%   ORIGINAL: h4/bag/BAG__DELETE__PSUB__BAG
% Assm: HL_TRUTH: T
% Assm: HL_FALSITY: ~F
% Assm: HL_BOOL_CASES: !t. (t <=> T) \/ (t <=> F)
% Assm: HL_EXT: !f g. (!x. f x = g x) ==> f = g
% Assm: h4/bool/TRUTH: T
% Assm: h4/bool/IMP__ANTISYM__AX: !t2 t1. (t1 ==> t2) ==> (t2 ==> t1) ==> (t1 <=> t2)
% Assm: h4/bool/FALSITY: !t. F ==> t
% Assm: h4/bool/FORALL__SIMP: !t. (!x. t) <=> t
% Assm: h4/bool/AND__CLAUSES_c0: !t. T /\ t <=> t
% Assm: h4/bool/OR__CLAUSES_c1: !t. t \/ T <=> T
% Assm: h4/bool/IMP__CLAUSES_c1: !t. t ==> T <=> T
% Assm: h4/bool/NOT__CLAUSES_c2: ~F <=> T
% Assm: h4/bool/EQ__SYM__EQ: !y x. x = y <=> y = x
% Assm: h4/bool/EQ__CLAUSES_c1: !t. (t <=> T) <=> t
% Assm: h4/bool/AND__IMP__INTRO: !t3 t2 t1. t1 ==> t2 ==> t3 <=> t1 /\ t2 ==> t3
% Assm: h4/bool/IMP__CONG: !y_27 y x_27 x. (x <=> x_27) /\ (x_27 ==> (y <=> y_27)) ==> (x ==> y <=> x_27 ==> y_27)
% Assm: h4/bag/SUB__BAG0: !b2 b1. h4/bag/SUB__BAG b1 b2 <=> (!x n. h4/bag/BAG__INN x n b1 ==> h4/bag/BAG__INN x n b2)
% Assm: h4/bag/PSUB__BAG0: !b2 b1. h4/bag/PSUB__BAG b1 b2 <=> h4/bag/SUB__BAG b1 b2 /\ ~(b1 = b2)
% Assm: h4/bag/BAG__INN__BAG__INSERT: !n e2 e1 b. h4/bag/BAG__INN e1 n (h4/bag/BAG__INSERT e2 b) <=> h4/bag/BAG__INN e1 (h4/arithmetic/_2D n (h4/arithmetic/NUMERAL (h4/arithmetic/BIT1 h4/arithmetic/ZERO))) b /\ e1 = e2 \/ h4/bag/BAG__INN e1 n b
% Assm: h4/bag/BAG__INSERT__DIFF: !x b. ~(h4/bag/BAG__INSERT x b = b)
% Assm: h4/bag/BAG__DELETE0: !e b0 b. h4/bag/BAG__DELETE b0 e b <=> b0 = h4/bag/BAG__INSERT e b
% Goal: !e b0 b. h4/bag/BAG__DELETE b0 e b ