom. (SNo_recip_SNo) We take the following as an axiom:
∀x, SNo xSNo (recip_SNo x)
Axiom. (recip_SNo_invR) We take the following as an axiom:
∀x, SNo xx 0x * recip_SNo x = 1
Axiom. (recip_SNo_invL) We take the following as an axiom:
∀x, SNo xx 0recip_SNo x * x = 1
Axiom. (recip_SNo_eps_) We take the following as an axiom:
∀n, nat_p nrecip_SNo (eps_ n) = 2 ^ n
Axiom. (recip_SNo_pow_2) We take the following as an axiom:
∀n, nat_p nrecip_SNo (2 ^ n) = eps_ n
Axiom. (recip_SNo_2) We take the following as an axiom:
Axiom. (recip_SNo_invol) We take the following as an axiom:
∀x, SNo xrecip_SNo (recip_SNo x) = x
Axiom. (recip_SNo_of_pos_is_pos) We take the following as an axiom:
∀x, SNo x0 < x0 < recip_SNo x
Axiom. (recip_SNo_neg') We take the following as an axiom:
∀x, SNo xx < 0recip_SNo x < 0
Definition. We define div_SNo to be λx y ⇒ x * recip_SNo y of type setsetset.
Notation. We use :/: as an infix operator with priority 353 and no associativity corresponding to applying term div_SNo.
Axiom. (SNo_div_SNo) We take the following as an axiom:
∀x y, SNo xSNo ySNo (x :/: y)
Axiom. (div_SNo_0_num) We take the following as an axiom:
∀x, SNo x0 :/: x = 0
Axiom. (div_SNo_0_denum) We take the following as an axiom:
∀x, SNo xx :/: 0 = 0
Axiom. (mul_div_SNo_invL) We take the following as an axiom:
∀x y, SNo xSNo yy 0(x :/: y) * y = x
Axiom. (mul_div_SNo_invR) We take the following as an axiom:
∀x y, SNo xSNo yy 0y * (x :/: y) = x
Axiom. (mul_div_SNo_R) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z(x :/: y) * z = (x * z) :/: y
Axiom. (mul_div_SNo_L) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zz * (x :/: y) = (z * x) :/: y
Axiom. (div_mul_SNo_invL) We take the following as an axiom:
∀x y, SNo xSNo yy 0(x * y) :/: y = x
Axiom. (div_div_SNo) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z(x :/: y) :/: z = x :/: (y * z)
Axiom. (mul_div_SNo_both) We take the following as an axiom:
∀x y z w, SNo xSNo ySNo zSNo w(x :/: y) * (z :/: w) = (x * z) :/: (y * w)
Axiom. (recip_SNo_pos_pos) We take the following as an axiom:
∀x, SNo x0 < x0 < recip_SNo_pos x
Axiom. (recip_SNo_of_neg_is_neg) We take the following as an axiom:
∀x, SNo xx < 0recip_SNo x < 0
Axiom. (div_SNo_pos_pos) We take the following as an axiom:
∀x y, SNo xSNo y0 < x0 < y0 < x :/: y
Axiom. (div_SNo_neg_neg) We take the following as an axiom:
∀x y, SNo xSNo yx < 0y < 00 < x :/: y
Axiom. (div_SNo_pos_neg) We take the following as an axiom:
∀x y, SNo xSNo y0 < xy < 0x :/: y < 0
Axiom. (div_SNo_neg_pos) We take the following as an axiom:
∀x y, SNo xSNo yx < 00 < yx :/: y < 0
Axiom. (div_SNo_pos_LtL) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z0 < yx < z * yx :/: y < z
Axiom. (div_SNo_pos_LtR) We take the following as an axiom:
∀x y z, SNo xSNo ySNo z0 < yz * y < xz < x :/: y
Axiom. (div_SNo_pos_LtL') We take the following as an axiom:
∀x y z, SNo xSNo ySNo z0 < yx :/: y < zx < z * y
Axiom. (div_SNo_pos_LtR') We take the following as an axiom:
∀x y z, SNo xSNo ySNo z0 < yz < x :/: yz * y < x
Axiom. (mul_div_SNo_nonzero_eq) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zy 0x = y * zx :/: y = z
End of Section SurrealDiv
Beginning of Section SurrealSqrt
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Notation. We use :/: as an infix operator with priority 353 and no associativity corresponding to applying term div_SNo.
Notation. We use < as an infix operator with priority 490 and no associativity corresponding to applying term SNoLt.
Notation. We use as an infix operator with priority 490 and no associativity corresponding to applying term SNoLe.
Notation. We use ^ as an infix operator with priority 342 and which associates to the right corresponding to applying term exp_SNo_nat.
Definition. We define SNoL_nonneg to be λx ⇒ {wSNoL x|0 w} of type setset.
Axiom. (SNoL_nonneg_0) We take the following as an axiom:
Axiom. (SNoL_nonneg_1) We take the following as an axiom:
Definition. We define SNo_sqrtauxset to be λY Z x ⇒ yY{(x + y * z) :/: (y + z)|zZ, 0 < y + z} of type setsetsetset.
Axiom. (SNo_sqrtauxset_I) We take the following as an axiom:
∀Y Z x, yY, zZ, 0 < y + z(x + y * z) :/: (y + z) SNo_sqrtauxset Y Z x
Axiom. (SNo_sqrtauxset_E) We take the following as an axiom:
∀Y Z x, uSNo_sqrtauxset Y Z x, ∀p : prop, (yY, zZ, 0 < y + zu = (x + y * z) :/: (y + z)p)p
Axiom. (SNo_sqrtauxset_0) We take the following as an axiom:
∀Z x, SNo_sqrtauxset 0 Z x = 0
Axiom. (SNo_sqrtauxset_0') We take the following as an axiom:
∀Y x, SNo_sqrtauxset Y 0 x = 0
Definition. We define SNo_sqrtaux to be λx g ⇒ nat_primrec ({g w|wSNoL_nonneg x},{g z|zSNoR x}) (λk p ⇒ (p 0 SNo_sqrtauxset (p 0) (p 1) x,p 1 SNo_sqrtauxset (p 0) (p 0) x SNo_sqrtauxset (p 1) (p 1) x)) of type set(setset)setset.
Axiom. (SNo_sqrtaux_0) We take the following as an axiom:
∀x, ∀g : setset, SNo_sqrtaux x g 0 = ({g w|wSNoL_nonneg x},{g z|zSNoR x})
Axiom. (SNo_sqrtaux_S) We take the following as an axiom:
∀x, ∀g : setset, ∀n, nat_p nSNo_sqrtaux x g (ordsucc n) = (SNo_sqrtaux x g n 0 SNo_sqrtauxset (SNo_sqrtaux x g n 0) (SNo_sqrtaux x g n 1) x,SNo_sqrtaux x g n 1 SNo_sqrtauxset (SNo_sqrtaux x g n 0) (SNo_sqrtaux x g n 0) x SNo_sqrtauxset (SNo_sqrtaux x g n 1) (SNo_sqrtaux x g n 1) x)
Axiom. (SNo_sqrtaux_mon_lem) We take the following as an axiom:
∀x, ∀g : setset, ∀m, nat_p m∀n, nat_p nSNo_sqrtaux x g m 0 SNo_sqrtaux x g (add_nat m n) 0 SNo_sqrtaux x g m 1 SNo_sqrtaux x g (add_nat m n) 1
Axiom. (SNo_sqrtaux_mon) We take the following as an axiom:
∀x, ∀g : setset, ∀m, nat_p m∀n, nat_p nm nSNo_sqrtaux x g m 0 SNo_sqrtaux x g n 0 SNo_sqrtaux x g m 1 SNo_sqrtaux x g n 1
Axiom. (SNo_sqrtaux_ext) We take the following as an axiom:
∀x, SNo x∀g h : setset, (x'SNoS_ (SNoLev x), g x' = h x')∀k, nat_p kSNo_sqrtaux x g k = SNo_sqrtaux x h k
Beginning of Section sqrt_SNo_nonneg
Let G : set(setset)setλx g ⇒ SNoCut (kωSNo_sqrtaux x g k 0) (kωSNo_sqrtaux x g k 1)
Axiom. (sqrt_SNo_nonneg_eq) We take the following as an axiom:
Axiom. (sqrt_SNo_nonneg_prop1a) We take the following as an axiom:
Axiom. (sqrt_SNo_nonneg_prop1c) We take the following as an axiom:
∀x, SNo x0 xSNoCutP (kωSNo_sqrtaux x sqrt_SNo_nonneg k 0) (kωSNo_sqrtaux x sqrt_SNo_nonneg k 1)(z(kωSNo_sqrtaux x sqrt_SNo_nonneg k 1), ∀p : prop, (SNo z0 zx < z * zp)p)0 G x sqrt_SNo_nonneg
Axiom. (sqrt_SNo_nonneg_prop1) We take the following as an axiom:
End of Section sqrt_SNo_nonneg
Axiom. (SNo_sqrtaux_0_1_prop) We take the following as an axiom:
∀x, SNo x0 x∀k, nat_p k(ySNo_sqrtaux x sqrt_SNo_nonneg k 0, SNo y 0 y y * y < x) (ySNo_sqrtaux x sqrt_SNo_nonneg k 1, SNo y 0 y x < y * y)
Axiom. (SNo_sqrtaux_0_prop) We take the following as an axiom:
∀x, SNo x0 x∀k, nat_p kySNo_sqrtaux x sqrt_SNo_nonneg k 0, SNo y 0 y y * y < x
Axiom. (SNo_sqrtaux_1_prop) We take the following as an axiom:
∀x, SNo x0 x∀k, nat_p kySNo_sqrtaux x sqrt_SNo_nonneg k 1, SNo y 0 y x < y * y
Axiom. (SNo_sqrt_SNo_SNoCutP) We take the following as an axiom:
Axiom. (SNo_sqrt_SNo_nonneg) We take the following as an axiom:
∀x, SNo x0 xSNo (sqrt_SNo_nonneg x)
Axiom. (sqrt_SNo_nonneg_nonneg) We take the following as an axiom:
∀x, SNo x0 x0 sqrt_SNo_nonneg x
Axiom. (sqrt_SNo_nonneg_sqr) We take the following as an axiom:
∀x, SNo x0 xsqrt_SNo_nonneg x * sqrt_SNo_nonneg x = x
Axiom. (sqrt_SNo_nonneg_0) We take the following as an axiom:
Axiom. (sqrt_SNo_nonneg_1) We take the following as an axiom:
End of Section SurrealSqrt
Beginning of Section Reals
Notation. We use - as a prefix operator with priority 358 corresponding to applying term minus_SNo.
Notation. We use + as an infix operator with priority 360 and which associates to the right corresponding to applying term add_SNo.
Notation. We use * as an infix operator with priority 355 and which associates to the right corresponding to applying term mul_SNo.
Notation. We use :/: as an infix operator with priority 353 and no associativity corresponding to applying term div_SNo.
Notation. We use < as an infix operator with priority 490 and no associativity corresponding to applying term SNoLt.
Notation. We use as an infix operator with priority 490 and no associativity corresponding to applying term SNoLe.
Notation. We use ^ as an infix operator with priority 342 and which associates to the right corresponding to applying term exp_SNo_nat.
Axiom. (SNoS_omega_drat_intvl) We take the following as an axiom:
Axiom. (SNoS_ordsucc_omega_bdd_above) We take the following as an axiom:
Axiom. (SNoS_ordsucc_omega_bdd_below) We take the following as an axiom:
Axiom. (SNoS_ordsucc_omega_bdd_drat_intvl) We take the following as an axiom:
Primitive. The name real is a term of type set.
Axiom. (real_I) We take the following as an axiom:
xSNoS_ (ordsucc ω), x ωx - ω(qSNoS_ ω, (kω, abs_SNo (q + - x) < eps_ k)q = x)x real
Axiom. (real_E) We take the following as an axiom:
xreal, ∀p : prop, (SNo xSNoLev x ordsucc ωx SNoS_ (ordsucc ω)- ω < xx < ω(qSNoS_ ω, (kω, abs_SNo (q + - x) < eps_ k)q = x)(kω, qSNoS_ ω, q < x x < q + eps_ k)p)p
Axiom. (real_SNo) We take the following as an axiom:
Axiom. (real_SNoS_omega_prop) We take the following as an axiom:
Axiom. (SNoS_omega_real) We take the following as an axiom:
Axiom. (real_0) We take the following as an axiom:
Axiom. (real_1) We take the following as an axiom:
Axiom. (SNoLev_In_real_SNoS_omega) We take the following as an axiom:
xreal, ∀w, SNo wSNoLev w SNoLev xw SNoS_ ω
Axiom. (real_SNoCut_SNoS_omega) We take the following as an axiom:
L RSNoS_ ω, SNoCutP L RL 0R 0(wL, w'L, w < w')(zR, z'R, z' < z)SNoCut L R real
Axiom. (real_SNoCut) We take the following as an axiom:
L Rreal, SNoCutP L RL 0R 0(wL, w'L, w < w')(zR, z'R, z' < z)SNoCut L R real
Axiom. (minus_SNo_prereal_1) We take the following as an axiom:
∀x, SNo x(qSNoS_ ω, (kω, abs_SNo (q + - x) < eps_ k)q = x)(qSNoS_ ω, (kω, abs_SNo (q + - - x) < eps_ k)q = - x)
Axiom. (minus_SNo_prereal_2) We take the following as an axiom:
∀x, SNo x(kω, qSNoS_ ω, q < x x < q + eps_ k)(kω, qSNoS_ ω, q < - x - x < q + eps_ k)
Axiom. (SNo_prereal_incr_lower_pos) We take the following as an axiom:
∀x, SNo x0 < x(qSNoS_ ω, (kω, abs_SNo (q + - x) < eps_ k)q = x)(kω, qSNoS_ ω, q < x x < q + eps_ k)kω, ∀p : prop, (qSNoS_ ω, 0 < qq < xx < q + eps_ kp)p
Axiom. (real_minus_SNo) We take the following as an axiom:
Axiom. (SNo_prereal_incr_lower_approx) We take the following as an axiom:
∀x, SNo x(qSNoS_ ω, (kω, abs_SNo (q + - x) < eps_ k)q = x)(kω, qSNoS_ ω, q < x x < q + eps_ k)fSNoS_ ωω, nω, f n < x x < f n + eps_ n in, f i < f n
Axiom. (SNo_prereal_decr_upper_approx) We take the following as an axiom:
∀x, SNo x(qSNoS_ ω, (kω, abs_SNo (q + - x) < eps_ k)q = x)(kω, qSNoS_ ω, q < x x < q + eps_ k)gSNoS_ ωω, nω, g n + - eps_ n < x x < g n in, g n < g i
Axiom. (SNoCutP_SNoCut_lim) We take the following as an axiom:
∀lambda, ordinal lambda(alphalambda, ordsucc alpha lambda)L RSNoS_ lambda, SNoCutP L RSNoLev (SNoCut L R) ordsucc lambda
Axiom. (SNoCutP_SNoCut_omega) We take the following as an axiom:
Axiom. (SNo_approx_real_lem) We take the following as an axiom:
Axiom. (SNo_approx_real) We take the following as an axiom:
∀x, SNo xf gSNoS_ ωω, (nω, f n < x)(nω, x < f n + eps_ n)(nω, in, f i < f n)(nω, x < g n)(nω, in, g n < g i)x = SNoCut {f n|nω} {g n|nω}x real
Axiom. (SNo_approx_real_rep) We take the following as an axiom:
xreal, ∀p : prop, (f gSNoS_ ωω, (nω, f n < x)(nω, x < f n + eps_ n)(nω, in, f i < f n)(nω, g n + - eps_ n < x)(nω, x < g n)(nω, in, g n < g i)SNoCutP {f n|nω} {g n|nω}x = SNoCut {f n|nω} {g n|nω}p)p
Axiom. (real_add_SNo) We take the following as an axiom:
Axiom. (SNoS_ordsucc_omega_bdd_eps_pos) We take the following as an axiom:
Axiom. (real_mul_SNo_pos) We take the following as an axiom:
x yreal, 0 < x0 < yx * y real
Axiom. (real_mul_SNo) We take the following as an axiom:
Axiom. (abs_SNo_intvl_bd) We take the following as an axiom:
∀x y z, SNo xSNo ySNo zx yy < x + zabs_SNo (y + - x) < z
Axiom. (nonneg_real_nat_interval) We take the following as an axiom:
Axiom. (pos_real_left_approx_double) We take the following as an axiom:
Axiom. (real_recip_SNo_lem1) We take the following as an axiom:
Axiom. (real_recip_SNo_pos) We take the following as an axiom:
Axiom. (real_recip_SNo) We take the following as an axiom:
Axiom. (real_div_SNo) We take the following as an axiom:
Axiom. (sqrt_SNo_nonneg_0inL0) We take the following as an axiom:
∀x, SNo x0 x0 SNoLev x0 SNo_sqrtaux x sqrt_SNo_nonneg 0 0
Axiom. (sqrt_SNo_nonneg_Lnonempty) We take the following as an axiom:
∀x, SNo x0 x0 SNoLev x(kωSNo_sqrtaux x sqrt_SNo_nonneg k 0) 0
Axiom. (sqrt_SNo_nonneg_Rnonempty) We take the following as an axiom:
∀x, SNo x0 x1 SNoLev x(kωSNo_sqrtaux x sqrt_SNo_nonneg k 1) 0
Axiom. (SNo_sqrtauxset_real) We take the following as an axiom:
∀Y Z x, Y realZ realx realSNo_sqrtauxset Y Z x real
Axiom. (SNo_sqrtauxset_real_nonneg) We take the following as an axiom:
∀Y Z x, Y {wreal|0 w}Z {zreal|0 z}x real0 xSNo_sqrtauxset Y Z x {wreal|0 w}
Axiom. (sqrt_SNo_nonneg_SNoS_omega) We take the following as an axiom:
Axiom. (sqrt_SNo_nonneg_real) We take the following as an axiom:
Axiom. (real_Archimedean) We take the following as an axiom:
x yreal, 0 < x0 ynω, y n * x
Axiom. (real_complete1) We take the following as an axiom:
Axiom. (real_complete2) We take the following as an axiom:
a brealω, (nω, a n b n a n a (n + 1) b (n + 1) b n)xreal, nω, a n x x b n
End of Section Reals
Beginning of Section Alg
Variable extension_tag : set
Let ctag : setsetλalpha ⇒ SetAdjoin alpha extension_tag
Notation. We use '' as a postfix operator with priority 100 corresponding to applying term ctag.
Definition. We define pair_tag to be λx y ⇒ x {u ''|uy} of type setsetset.
Variable F : setprop
Hypothesis extension_tag_fresh : ∀x, F xux, extension_tag u
Theorem. (ctagged_notin_F) The following is provable:
∀x y, F x(y '') x
Proof:
Let x and y be given.
Assume Hx: F x.
Assume H1: y '' x.
Apply extension_tag_fresh x Hx (y '') H1 to the current goal.
We will prove extension_tag y ''.
We will prove extension_tag y {extension_tag}.
Apply binunionI2 to the current goal.
Apply SingI to the current goal.
Theorem. (ctagged_eqE_Subq) The following is provable:
∀x y, F xux, ∀v, u '' = v ''u v
Proof:
Let x and y be given.
Assume Hx.
Let u be given.
Assume Hu.
Let v be given.
Assume Huv.
Let w be given.
Assume Hw: w u.
We prove the intermediate claim L1: w v ''.
rewrite the current goal using Huv (from right to left).
We will prove w u {extension_tag}.
Apply binunionI1 to the current goal.
An exact proof term for the current goal is Hw.
Apply binunionE v {extension_tag} w L1 to the current goal.
Assume H1: w v.
An exact proof term for the current goal is H1.
Assume H1: w {extension_tag}.
We will prove False.
We prove the intermediate claim L2: w = extension_tag.
An exact proof term for the current goal is SingE extension_tag w H1.
Apply extension_tag_fresh x Hx u Hu to the current goal.
We will prove extension_tag u.
rewrite the current goal using L2 (from right to left).
An exact proof term for the current goal is Hw.
Theorem. (ctagged_eqE_eq) The following is provable:
∀x y, F xF yux, vy, u '' = v ''u = v
Proof:
Let x and y be given.
Assume Hx Hy.
Let u be given.
Assume Hu.
Let v be given.
Assume Hv Huv.
Apply set_ext to the current goal.
An exact proof term for the current goal is ctagged_eqE_Subq x y Hx u Hu v Huv.
Apply ctagged_eqE_Subq y x Hy v Hv u to the current goal.
Use symmetry.
An exact proof term for the current goal is Huv.
Theorem. (pair_tag_prop_1_Subq) The following is provable:
∀x1 y1 x2 y2, F x1pair_tag x1 y1 = pair_tag x2 y2x1 x2
Proof:
Let x1, y1, x2 and y2 be given.
Assume Hx1.
Assume H1: pair_tag x1 y1 = pair_tag x2 y2.
Let v be given.
Assume Hv: v x1.
We prove the intermediate claim L1: v pair_tag x2 y2.
rewrite the current goal using H1 (from right to left).
We will prove v x1 {u ''|uy1}.
Apply binunionI1 to the current goal.
An exact proof term for the current goal is Hv.
Apply binunionE x2 {u ''|uy2} v L1 to the current goal.
Assume H2: v x2.
An exact proof term for the current goal is H2.
Assume H2: v {u ''|uy2}.
We will prove False.
Apply ReplE_impred y2 (λu ⇒ u '') v H2 to the current goal.
Let u be given.
Assume Hu: u y2.
Assume Hvu: v = u ''.
Apply ctagged_notin_F x1 u Hx1 to the current goal.
We will prove u '' x1.
rewrite the current goal using Hvu (from right to left).
An exact proof term for the current goal is Hv.
Theorem. (pair_tag_prop_1) The following is provable:
∀x1 y1 x2 y2, F x1F x2pair_tag x1 y1 = pair_tag x2 y2x1 = x2
Proof:
Let x1, y1, x2 and y2 be given.
Assume Hx1 Hx2.
Assume H1: pair_tag x1 y1 = pair_tag x2 y2.
Apply set_ext to the current goal.
An exact proof term for the current goal is pair_tag_prop_1_Subq x1 y1 x2 y2 Hx1 H1.
Apply pair_tag_prop_1_Subq x2 y2 x1 y1 Hx2 to the current goal.
Use symmetry.
An exact proof term for the current goal is H1.
Theorem. (pair_tag_prop_2_Subq) The following is provable:
∀x1 y1 x2 y2, F y1F x2F y2pair_tag x1 y1 = pair_tag x2 y2y1 y2
Proof:
Let x1, y1, x2 and y2 be given.
Assume Hy1 Hx2 Hy2.
Assume H1: pair_tag x1 y1 = pair_tag x2 y2.
Let v be given.
Assume Hv: v y1.
We prove the intermediate claim L1: v '' pair_tag x2 y2.
rewrite the current goal using H1 (from right to left).
We will prove v '' x1 {u ''|uy1}.
Apply binunionI2 to the current goal.
We will prove v '' {u ''|uy1}.
An exact proof term for the current goal is ReplI y1 (λu ⇒ u '') v Hv.
Apply binunionE x2 {u ''|uy2} (v '') L1 to the current goal.
Assume H2: v '' x2.
We will prove False.
An exact proof term for the current goal is ctagged_notin_F x2 v Hx2 H2.
Assume H2: v '' {u ''|uy2}.
Apply ReplE_impred y2 (λu ⇒ u '') (v '') H2 to the current goal.
Let u be given.
Assume Hu: u y2.
Assume Hvu: v '' = u ''.
We prove the intermediate claim L2: v = u.
An exact proof term for the current goal is ctagged_eqE_eq y1 y2 Hy1 Hy2 v Hv u Hu Hvu.
We will prove v y2.
rewrite the current goal using L2 (from left to right).
An exact proof term for the current goal is Hu.
Theorem. (pair_tag_prop_2) The following is provable:
∀x1 y1 x2 y2, F x1F y1F x2F y2pair_tag x1 y1 = pair_tag x2 y2y1 = y2
Proof:
Let x1, y1, x2 and y2 be given.
Assume Hx1 Hy1 Hx2 Hy2.
Assume H1: pair_tag x1 y1 = pair_tag x2 y2.
Apply set_ext to the current goal.
An exact proof term for the current goal is pair_tag_prop_2_Subq x1 y1 x2 y2 Hy1 Hx2 Hy2 H1.
Apply pair_tag_prop_2_Subq x2 y2 x1 y1 Hy2 Hx1 Hy1 to the current goal.
Use symmetry.
An exact proof term for the current goal is H1.
Theorem. (pair_tag_0) The following is provable:
∀x, pair_tag x 0 = x
Proof:
Let x be given.
We will prove x {u ''|u0} = x.
rewrite the current goal using Repl_Empty (λu ⇒ u '') (from left to right).
We will prove x 0 = x.
An exact proof term for the current goal is binunion_idr x.
Definition. We define CD_carr to be λz ⇒ x, F x y, F y z = pair_tag x y of type setprop.
Theorem. (CD_carr_I) The following is provable:
∀x y, F xF yCD_carr (pair_tag x y)
Proof:
Let x and y be given.
Assume Hx Hy.
We will prove x', F x' y', F y' pair_tag x y = pair_tag x' y'.
We use x to witness the existential quantifier.
Apply andI to the current goal.
An exact proof term for the current goal is Hx.
We use y to witness the existential quantifier.
Apply andI to the current goal.
An exact proof term for the current goal is Hy.
Use reflexivity.
Theorem. (CD_carr_E) The following is provable:
∀z, CD_carr z∀p : setprop, (∀x y, F xF yz = pair_tag x yp (pair_tag x y))p z
Proof:
Let z be given.
Assume Hz.
Let p be given.
Assume Hp.
Apply Hz to the current goal.
Let x be given.
Assume H1.
Apply H1 to the current goal.
Assume Hx.
Assume H1.
Apply H1 to the current goal.
Let y be given.
Assume H1.
Apply H1 to the current goal.
Assume Hy Hzxy.
rewrite the current goal using Hzxy (from left to right).
An exact proof term for the current goal is Hp x y Hx Hy Hzxy.
Theorem. (CD_carr_0ext) The following is provable:
F 0∀x, F xCD_carr x
Proof:
Assume H0.
Let x be given.
Assume Hx.
We will prove x', F x' y, F y x = pair_tag x' y.
We use x to witness the existential quantifier.
Apply andI to the current goal.
An exact proof term for the current goal is Hx.
We use 0 to witness the existential quantifier.
Apply andI to the current goal.
An exact proof term for the current goal is H0.
Use symmetry.
An exact proof term for the current goal is pair_tag_0 x.
Definition. We define CD_proj0 to be λz ⇒ Eps_i (λx ⇒ F x y, F y z = pair_tag x y) of type setset.
Definition. We define CD_proj1 to be λz ⇒ Eps_i (λy ⇒ F y z = pair_tag (CD_proj0 z) y) of type setset.
Let proj0 ≝ CD_proj0
Let proj1 ≝ CD_proj1
Let pa : setsetsetpair_tag
Theorem. (CD_proj0_1) The following is provable:
∀z, CD_carr zF (proj0 z) y, F y z = pa (proj0 z) y
Proof:
Let z be given.
Assume Hz.
Apply Eps_i_ex (λx ⇒ F x y, F y z = pa x y) to the current goal.
We will prove x, F x y, F y z = pa x y.
An exact proof term for the current goal is Hz.
Theorem. (CD_proj0_2) The following is provable:
∀x y, F xF yproj0 (pa x y) = x
Proof:
Let x and y be given.
Assume Hx Hy.
Apply CD_proj0_1 (pa x y) (CD_carr_I x y Hx Hy) to the current goal.
Assume H1: F (proj0 (pa x y)).
Assume H2: y', F y' pa x y = pa (proj0 (pa x y)) y'.
Apply H2 to the current goal.
Let y' be given.
Assume H3.
Apply H3 to the current goal.
Assume Hy': F y'.
Assume H4: pa x y = pa (proj0 (pa x y)) y'.
Use symmetry.
An exact proof term for the current goal is pair_tag_prop_1 x y (proj0 (pa x y)) y' Hx H1 H4.
Theorem. (CD_proj1_1) The following is provable:
∀z, CD_carr zF (proj1 z) z = pa (proj0 z) (proj1 z)
Proof:
Let z be given.
Assume Hz.
Apply Eps_i_ex (λy ⇒ F y z = pa (proj0 z) y) to the current goal.
We will prove y, F y z = pa (proj0 z) y.
Apply CD_carr_E z Hz to the current goal.
Let x and y be given.
Assume Hx Hy.
Assume Hzxy: z = pa x y.
We use y to witness the existential quantifier.
Apply andI to the current goal.
An exact proof term for the current goal is Hy.
We will prove pa x y = pa (proj0 (pa x y)) y.
Apply CD_proj0_2 x y Hx Hy (λu v ⇒ pa x y = pa v y) to the current goal.
We will prove pa x y = pa x y.
Use reflexivity.
Theorem. (CD_proj1_2) The following is provable:
∀x y, F xF yproj1 (pa x y) = y
Proof:
Let x and y be given.
Assume Hx Hy.
Use symmetry.
Apply CD_proj1_1 (pa x y) (CD_carr_I x y Hx Hy) to the current goal.
Assume H1: F (proj1 (pa x y)).
Apply CD_proj0_2 x y Hx Hy (λu v ⇒ pa x y = pa v (proj1 (pa x y))y = proj1 (pa x y)) to the current goal.
Assume H2: pa x y = pa x (proj1 (pa x y)).
An exact proof term for the current goal is pair_tag_prop_2 x y x (proj1 (pa x y)) Hx Hy Hx H1 H2.
Theorem. (CD_proj0R) The following is provable:
∀z, CD_carr zF (proj0 z)
Proof:
Let z be given.
Assume Hz.
Apply CD_proj0_1 z Hz to the current goal.
An exact proof term for the current goal is (λH _ ⇒ H).
Theorem. (CD_proj1R) The following is provable:
∀z, CD_carr zF (proj1 z)
Proof:
Let z be given.
Assume Hz.
Apply CD_proj1_1 z Hz to the current goal.
An exact proof term for the current goal is (λH _ ⇒ H).
Theorem. (CD_proj0proj1_eta) The following is provable:
∀z, CD_carr zz = pa (proj0 z) (proj1 z)
Proof:
Let z be given.
Assume Hz.
Apply CD_proj1_1 z Hz to the current goal.
An exact proof term for the current goal is (λ_ H ⇒ H).
Theorem. (CD_proj0proj1_split) The following is provable:
∀z w, CD_carr zCD_carr wproj0 z = proj0 wproj1 z = proj1 wz = w
Proof:
Let z and w be given.
Assume Hz Hw.
Assume H1 H2.
Use transitivity with and (pa (proj0 z) (proj1 z)).
An exact proof term for the current goal is CD_proj0proj1_eta z Hz.
Use transitivity with and (pa (proj0 w) (proj1 w)).
rewrite the current goal using H1 (from left to right).
rewrite the current goal using H2 (from left to right).
Use reflexivity.
Use symmetry.
An exact proof term for the current goal is CD_proj0proj1_eta w Hw.
Theorem. (CD_proj0_F) The following is provable:
F 0∀x, F xCD_proj0 x = x
Proof:
Assume H0.
Let x be given.
Assume Hx.
rewrite the current goal using pair_tag_0 x (from right to left) at position 1.
We will prove CD_proj0 (pair_tag x 0) = x.
An exact proof term for the current goal is CD_proj0_2 x 0 Hx H0.
Theorem. (CD_proj1_F) The following is provable:
F 0∀x, F xCD_proj1 x = 0
Proof:
Assume H0.
Let x be given.
Assume Hx.
rewrite the current goal using pair_tag_0 x (from right to left) at position 1.
We will prove CD_proj1 (pair_tag x 0) = 0.
An exact proof term for the current goal is CD_proj1_2 x 0 Hx H0.
Beginning of Section CD_minus_conj
Variable minus : setset
Definition. We define CD_minus to be λz ⇒ pa (- proj0 z) (- proj1 z) of type setset.
Variable conj : setset
Definition. We define CD_conj to be λz ⇒ pa (conj (proj0 z)) (- proj1 z) of type setset.
End of Section CD_minus_conj
Beginning of Section CD_add
Variable add : setsetset
Definition. We define CD_add to be λz w ⇒ pa (proj0 z + proj0 w) (proj1 z + proj1 w) of type setsetset.
End of Section CD_add
Beginning of Section CD_mul
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Definition. We define CD_mul to be λz w ⇒ pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) of type setsetset.
Definition. We define CD_exp_nat to be λz m ⇒ nat_primrec 1 (λ_ r ⇒ z r) m of type setsetset.
End of Section CD_mul
Beginning of Section CD_minus_conj_clos
Variable minus : setset
Hypothesis F_minus : ∀x, F xF (- x)
Theorem. (CD_minus_CD) The following is provable:
∀z, CD_carr zCD_carr (:-: z)
Proof:
Let z be given.
Assume Hz.
We will prove CD_carr (pa (- proj0 z) (- proj1 z)).
Apply CD_carr_I to the current goal.
Apply F_minus to the current goal.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hz.
Apply F_minus to the current goal.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hz.
Theorem. (CD_minus_proj0) The following is provable:
∀z, CD_carr zproj0 (:-: z) = - proj0 z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove proj0 (pa (- proj0 z) (- proj1 z)) = - proj0 z.
An exact proof term for the current goal is CD_proj0_2 (- proj0 z) (- proj1 z) ?? ??.
Theorem. (CD_minus_proj1) The following is provable:
∀z, CD_carr zproj1 (:-: z) = - proj1 z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove proj1 (pa (- proj0 z) (- proj1 z)) = - proj1 z.
An exact proof term for the current goal is CD_proj1_2 (- proj0 z) (- proj1 z) ?? ??.
Variable conj : setset
Hypothesis F_conj : ∀x, F xF (conj x)
Theorem. (CD_conj_CD) The following is provable:
∀z, CD_carr zCD_carr (z ')
Proof:
Let z be given.
Assume Hz.
We will prove CD_carr (pa (conj (proj0 z)) (- proj1 z)).
Apply CD_carr_I to the current goal.
Apply F_conj to the current goal.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hz.
Apply F_minus to the current goal.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hz.
Theorem. (CD_conj_proj0) The following is provable:
∀z, CD_carr zproj0 (z ') = conj (proj0 z)
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove proj0 (pa (conj (proj0 z)) (- proj1 z)) = conj (proj0 z).
An exact proof term for the current goal is CD_proj0_2 (conj (proj0 z)) (- proj1 z) ?? ??.
Theorem. (CD_conj_proj1) The following is provable:
∀z, CD_carr zproj1 (z ') = - proj1 z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove proj1 (pa (conj (proj0 z)) (- proj1 z)) = - proj1 z.
An exact proof term for the current goal is CD_proj1_2 (conj (proj0 z)) (- proj1 z) ?? ??.
End of Section CD_minus_conj_clos
Beginning of Section CD_add_clos
Variable add : setsetset
Hypothesis F_add : ∀x y, F xF yF (x + y)
Theorem. (CD_add_CD) The following is provable:
∀z w, CD_carr zCD_carr wCD_carr (z + w)
Proof:
Let z and w be given.
Assume Hz Hw.
We will prove CD_carr (pa (proj0 z + proj0 w) (proj1 z + proj1 w)).
Apply CD_carr_I to the current goal.
Apply F_add to the current goal.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hz.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hw.
Apply F_add to the current goal.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hz.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hw.
Theorem. (CD_add_proj0) The following is provable:
∀z w, CD_carr zCD_carr wproj0 (z + w) = proj0 z + proj0 w
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lp0zw: F (proj0 z + proj0 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zw: F (proj1 z + proj1 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is CD_proj0_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ??.
Theorem. (CD_add_proj1) The following is provable:
∀z w, CD_carr zCD_carr wproj1 (z + w) = proj1 z + proj1 w
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lp0zw: F (proj0 z + proj0 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zw: F (proj1 z + proj1 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is CD_proj1_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ??.
End of Section CD_add_clos
Beginning of Section CD_mul_clos
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Theorem. (CD_mul_CD) The following is provable:
∀z w, CD_carr zCD_carr wCD_carr (z w)
Proof:
Let z and w be given.
Assume Hz Hw.
We will prove CD_carr (pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w))).
Apply CD_carr_I to the current goal.
Apply F_add to the current goal.
Apply F_mul to the current goal.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hz.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hw.
Apply F_minus to the current goal.
Apply F_mul to the current goal.
Apply F_conj to the current goal.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hw.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hz.
Apply F_add to the current goal.
Apply F_mul to the current goal.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hw.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hz.
Apply F_mul to the current goal.
Apply CD_proj1R to the current goal.
An exact proof term for the current goal is Hz.
Apply F_conj to the current goal.
Apply CD_proj0R to the current goal.
An exact proof term for the current goal is Hw.
Theorem. (CD_mul_proj0) The following is provable:
∀z w, CD_carr zCD_carr wproj0 (z w) = proj0 z * proj0 w + - conj (proj1 w) * proj1 z
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lcp0w: F (conj (proj0 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1w: F (conj (proj1 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0zp0w: F (proj0 z * proj0 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (conj (proj1 w) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (- conj (proj1 w) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwL: F (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wp0z: F (proj1 w * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0w: F (proj1 z * conj (proj0 w)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwR: F (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is CD_proj0_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ??.
Theorem. (CD_mul_proj1) The following is provable:
∀z w, CD_carr zCD_carr wproj1 (z w) = proj1 w * proj0 z + proj1 z * conj (proj0 w)
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lcp0w: F (conj (proj0 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1w: F (conj (proj1 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0zp0w: F (proj0 z * proj0 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (conj (proj1 w) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (- conj (proj1 w) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwL: F (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wp0z: F (proj1 w * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0w: F (proj1 z * conj (proj0 w)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwR: F (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is CD_proj1_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ??.
End of Section CD_mul_clos
Beginning of Section CD_minus_conj_F
Variable minus : setset
Hypothesis F_0 : F 0
Hypothesis F_minus_0 : - 0 = 0
Theorem. (CD_minus_F_eq) The following is provable:
∀x, F x:-: x = - x
Proof:
Let x be given.
Assume Hx.
We will prove pa (- proj0 x) (- proj1 x) = - x.
rewrite the current goal using CD_proj0_F F_0 x Hx (from left to right).
rewrite the current goal using CD_proj1_F F_0 x Hx (from left to right).
rewrite the current goal using F_minus_0 (from left to right).
We will prove pa (- x) 0 = - x.
An exact proof term for the current goal is pair_tag_0 (- x).
Variable conj : setset
Theorem. (CD_conj_F_eq) The following is provable:
∀x, F xx ' = conj x
Proof:
Let x be given.
Assume Hx.
We will prove pa (conj (proj0 x)) (- proj1 x) = conj x.
rewrite the current goal using CD_proj0_F F_0 x Hx (from left to right).
rewrite the current goal using CD_proj1_F F_0 x Hx (from left to right).
rewrite the current goal using F_minus_0 (from left to right).
We will prove pa (conj x) 0 = conj x.
An exact proof term for the current goal is pair_tag_0 (conj x).
End of Section CD_minus_conj_F
Beginning of Section CD_add_F
Variable add : setsetset
Hypothesis F_0 : F 0
Hypothesis F_add_0_0 : 0 + 0 = 0
Theorem. (CD_add_F_eq) The following is provable:
∀x y, F xF yx + y = x + y
Proof:
Let x and y be given.
Assume Hx Hy.
We will prove pa (proj0 x + proj0 y) (proj1 x + proj1 y) = x + y.
rewrite the current goal using CD_proj0_F F_0 x Hx (from left to right).
rewrite the current goal using CD_proj1_F F_0 x Hx (from left to right).
rewrite the current goal using CD_proj0_F F_0 y Hy (from left to right).
rewrite the current goal using CD_proj1_F F_0 y Hy (from left to right).
rewrite the current goal using F_add_0_0 (from left to right).
We will prove pa (x + y) 0 = x + y.
An exact proof term for the current goal is pair_tag_0 (x + y).
End of Section CD_add_F
Beginning of Section CD_mul_F
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_0 : F 0
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Hypothesis F_minus_0 : - 0 = 0
Hypothesis F_add_0R : ∀x, F xx + 0 = x
Hypothesis F_mul_0L : ∀x, F x0 * x = 0
Hypothesis F_mul_0R : ∀x, F xx * 0 = 0
Theorem. (CD_mul_F_eq) The following is provable:
∀x y, F xF yx y = x * y
Proof:
Let x and y be given.
Assume Hx Hy.
We will prove pa (proj0 x * proj0 y + - conj (proj1 y) * proj1 x) (proj1 y * proj0 x + proj1 x * conj (proj0 y)) = x * y.
rewrite the current goal using CD_proj0_F F_0 x Hx (from left to right).
rewrite the current goal using CD_proj1_F F_0 x Hx (from left to right).
rewrite the current goal using CD_proj0_F F_0 y Hy (from left to right).
rewrite the current goal using CD_proj1_F F_0 y Hy (from left to right).
We will prove pa (x * y + - conj 0 * 0) (0 * x + 0 * conj y) = x * y.
rewrite the current goal using F_mul_0R (conj 0) (F_conj 0 F_0) (from left to right).
rewrite the current goal using F_mul_0L x Hx (from left to right).
rewrite the current goal using F_mul_0L (conj y) (F_conj y Hy) (from left to right).
rewrite the current goal using F_minus_0 (from left to right).
rewrite the current goal using F_add_0R 0 F_0 (from left to right).
rewrite the current goal using F_add_0R (x * y) (F_mul x y Hx Hy) (from left to right).
We will prove pa (x * y) 0 = x * y.
An exact proof term for the current goal is pair_tag_0 (x * y).
End of Section CD_mul_F
Beginning of Section CD_minus_invol
Variable minus : setset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_minus_invol : ∀x, F x- - x = x
Theorem. (CD_minus_invol) The following is provable:
∀z, CD_carr z:-: :-: z = z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove pa (- proj0 (pa (- proj0 z) (- proj1 z))) (- proj1 (pa (- proj0 z) (- proj1 z))) = z.
rewrite the current goal using CD_proj0_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj1_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using F_minus_invol (proj0 z) Lp0z (from left to right).
rewrite the current goal using F_minus_invol (proj1 z) Lp1z (from left to right).
We will prove pa (proj0 z) (proj1 z) = z.
Use symmetry.
An exact proof term for the current goal is CD_proj0proj1_eta z Hz.
End of Section CD_minus_invol
Beginning of Section CD_conj_invol
Variable minus : setset
Variable conj : setset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_minus_invol : ∀x, F x- - x = x
Hypothesis F_conj_invol : ∀x, F xconj (conj x) = x
Theorem. (CD_conj_invol) The following is provable:
∀z, CD_carr zz ' ' = z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove pa (conj (proj0 (pa (conj (proj0 z)) (- proj1 z)))) (- proj1 (pa (conj (proj0 z)) (- proj1 z))) = z.
rewrite the current goal using CD_proj0_2 (conj (proj0 z)) (- proj1 z) Lcp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj1_2 (conj (proj0 z)) (- proj1 z) Lcp0z Lmp1z (from left to right).
rewrite the current goal using F_conj_invol (proj0 z) Lp0z (from left to right).
rewrite the current goal using F_minus_invol (proj1 z) Lp1z (from left to right).
We will prove pa (proj0 z) (proj1 z) = z.
Use symmetry.
An exact proof term for the current goal is CD_proj0proj1_eta z Hz.
End of Section CD_conj_invol
Beginning of Section CD_conj_minus
Variable minus : setset
Variable conj : setset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_conj_minus : ∀x, F xconj (- x) = - conj x
Theorem. (CD_conj_minus) The following is provable:
∀z, CD_carr z(:-: z) ' = :-: (z ')
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lcmp0z: F (conj (- proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lmp0z.
We will prove pa (conj (proj0 (pa (- (proj0 z)) (- (proj1 z))))) (- proj1 (pa (- (proj0 z)) (- (proj1 z)))) = pa (- proj0 (pa (conj (proj0 z)) (- proj1 z))) (- proj1 (pa (conj (proj0 z)) (- proj1 z))).
Use f_equal.
We will prove conj (proj0 (pa (- (proj0 z)) (- (proj1 z)))) = - proj0 (pa (conj (proj0 z)) (- proj1 z)).
rewrite the current goal using CD_proj0_2 (- proj0 z) (- proj1 z) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (conj (proj0 z)) (- proj1 z) ?? ?? (from left to right).
We will prove conj (- proj0 z) = - conj (proj0 z).
An exact proof term for the current goal is F_conj_minus (proj0 z) ??.
We will prove - proj1 (pa (- (proj0 z)) (- (proj1 z))) = - proj1 (pa (conj (proj0 z)) (- proj1 z)).
Use f_equal.
rewrite the current goal using CD_proj1_2 (conj (proj0 z)) (- (proj1 z)) ?? ?? (from left to right).
An exact proof term for the current goal is CD_proj1_2 (- (proj0 z)) (- (proj1 z)) ?? ??.
End of Section CD_conj_minus
Beginning of Section CD_minus_add
Variable minus : setset
Variable add : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_minus_add : ∀x y, F xF y- (x + y) = - x + - y
Theorem. (CD_minus_add) The following is provable:
∀z w, CD_carr zCD_carr w:-: (z + w) = :-: z + :-: w
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lmp0w: F (- proj0 w).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0w.
We prove the intermediate claim Lmp1w: F (- proj1 w).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1w.
We prove the intermediate claim Lp0zw: F (proj0 z + proj0 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zw: F (proj1 z + proj1 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove pa (- proj0 (pa (proj0 z + proj0 w) (proj1 z + proj1 w))) (- proj1 (pa (proj0 z + proj0 w) (proj1 z + proj1 w))) = pa (proj0 (pa (- proj0 z) (- proj1 z)) + proj0 (pa (- proj0 w) (- proj1 w))) (proj1 (pa (- proj0 z) (- proj1 z)) + proj1 (pa (- proj0 w) (- proj1 w))).
rewrite the current goal using CD_proj0_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj1_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj0_2 (- proj0 w) (- proj1 w) Lmp0w Lmp1w (from left to right).
rewrite the current goal using CD_proj1_2 (- proj0 w) (- proj1 w) Lmp0w Lmp1w (from left to right).
Use f_equal.
Apply F_minus_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Apply F_minus_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
End of Section CD_minus_add
Beginning of Section CD_conj_add
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_minus_add : ∀x y, F xF y- (x + y) = - x + - y
Hypothesis F_conj_add : ∀x y, F xF yconj (x + y) = conj x + conj y
Theorem. (CD_conj_add) The following is provable:
∀z w, CD_carr zCD_carr w(z + w) ' = z ' + w '
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lcp0w: F (conj (proj0 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0w.
We prove the intermediate claim Lmp1w: F (- proj1 w).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1w.
We prove the intermediate claim Lp0zw: F (proj0 z + proj0 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zw: F (proj1 z + proj1 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove pa (conj (proj0 (pa (proj0 z + proj0 w) (proj1 z + proj1 w)))) (- proj1 (pa (proj0 z + proj0 w) (proj1 z + proj1 w))) = pa (proj0 (pa (conj (proj0 z)) (- proj1 z)) + proj0 (pa (conj (proj0 w)) (- proj1 w))) (proj1 (pa (conj (proj0 z)) (- proj1 z)) + proj1 (pa (conj (proj0 w)) (- proj1 w))).
rewrite the current goal using CD_proj0_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (conj (proj0 z)) (- proj1 z) Lcp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj1_2 (conj (proj0 z)) (- proj1 z) Lcp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj0_2 (conj (proj0 w)) (- proj1 w) Lcp0w Lmp1w (from left to right).
rewrite the current goal using CD_proj1_2 (conj (proj0 w)) (- proj1 w) Lcp0w Lmp1w (from left to right).
Use f_equal.
Apply F_conj_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Apply F_minus_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
End of Section CD_conj_add
Beginning of Section CD_add_com
Variable add : setsetset
Hypothesis F_add_com : ∀x y, F xF yx + y = y + x
Theorem. (CD_add_com) The following is provable:
∀z w, CD_carr zCD_carr wz + w = w + z
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We will prove pa (proj0 z + proj0 w) (proj1 z + proj1 w) = pa (proj0 w + proj0 z) (proj1 w + proj1 z).
Use f_equal.
Apply F_add_com to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Apply F_add_com to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
End of Section CD_add_com
Beginning of Section CD_add_assoc
Variable add : setsetset
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_add_assoc : ∀x y z, F xF yF z(x + y) + z = x + (y + z)
Theorem. (CD_add_assoc) The following is provable:
∀z w u, CD_carr zCD_carr wCD_carr u(z + w) + u = z + (w + u)
Proof:
Let z, w and u be given.
Assume Hz Hw Hu.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lp0u: F (proj0 u).
An exact proof term for the current goal is CD_proj0R u Hu.
We prove the intermediate claim Lp1u: F (proj1 u).
An exact proof term for the current goal is CD_proj1R u Hu.
We prove the intermediate claim Lp0zw: F (proj0 z + proj0 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zw: F (proj1 z + proj1 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0wu: F (proj0 w + proj0 u).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wu: F (proj1 w + proj1 u).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Set zw to be the term pa (proj0 z + proj0 w) (proj1 z + proj1 w).
Set wu to be the term pa (proj0 w + proj0 u) (proj1 w + proj1 u).
We will prove pa (proj0 zw + proj0 u) (proj1 zw + proj1 u) = pa (proj0 z + proj0 wu) (proj1 z + proj1 wu).
rewrite the current goal using CD_proj0_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (proj0 w + proj0 u) (proj1 w + proj1 u) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 w + proj0 u) (proj1 w + proj1 u) ?? ?? (from left to right).
Use f_equal.
Apply F_add_assoc to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Apply F_add_assoc to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
End of Section CD_add_assoc
Beginning of Section CD_add_0R
Variable add : setsetset
Hypothesis F_0 : F 0
Hypothesis F_add_0R : ∀x, F xx + 0 = x
Theorem. (CD_add_0R) The following is provable:
∀z, CD_carr zz + 0 = z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We will prove pa (proj0 z + proj0 0) (proj1 z + proj1 0) = z.
rewrite the current goal using CD_proj0_F F_0 0 F_0 (from left to right).
rewrite the current goal using CD_proj1_F F_0 0 F_0 (from left to right).
rewrite the current goal using F_add_0R (proj0 z) ?? (from left to right).
rewrite the current goal using F_add_0R (proj1 z) ?? (from left to right).
We will prove pa (proj0 z) (proj1 z) = z.
Use symmetry.
An exact proof term for the current goal is CD_proj0proj1_eta z Hz.
End of Section CD_add_0R
Beginning of Section CD_add_0L
Variable add : setsetset
Hypothesis F_0 : F 0
Hypothesis F_add_0L : ∀x, F x0 + x = x
Theorem. (CD_add_0L) The following is provable:
∀z, CD_carr z0 + z = z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We will prove pa (proj0 0 + proj0 z) (proj1 0 + proj1 z) = z.
rewrite the current goal using CD_proj0_F F_0 0 F_0 (from left to right).
rewrite the current goal using CD_proj1_F F_0 0 F_0 (from left to right).
rewrite the current goal using F_add_0L (proj0 z) ?? (from left to right).
rewrite the current goal using F_add_0L (proj1 z) ?? (from left to right).
We will prove pa (proj0 z) (proj1 z) = z.
Use symmetry.
An exact proof term for the current goal is CD_proj0proj1_eta z Hz.
End of Section CD_add_0L
Beginning of Section CD_add_minus_linv
Variable minus : setset
Variable add : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_add_minus_linv : ∀x, F x- x + x = 0
Theorem. (CD_add_minus_linv) The following is provable:
∀z, CD_carr z:-: z + z = 0
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove :-: z + z = 0.
We will prove pa (proj0 (pa (- proj0 z) (- proj1 z)) + proj0 z) (proj1 (pa (- proj0 z) (- proj1 z)) + proj1 z) = 0.
rewrite the current goal using CD_proj0_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj1_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using F_add_minus_linv (proj0 z) Lp0z (from left to right).
rewrite the current goal using F_add_minus_linv (proj1 z) Lp1z (from left to right).
We will prove pa 0 0 = 0.
An exact proof term for the current goal is pair_tag_0 0.
End of Section CD_add_minus_linv
Beginning of Section CD_add_minus_rinv
Variable minus : setset
Variable add : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_add_minus_rinv : ∀x, F xx + - x = 0
Theorem. (CD_add_minus_rinv) The following is provable:
∀z, CD_carr zz + :-: z = 0
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove pa (proj0 z + proj0 (pa (- proj0 z) (- proj1 z))) (proj1 z + proj1 (pa (- proj0 z) (- proj1 z))) = 0.
rewrite the current goal using CD_proj0_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using CD_proj1_2 (- proj0 z) (- proj1 z) Lmp0z Lmp1z (from left to right).
rewrite the current goal using F_add_minus_rinv (proj0 z) Lp0z (from left to right).
rewrite the current goal using F_add_minus_rinv (proj1 z) Lp1z (from left to right).
We will prove pa 0 0 = 0.
An exact proof term for the current goal is pair_tag_0 0.
End of Section CD_add_minus_rinv
Beginning of Section CD_mul_0R
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_0 : F 0
Hypothesis F_minus_0 : - 0 = 0
Hypothesis F_conj_0 : conj 0 = 0
Hypothesis F_add_0_0 : 0 + 0 = 0
Hypothesis F_mul_0L : ∀x, F x0 * x = 0
Hypothesis F_mul_0R : ∀x, F xx * 0 = 0
Theorem. (CD_mul_0R) The following is provable:
∀z, CD_carr zz 0 = 0
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We will prove pa (proj0 z * proj0 0 + - conj (proj1 0) * proj1 z) (proj1 0 * proj0 z + proj1 z * conj (proj0 0)) = 0.
rewrite the current goal using CD_proj0_F F_0 0 F_0 (from left to right).
rewrite the current goal using CD_proj1_F F_0 0 F_0 (from left to right).
We will prove pa (proj0 z * 0 + - conj 0 * proj1 z) (0 * proj0 z + proj1 z * conj 0) = 0.
rewrite the current goal using F_conj_0 (from left to right).
We will prove pa (proj0 z * 0 + - 0 * proj1 z) (0 * proj0 z + proj1 z * 0) = 0.
rewrite the current goal using F_mul_0L (proj0 z) ?? (from left to right).
rewrite the current goal using F_mul_0L (proj1 z) ?? (from left to right).
rewrite the current goal using F_mul_0R (proj0 z) ?? (from left to right).
rewrite the current goal using F_mul_0R (proj1 z) ?? (from left to right).
rewrite the current goal using F_minus_0 (from left to right).
We will prove pa (0 + 0) (0 + 0) = 0.
rewrite the current goal using F_add_0_0 (from left to right).
We will prove pa 0 0 = 0.
An exact proof term for the current goal is pair_tag_0 0.
End of Section CD_mul_0R
Beginning of Section CD_mul_0L
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_0 : F 0
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_minus_0 : - 0 = 0
Hypothesis F_add_0_0 : 0 + 0 = 0
Hypothesis F_mul_0L : ∀x, F x0 * x = 0
Hypothesis F_mul_0R : ∀x, F xx * 0 = 0
Theorem. (CD_mul_0L) The following is provable:
∀z, CD_carr z0 z = 0
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lcp1z: F (conj (proj1 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove pa (proj0 0 * proj0 z + - conj (proj1 z) * proj1 0) (proj1 z * proj0 0 + proj1 0 * conj (proj0 z)) = 0.
rewrite the current goal using CD_proj0_F F_0 0 F_0 (from left to right).
rewrite the current goal using CD_proj1_F F_0 0 F_0 (from left to right).
We will prove pa (0 * proj0 z + - conj (proj1 z) * 0) (proj1 z * 0 + 0 * conj (proj0 z)) = 0.
rewrite the current goal using F_mul_0L (proj0 z) ?? (from left to right).
rewrite the current goal using F_mul_0L (conj (proj0 z)) ?? (from left to right).
rewrite the current goal using F_mul_0R (conj (proj1 z)) ?? (from left to right).
rewrite the current goal using F_mul_0R (proj1 z) ?? (from left to right).
rewrite the current goal using F_minus_0 (from left to right).
We will prove pa (0 + 0) (0 + 0) = 0.
rewrite the current goal using F_add_0_0 (from left to right).
We will prove pa 0 0 = 0.
An exact proof term for the current goal is pair_tag_0 0.
End of Section CD_mul_0L
Beginning of Section CD_mul_1R
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_0 : F 0
Hypothesis F_1 : F 1
Hypothesis F_minus_0 : - 0 = 0
Hypothesis F_conj_0 : conj 0 = 0
Hypothesis F_conj_1 : conj 1 = 1
Hypothesis F_add_0L : ∀x, F x0 + x = x
Hypothesis F_add_0R : ∀x, F xx + 0 = x
Hypothesis F_mul_0L : ∀x, F x0 * x = 0
Hypothesis F_mul_1R : ∀x, F xx * 1 = x
Theorem. (CD_mul_1R) The following is provable:
∀z, CD_carr zz 1 = z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We will prove pa (proj0 z * proj0 1 + - conj (proj1 1) * proj1 z) (proj1 1 * proj0 z + proj1 z * conj (proj0 1)) = z.
rewrite the current goal using CD_proj0_F F_0 1 F_1 (from left to right).
We will prove pa (proj0 z * 1 + - conj (proj1 1) * proj1 z) (proj1 1 * proj0 z + proj1 z * conj 1) = z.
rewrite the current goal using CD_proj1_F F_0 1 F_1 (from left to right).
We will prove pa (proj0 z * 1 + - conj 0 * proj1 z) (0 * proj0 z + proj1 z * conj 1) = z.
rewrite the current goal using F_conj_0 (from left to right).
rewrite the current goal using F_conj_1 (from left to right).
We will prove pa (proj0 z * 1 + - 0 * proj1 z) (0 * proj0 z + proj1 z * 1) = z.
rewrite the current goal using F_mul_1R (proj0 z) ?? (from left to right).
rewrite the current goal using F_mul_1R (proj1 z) ?? (from left to right).
rewrite the current goal using F_mul_0L (proj0 z) ?? (from left to right).
rewrite the current goal using F_mul_0L (proj1 z) ?? (from left to right).
We will prove pa (proj0 z + - 0) (0 + proj1 z) = z.
rewrite the current goal using F_minus_0 (from left to right).
We will prove pa (proj0 z + 0) (0 + proj1 z) = z.
rewrite the current goal using F_add_0L (proj1 z) ?? (from left to right).
rewrite the current goal using F_add_0R (proj0 z) ?? (from left to right).
We will prove pa (proj0 z) (proj1 z) = z.
Use symmetry.
An exact proof term for the current goal is CD_proj0proj1_eta z Hz.
End of Section CD_mul_1R
Beginning of Section CD_mul_1L
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_0 : F 0
Hypothesis F_1 : F 1
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_minus_0 : - 0 = 0
Hypothesis F_add_0R : ∀x, F xx + 0 = x
Hypothesis F_mul_0L : ∀x, F x0 * x = 0
Hypothesis F_mul_0R : ∀x, F xx * 0 = 0
Hypothesis F_mul_1L : ∀x, F x1 * x = x
Hypothesis F_mul_1R : ∀x, F xx * 1 = x
Theorem. (CD_mul_1L) The following is provable:
∀z, CD_carr z1 z = z
Proof:
Let z be given.
Assume Hz.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lcp1z: F (conj (proj1 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp1z.
We will prove pa (proj0 1 * proj0 z + - conj (proj1 z) * proj1 1) (proj1 z * proj0 1 + proj1 1 * conj (proj0 z)) = z.
rewrite the current goal using CD_proj0_F F_0 1 F_1 (from left to right).
rewrite the current goal using CD_proj1_F F_0 1 F_1 (from left to right).
We will prove pa (1 * proj0 z + - conj (proj1 z) * 0) (proj1 z * 1 + 0 * conj (proj0 z)) = z.
rewrite the current goal using F_mul_1L (proj0 z) ?? (from left to right).
rewrite the current goal using F_mul_1R (proj1 z) ?? (from left to right).
rewrite the current goal using F_mul_0L (conj (proj0 z)) ?? (from left to right).
rewrite the current goal using F_mul_0R (conj (proj1 z)) ?? (from left to right).
We will prove pa (proj0 z + - 0) (proj1 z + 0) = z.
rewrite the current goal using F_minus_0 (from left to right).
rewrite the current goal using F_add_0R (proj0 z) ?? (from left to right).
rewrite the current goal using F_add_0R (proj1 z) ?? (from left to right).
We will prove pa (proj0 z) (proj1 z) = z.
Use symmetry.
An exact proof term for the current goal is CD_proj0proj1_eta z Hz.
End of Section CD_mul_1L
Beginning of Section CD_conj_mul
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Hypothesis F_minus_invol : ∀x, F x- - x = x
Hypothesis F_conj_invol : ∀x, F xconj (conj x) = x
Hypothesis F_conj_minus : ∀x, F xconj (- x) = - conj x
Hypothesis F_conj_add : ∀x y, F xF yconj (x + y) = conj x + conj y
Hypothesis F_minus_add : ∀x y, F xF y- (x + y) = - x + - y
Hypothesis F_add_com : ∀x y, F xF yx + y = y + x
Hypothesis F_conj_mul : ∀x y, F xF yconj (x * y) = conj y * conj x
Hypothesis F_minus_mul_distrR : ∀x y, F xF yx * (- y) = - (x * y)
Hypothesis F_minus_mul_distrL : ∀x y, F xF y(- x) * y = - (x * y)
Theorem. (CD_conj_mul) The following is provable:
∀z w, CD_carr zCD_carr w(z w) ' = w ' z '
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lcp0z: F (conj (proj0 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0z.
We prove the intermediate claim Lcp1z: F (conj (proj1 z)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp1z.
We prove the intermediate claim Lmcp1z: F (- conj (proj1 z)).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lcp1z.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1z.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lcp0w: F (conj (proj0 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp0w.
We prove the intermediate claim Lcp1w: F (conj (proj1 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is Lp1w.
We prove the intermediate claim Lmp1w: F (- proj1 w).
Apply F_minus to the current goal.
An exact proof term for the current goal is Lp1w.
We prove the intermediate claim Lp0zp0w: F (proj0 z * proj0 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (conj (proj1 w) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (- conj (proj1 w) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwL: F (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wp0z: F (proj1 w * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0w: F (proj1 z * conj (proj0 w)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwR: F (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Set w' to be the term pa (conj (proj0 w)) (- proj1 w).
Set z' to be the term pa (conj (proj0 z)) (- proj1 z).
We prove the intermediate claim Lp0w': F (proj0 w').
An exact proof term for the current goal is CD_proj0R (CD_conj minus conj w) (CD_conj_CD minus F_minus conj F_conj w Hw).
We prove the intermediate claim Lp1w': F (proj1 w').
An exact proof term for the current goal is CD_proj1R (CD_conj minus conj w) (CD_conj_CD minus F_minus conj F_conj w Hw).
We prove the intermediate claim Lp0z': F (proj0 z').
An exact proof term for the current goal is CD_proj0R (CD_conj minus conj z) (CD_conj_CD minus F_minus conj F_conj z Hz).
We prove the intermediate claim Lp1z': F (proj1 z').
An exact proof term for the current goal is CD_proj1R (CD_conj minus conj z) (CD_conj_CD minus F_minus conj F_conj z Hz).
We prove the intermediate claim Lcp0z': F (conj (proj0 z')).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1z': F (conj (proj1 z')).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0w'p0z': F (proj0 w' * proj0 z').
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1z'p1w': F (conj (proj1 z') * proj1 w').
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1z'p1w': F (- conj (proj1 z') * proj1 w').
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lw'z'L: F (proj0 w' * proj0 z' + - conj (proj1 z') * proj1 w').
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1z'p0w': F (proj1 z' * proj0 w').
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1w'cp0z': F (proj1 w' * conj (proj0 z')).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lw'z'R: F (proj1 z' * proj0 w' + proj1 w' * conj (proj0 z')).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1zp1w: F (conj (proj1 z) * proj1 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lmp1zcp0w: F ((- proj1 z) * (conj (proj0 w))).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lmp1wp0z: F ((- proj1 w) * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove pa (conj (proj0 (pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w))))) (- (proj1 (pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w))))) = pa (proj0 w' * proj0 z' + - conj (proj1 z') * proj1 w') (proj1 z' * proj0 w' + proj1 w' * conj (proj0 z')).
rewrite the current goal using CD_proj0_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
We will prove pa (conj (proj0 z * proj0 w + - conj (proj1 w) * proj1 z)) (- (proj1 w * proj0 z + proj1 z * conj (proj0 w))) = pa (proj0 w' * proj0 z' + - conj (proj1 z') * proj1 w') (proj1 z' * proj0 w' + proj1 w' * conj (proj0 z')).
rewrite the current goal using CD_proj0_2 (conj (proj0 w)) (- proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (conj (proj0 w)) (- proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (conj (proj0 z)) (- proj1 z) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (conj (proj0 z)) (- proj1 z) ?? ?? (from left to right).
We will prove pa (conj (proj0 z * proj0 w + - conj (proj1 w) * proj1 z)) (- (proj1 w * proj0 z + proj1 z * conj (proj0 w))) = pa (conj (proj0 w) * conj (proj0 z) + - conj (- proj1 z) * (- proj1 w)) ((- proj1 z) * (conj (proj0 w)) + (- proj1 w) * conj (conj (proj0 z))).
Use f_equal.
We will prove conj (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) = conj (proj0 w) * conj (proj0 z) + - conj (- proj1 z) * (- proj1 w).
rewrite the current goal using F_conj_add (proj0 z * proj0 w) (- conj (proj1 w) * proj1 z) ?? ?? (from left to right).
We will prove conj (proj0 z * proj0 w) + conj (- conj (proj1 w) * proj1 z) = conj (proj0 w) * conj (proj0 z) + - conj (- proj1 z) * (- proj1 w).
Use f_equal.
We will prove conj (proj0 z * proj0 w) = conj (proj0 w) * conj (proj0 z).
An exact proof term for the current goal is F_conj_mul (proj0 z) (proj0 w) ?? ??.
We will prove conj (- conj (proj1 w) * proj1 z) = - conj (- proj1 z) * (- proj1 w).
rewrite the current goal using F_conj_minus (conj (proj1 w) * proj1 z) ?? (from left to right).
Use f_equal.
We will prove conj (conj (proj1 w) * proj1 z) = conj (- proj1 z) * (- proj1 w).
rewrite the current goal using F_conj_mul (conj (proj1 w)) (proj1 z) ?? ?? (from left to right).
We will prove conj (proj1 z) * (conj (conj (proj1 w))) = conj (- proj1 z) * (- proj1 w).
rewrite the current goal using F_conj_invol (proj1 w) ?? (from left to right).
We will prove conj (proj1 z) * proj1 w = conj (- proj1 z) * (- proj1 w).
rewrite the current goal using F_conj_minus (proj1 z) ?? (from left to right).
We will prove conj (proj1 z) * proj1 w = (- conj (proj1 z)) * (- proj1 w).
rewrite the current goal using F_minus_mul_distrR (- conj (proj1 z)) (proj1 w) ?? ?? (from left to right).
rewrite the current goal using F_minus_mul_distrL (conj (proj1 z)) (proj1 w) ?? ?? (from left to right).
Use symmetry.
Apply F_minus_invol (conj (proj1 z) * proj1 w) ?? to the current goal.
We will prove - (proj1 w * proj0 z + proj1 z * conj (proj0 w)) = (- proj1 z) * (conj (proj0 w)) + (- proj1 w) * conj (conj (proj0 z)).
rewrite the current goal using F_conj_invol (proj0 z) ?? (from left to right).
rewrite the current goal using F_minus_add (proj1 w * proj0 z) (proj1 z * conj (proj0 w)) ?? ?? (from left to right).
rewrite the current goal using F_add_com ((- proj1 z) * (conj (proj0 w))) ((- proj1 w) * proj0 z) ?? ?? (from left to right).
Use f_equal.
We will prove - proj1 w * proj0 z = (- proj1 w) * proj0 z.
Use symmetry.
An exact proof term for the current goal is F_minus_mul_distrL (proj1 w) (proj0 z) ?? ??.
We will prove - proj1 z * conj (proj0 w) = (- proj1 z) * (conj (proj0 w)).
Use symmetry.
An exact proof term for the current goal is F_minus_mul_distrL (proj1 z) (conj (proj0 w)) ?? ??.
End of Section CD_conj_mul
Beginning of Section CD_add_mul_distrR
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Hypothesis F_minus_add : ∀x y, F xF y- (x + y) = - x + - y
Hypothesis F_add_assoc : ∀x y z, F xF yF z(x + y) + z = x + (y + z)
Hypothesis F_add_com : ∀x y, F xF yx + y = y + x
Hypothesis F_add_mul_distrL : ∀x y z, F xF yF zx * (y + z) = x * y + x * z
Hypothesis F_add_mul_distrR : ∀x y z, F xF yF z(x + y) * z = x * z + y * z
Theorem. (CD_add_mul_distrR) The following is provable:
∀z w u, CD_carr zCD_carr wCD_carr u(z + w) u = z u + w u
Proof:
We prove the intermediate claim L_add_4_inner_mid: ∀x y z w, F xF yF zF w(x + y) + (z + w) = (x + z) + (y + w).
Let x, y, z and w be given.
Assume Hx Hy Hz Hw.
rewrite the current goal using F_add_assoc (x + y) z w (F_add x y Hx Hy) Hz Hw (from right to left).
We will prove ((x + y) + z) + w = (x + z) + (y + w).
rewrite the current goal using F_add_assoc x y z Hx Hy Hz (from left to right).
We will prove (x + (y + z)) + w = (x + z) + (y + w).
rewrite the current goal using F_add_com y z Hy Hz (from left to right).
We will prove (x + (z + y)) + w = (x + z) + (y + w).
rewrite the current goal using F_add_assoc x z y Hx Hz Hy (from right to left).
We will prove ((x + z) + y) + w = (x + z) + (y + w).
An exact proof term for the current goal is F_add_assoc (x + z) y w (F_add x z Hx Hz) Hy Hw.
Let z, w and u be given.
Assume Hz Hw Hu.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lp0u: F (proj0 u).
An exact proof term for the current goal is CD_proj0R u Hu.
We prove the intermediate claim Lp1u: F (proj1 u).
An exact proof term for the current goal is CD_proj1R u Hu.
We prove the intermediate claim Lp0zw: F (proj0 z + proj0 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zw: F (proj1 z + proj1 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp0u: F (conj (proj0 u)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1u: F (conj (proj1 u)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0zp0u: F (proj0 z * proj0 u).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1up1z: F (conj (proj1 u) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1up1z: F (- conj (proj1 u) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzuL: F (proj0 z * proj0 u + - conj (proj1 u) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1up0z: F (proj1 u * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0u: F (proj1 z * conj (proj0 u)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzuR: F (proj1 u * proj0 z + proj1 z * conj (proj0 u)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0wp0u: F (proj0 w * proj0 u).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1up1w: F (conj (proj1 u) * proj1 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1up1w: F (- conj (proj1 u) * proj1 w).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim LwuL: F (proj0 w * proj0 u + - conj (proj1 u) * proj1 w).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1up0w: F (proj1 u * proj0 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wcp0u: F (proj1 w * conj (proj0 u)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LwuR: F (proj1 u * proj0 w + proj1 w * conj (proj0 u)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Set zw to be the term pa (proj0 z + proj0 w) (proj1 z + proj1 w).
Set zu to be the term pa (proj0 z * proj0 u + - conj (proj1 u) * proj1 z) (proj1 u * proj0 z + proj1 z * conj (proj0 u)).
Set wu to be the term pa (proj0 w * proj0 u + - conj (proj1 u) * proj1 w) (proj1 u * proj0 w + proj1 w * conj (proj0 u)).
We will prove pa (proj0 zw * proj0 u + - conj (proj1 u) * proj1 zw) (proj1 u * proj0 zw + proj1 zw * conj (proj0 u)) = pa (proj0 zu + proj0 wu) (proj1 zu + proj1 wu).
rewrite the current goal using CD_proj0_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z + proj0 w) (proj1 z + proj1 w) ?? ?? (from left to right).
We will prove pa ((proj0 z + proj0 w) * proj0 u + - conj (proj1 u) * (proj1 z + proj1 w)) (proj1 u * (proj0 z + proj0 w) + (proj1 z + proj1 w) * conj (proj0 u)) = pa (proj0 zu + proj0 wu) (proj1 zu + proj1 wu).
rewrite the current goal using CD_proj0_2 (proj0 z * proj0 u + - conj (proj1 u) * proj1 z) (proj1 u * proj0 z + proj1 z * conj (proj0 u)) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z * proj0 u + - conj (proj1 u) * proj1 z) (proj1 u * proj0 z + proj1 z * conj (proj0 u)) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (proj0 w * proj0 u + - conj (proj1 u) * proj1 w) (proj1 u * proj0 w + proj1 w * conj (proj0 u)) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 w * proj0 u + - conj (proj1 u) * proj1 w) (proj1 u * proj0 w + proj1 w * conj (proj0 u)) ?? ?? (from left to right).
Use f_equal.
We will prove (proj0 z + proj0 w) * proj0 u + - conj (proj1 u) * (proj1 z + proj1 w) = (proj0 z * proj0 u + - conj (proj1 u) * proj1 z) + (proj0 w * proj0 u + - conj (proj1 u) * proj1 w).
rewrite the current goal using L_add_4_inner_mid (proj0 z * proj0 u) (- conj (proj1 u) * proj1 z) (proj0 w * proj0 u) (- conj (proj1 u) * proj1 w) ?? ?? ?? ?? (from left to right).
Use f_equal.
We will prove (proj0 z + proj0 w) * proj0 u = proj0 z * proj0 u + proj0 w * proj0 u.
Apply F_add_mul_distrR to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove - conj (proj1 u) * (proj1 z + proj1 w) = (- conj (proj1 u) * proj1 z) + (- conj (proj1 u) * proj1 w).
rewrite the current goal using F_minus_add (conj (proj1 u) * proj1 z) (conj (proj1 u) * proj1 w) ?? ?? (from right to left).
Use f_equal.
We will prove conj (proj1 u) * (proj1 z + proj1 w) = (conj (proj1 u) * proj1 z) + (conj (proj1 u) * proj1 w).
Apply F_add_mul_distrL to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove (proj1 u * (proj0 z + proj0 w) + (proj1 z + proj1 w) * conj (proj0 u)) = (proj1 u * proj0 z + proj1 z * conj (proj0 u)) + (proj1 u * proj0 w + proj1 w * conj (proj0 u)).
rewrite the current goal using L_add_4_inner_mid (proj1 u * proj0 z) (proj1 z * conj (proj0 u)) (proj1 u * proj0 w) (proj1 w * conj (proj0 u)) ?? ?? ?? ?? (from left to right).
Use f_equal.
Apply F_add_mul_distrL to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Apply F_add_mul_distrR to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
End of Section CD_add_mul_distrR
Beginning of Section CD_add_mul_distrL
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Hypothesis F_minus_add : ∀x y, F xF y- (x + y) = - x + - y
Hypothesis F_conj_add : ∀x y, F xF yconj (x + y) = conj x + conj y
Hypothesis F_add_assoc : ∀x y z, F xF yF z(x + y) + z = x + (y + z)
Hypothesis F_add_com : ∀x y, F xF yx + y = y + x
Hypothesis F_add_mul_distrL : ∀x y z, F xF yF zx * (y + z) = x * y + x * z
Hypothesis F_add_mul_distrR : ∀x y z, F xF yF z(x + y) * z = x * z + y * z
Theorem. (CD_add_mul_distrL) The following is provable:
∀z w u, CD_carr zCD_carr wCD_carr uz (w + u) = z w + z u
Proof:
We prove the intermediate claim L_add_4_inner_mid: ∀x y z w, F xF yF zF w(x + y) + (z + w) = (x + z) + (y + w).
Let x, y, z and w be given.
Assume Hx Hy Hz Hw.
rewrite the current goal using F_add_assoc (x + y) z w (F_add x y Hx Hy) Hz Hw (from right to left).
We will prove ((x + y) + z) + w = (x + z) + (y + w).
rewrite the current goal using F_add_assoc x y z Hx Hy Hz (from left to right).
We will prove (x + (y + z)) + w = (x + z) + (y + w).
rewrite the current goal using F_add_com y z Hy Hz (from left to right).
We will prove (x + (z + y)) + w = (x + z) + (y + w).
rewrite the current goal using F_add_assoc x z y Hx Hz Hy (from right to left).
We will prove ((x + z) + y) + w = (x + z) + (y + w).
An exact proof term for the current goal is F_add_assoc (x + z) y w (F_add x z Hx Hz) Hy Hw.
Let z, w and u be given.
Assume Hz Hw Hu.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lp0u: F (proj0 u).
An exact proof term for the current goal is CD_proj0R u Hu.
We prove the intermediate claim Lp1u: F (proj1 u).
An exact proof term for the current goal is CD_proj1R u Hu.
We prove the intermediate claim Lp0wu: F (proj0 w + proj0 u).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wu: F (proj1 w + proj1 u).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp0w: F (conj (proj0 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1w: F (conj (proj1 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp0u: F (conj (proj0 u)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1u: F (conj (proj1 u)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0zp0w: F (proj0 z * proj0 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (conj (proj1 w) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (- conj (proj1 w) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwL: F (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wp0z: F (proj1 w * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0w: F (proj1 z * conj (proj0 w)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzwR: F (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0zp0u: F (proj0 z * proj0 u).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1up1z: F (conj (proj1 u) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1up1z: F (- conj (proj1 u) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzuL: F (proj0 z * proj0 u + - conj (proj1 u) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1up0z: F (proj1 u * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0u: F (proj1 z * conj (proj0 u)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LzuR: F (proj1 u * proj0 z + proj1 z * conj (proj0 u)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
Set wu to be the term pa (proj0 w + proj0 u) (proj1 w + proj1 u).
Set zw to be the term pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
Set zu to be the term pa (proj0 z * proj0 u + - conj (proj1 u) * proj1 z) (proj1 u * proj0 z + proj1 z * conj (proj0 u)).
We will prove pa (proj0 z * proj0 wu + - conj (proj1 wu) * proj1 z) (proj1 wu * proj0 z + proj1 z * conj (proj0 wu)) = pa (proj0 zw + proj0 zu) (proj1 zw + proj1 zu).
rewrite the current goal using CD_proj0_2 (proj0 w + proj0 u) (proj1 w + proj1 u) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 w + proj0 u) (proj1 w + proj1 u) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (proj0 z * proj0 u + - conj (proj1 u) * proj1 z) (proj1 u * proj0 z + proj1 z * conj (proj0 u)) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z * proj0 u + - conj (proj1 u) * proj1 z) (proj1 u * proj0 z + proj1 z * conj (proj0 u)) ?? ?? (from left to right).
Use f_equal.
rewrite the current goal using L_add_4_inner_mid (proj0 z * proj0 w) (- conj (proj1 w) * proj1 z) (proj0 z * proj0 u) (- conj (proj1 u) * proj1 z) ?? ?? ?? ?? (from left to right).
Use f_equal.
Apply F_add_mul_distrL to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove - conj (proj1 w + proj1 u) * proj1 z = (- conj (proj1 w) * proj1 z) + (- conj (proj1 u) * proj1 z).
rewrite the current goal using F_conj_add (proj1 w) (proj1 u) ?? ?? (from left to right).
We will prove - (conj (proj1 w) + conj (proj1 u)) * proj1 z = (- conj (proj1 w) * proj1 z) + (- conj (proj1 u) * proj1 z).
rewrite the current goal using F_add_mul_distrR (conj (proj1 w)) (conj (proj1 u)) (proj1 z) ?? ?? ?? (from left to right).
We will prove - (conj (proj1 w) * proj1 z + conj (proj1 u) * proj1 z) = (- conj (proj1 w) * proj1 z) + (- conj (proj1 u) * proj1 z).
Apply F_minus_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
rewrite the current goal using L_add_4_inner_mid (proj1 w * proj0 z) (proj1 z * conj (proj0 w)) (proj1 u * proj0 z) (proj1 z * conj (proj0 u)) ?? ?? ?? ?? (from left to right).
Use f_equal.
Apply F_add_mul_distrR to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove proj1 z * conj (proj0 w + proj0 u) = proj1 z * conj (proj0 w) + proj1 z * conj (proj0 u).
rewrite the current goal using F_conj_add (proj0 w) (proj0 u) ?? ?? (from left to right).
Apply F_add_mul_distrL to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
End of Section CD_add_mul_distrL
Beginning of Section CD_minus_mul_distrR
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Hypothesis F_conj_minus : ∀x, F xconj (- x) = - conj x
Hypothesis F_minus_add : ∀x y, F xF y- (x + y) = - x + - y
Hypothesis F_minus_mul_distrR : ∀x y, F xF yx * (- y) = - (x * y)
Hypothesis F_minus_mul_distrL : ∀x y, F xF y(- x) * y = - (x * y)
Theorem. (CD_minus_mul_distrR) The following is provable:
∀z w, CD_carr zCD_carr wz (:-: w) = :-: z w
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lmp0w: F (- proj0 w).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lmp1w: F (- proj1 w).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp0w: F (conj (proj0 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1w: F (conj (proj1 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (conj (proj1 w) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lmcp1wp1z: F (- conj (proj1 w) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0zp0w: F (proj0 z * proj0 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LmulL: F (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wp0z: F (proj1 w * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0w: F (proj1 z * conj (proj0 w)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LmulR: F (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove pa (proj0 z * proj0 (pa (- proj0 w) (- proj1 w)) + - conj (proj1 (pa (- proj0 w) (- proj1 w))) * proj1 z) (proj1 (pa (- proj0 w) (- proj1 w)) * proj0 z + proj1 z * conj (proj0 (pa (- proj0 w) (- proj1 w)))) = pa (- proj0 (pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)))) (- proj1 (pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)))).
rewrite the current goal using CD_proj0_2 (- proj0 w) (- proj1 w) (F_minus (proj0 w) (CD_proj0R w Hw)) ?? (from left to right).
rewrite the current goal using CD_proj1_2 (- proj0 w) (- proj1 w) (F_minus (proj0 w) (CD_proj0R w Hw)) ?? (from left to right).
rewrite the current goal using CD_proj0_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
We will prove pa (proj0 z * (- proj0 w) + - conj (- proj1 w) * proj1 z) ((- proj1 w) * proj0 z + proj1 z * conj (- proj0 w)) = pa (- (proj0 z * proj0 w + - conj (proj1 w) * proj1 z)) (- (proj1 w * proj0 z + proj1 z * conj (proj0 w))).
Use f_equal.
We will prove proj0 z * (- proj0 w) + - conj (- proj1 w) * proj1 z = - (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
rewrite the current goal using F_minus_add (proj0 z * proj0 w) (- conj (proj1 w) * proj1 z) ?? ?? (from left to right).
Use f_equal.
We will prove proj0 z * (- proj0 w) = - proj0 z * proj0 w.
An exact proof term for the current goal is F_minus_mul_distrR (proj0 z) (proj0 w) ?? ??.
We will prove - conj (- proj1 w) * proj1 z = - - conj (proj1 w) * proj1 z.
Use f_equal.
We will prove conj (- proj1 w) * proj1 z = - conj (proj1 w) * proj1 z.
rewrite the current goal using F_conj_minus (proj1 w) ?? (from left to right).
An exact proof term for the current goal is F_minus_mul_distrL (conj (proj1 w)) (proj1 z) ?? ??.
We will prove (- proj1 w) * proj0 z + proj1 z * conj (- proj0 w) = - (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
rewrite the current goal using F_minus_add (proj1 w * proj0 z) (proj1 z * conj (proj0 w)) ?? ?? (from left to right).
Use f_equal.
We will prove (- proj1 w) * proj0 z = - proj1 w * proj0 z.
An exact proof term for the current goal is F_minus_mul_distrL (proj1 w) (proj0 z) ?? ??.
We will prove proj1 z * conj (- proj0 w) = - proj1 z * conj (proj0 w).
rewrite the current goal using F_conj_minus (proj0 w) ?? (from left to right).
An exact proof term for the current goal is F_minus_mul_distrR (proj1 z) (conj (proj0 w)) ?? ??.
End of Section CD_minus_mul_distrR
Beginning of Section CD_minus_mul_distrL
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Hypothesis F_minus_add : ∀x y, F xF y- (x + y) = - x + - y
Hypothesis F_minus_mul_distrR : ∀x y, F xF yx * (- y) = - (x * y)
Hypothesis F_minus_mul_distrL : ∀x y, F xF y(- x) * y = - (x * y)
Theorem. (CD_minus_mul_distrL) The following is provable:
∀z w, CD_carr zCD_carr w(:-: z) w = :-: z w
Proof:
Let z and w be given.
Assume Hz Hw.
We prove the intermediate claim Lp0z: F (proj0 z).
An exact proof term for the current goal is CD_proj0R z Hz.
We prove the intermediate claim Lp1z: F (proj1 z).
An exact proof term for the current goal is CD_proj1R z Hz.
We prove the intermediate claim Lp0w: F (proj0 w).
An exact proof term for the current goal is CD_proj0R w Hw.
We prove the intermediate claim Lp1w: F (proj1 w).
An exact proof term for the current goal is CD_proj1R w Hw.
We prove the intermediate claim Lmp0z: F (- proj0 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lmp1z: F (- proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp0w: F (conj (proj0 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1w: F (conj (proj1 w)).
Apply F_conj to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lcp1wp1z: F (conj (proj1 w) * proj1 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lmcp1wp1z: F (- conj (proj1 w) * proj1 z).
Apply F_minus to the current goal.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp0zp0w: F (proj0 z * proj0 w).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LmulL: F (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1wp0z: F (proj1 w * proj0 z).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim Lp1zcp0w: F (proj1 z * conj (proj0 w)).
Apply F_mul to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We prove the intermediate claim LmulR: F (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
Apply F_add to the current goal.
An exact proof term for the current goal is ??.
An exact proof term for the current goal is ??.
We will prove pa (proj0 (pa (- proj0 z) (- proj1 z)) * proj0 w + - conj (proj1 w) * proj1 (pa (- proj0 z) (- proj1 z))) (proj1 w * proj0 (pa (- proj0 z) (- proj1 z)) + proj1 (pa (- proj0 z) (- proj1 z)) * conj (proj0 w)) = pa (- proj0 (pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)))) (- proj1 (pa (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)))).
rewrite the current goal using CD_proj0_2 (- proj0 z) (- proj1 z) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (- proj0 z) (- proj1 z) ?? ?? (from left to right).
rewrite the current goal using CD_proj0_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
rewrite the current goal using CD_proj1_2 (proj0 z * proj0 w + - conj (proj1 w) * proj1 z) (proj1 w * proj0 z + proj1 z * conj (proj0 w)) ?? ?? (from left to right).
We will prove pa ((- proj0 z) * proj0 w + - conj (proj1 w) * (- proj1 z)) (proj1 w * (- proj0 z) + (- proj1 z) * conj (proj0 w)) = pa (- (proj0 z * proj0 w + - conj (proj1 w) * proj1 z)) (- (proj1 w * proj0 z + proj1 z * conj (proj0 w))).
Use f_equal.
We will prove (- proj0 z) * proj0 w + - conj (proj1 w) * (- proj1 z) = - (proj0 z * proj0 w + - conj (proj1 w) * proj1 z).
rewrite the current goal using F_minus_add (proj0 z * proj0 w) (- conj (proj1 w) * proj1 z) ?? ?? (from left to right).
Use f_equal.
We will prove (- proj0 z) * proj0 w = - proj0 z * proj0 w.
An exact proof term for the current goal is F_minus_mul_distrL (proj0 z) (proj0 w) ?? ??.
We will prove - conj (proj1 w) * (- proj1 z) = - - conj (proj1 w) * proj1 z.
Use f_equal.
We will prove conj (proj1 w) * (- proj1 z) = - conj (proj1 w) * proj1 z.
An exact proof term for the current goal is F_minus_mul_distrR (conj (proj1 w)) (proj1 z) ?? ??.
We will prove proj1 w * (- proj0 z) + (- proj1 z) * conj (proj0 w) = - (proj1 w * proj0 z + proj1 z * conj (proj0 w)).
rewrite the current goal using F_minus_add (proj1 w * proj0 z) (proj1 z * conj (proj0 w)) ?? ?? (from left to right).
Use f_equal.
We will prove proj1 w * (- proj0 z) = - proj1 w * proj0 z.
An exact proof term for the current goal is F_minus_mul_distrR (proj1 w) (proj0 z) ?? ??.
We will prove (- proj1 z) * conj (proj0 w) = - proj1 z * conj (proj0 w).
An exact proof term for the current goal is F_minus_mul_distrL (proj1 z) (conj (proj0 w)) ?? ??.
End of Section CD_minus_mul_distrL
Beginning of Section CD_exp_nat
Variable minus : setset
Variable conj : setset
Variable add : setsetset
Variable mul : setsetset
Theorem. (CD_exp_nat_0) The following is provable:
∀z, z ^ 0 = 1
Proof:
Let z be given.
An exact proof term for the current goal is nat_primrec_0 1 (λ_ r ⇒ z r).
Theorem. (CD_exp_nat_S) The following is provable:
∀z n, nat_p nz ^ (ordsucc n) = z z ^ n
Proof:
Let z and n be given.
Assume Hn.
An exact proof term for the current goal is nat_primrec_S 1 (λ_ r ⇒ z r) n Hn.
Beginning of Section CD_exp_nat_1_2
Hypothesis F_0 : F 0
Hypothesis F_1 : F 1
Hypothesis F_minus_0 : - 0 = 0
Hypothesis F_conj_0 : conj 0 = 0
Hypothesis F_conj_1 : conj 1 = 1
Hypothesis F_add_0L : ∀x, F x0 + x = x
Hypothesis F_add_0R : ∀x, F xx + 0 = x
Hypothesis F_mul_0L : ∀x, F x0 * x = 0
Hypothesis F_mul_1R : ∀x, F xx * 1 = x
Theorem. (CD_exp_nat_1) The following is provable:
∀z, CD_carr zz ^ 1 = z
Proof:
Let z be given.
Assume Hz.
rewrite the current goal using CD_exp_nat_S z 0 nat_0 (from left to right).
We will prove z z ^ 0 = z.
rewrite the current goal using CD_exp_nat_0 z (from left to right).
We will prove z 1 = z.
An exact proof term for the current goal is CD_mul_1R minus conj add mul F_0 F_1 F_minus_0 F_conj_0 F_conj_1 F_add_0L F_add_0R F_mul_0L F_mul_1R z Hz.
Theorem. (CD_exp_nat_2) The following is provable:
∀z, CD_carr zz ^ 2 = z z
Proof:
Let z be given.
Assume Hz.
rewrite the current goal using CD_exp_nat_S z 1 nat_1 (from left to right).
We will prove z z ^ 1 = z z.
Use f_equal.
An exact proof term for the current goal is CD_exp_nat_1 z Hz.
End of Section CD_exp_nat_1_2
Hypothesis F_minus : ∀x, F xF (- x)
Hypothesis F_conj : ∀x, F xF (conj x)
Hypothesis F_add : ∀x y, F xF yF (x + y)
Hypothesis F_mul : ∀x y, F xF yF (x * y)
Hypothesis F_0 : F 0
Hypothesis F_1 : F 1
Theorem. (CD_exp_nat_CD) The following is provable:
∀z, CD_carr z∀n, nat_p nCD_carr (z ^ n)
Proof:
Let z be given.
Assume Hz.
Apply nat_ind to the current goal.
rewrite the current goal using CD_exp_nat_0 (from left to right).
We will prove CD_carr 1.
An exact proof term for the current goal is CD_carr_0ext F_0 1 F_1.
Let n be given.
Assume Hn.
Assume IHn: CD_carr (z ^ n).
rewrite the current goal using CD_exp_nat_S z n Hn (from left to right).
We will prove CD_carr (z z ^ n).
Apply CD_mul_CD minus conj add mul F_minus F_conj F_add F_mul to the current goal.
We will prove CD_carr z.
An exact proof term for the current goal is Hz.
We will prove CD_carr (z ^ n).
An exact proof term for the current goal is IHn.
End of Section CD_exp_nat
End of Section Alg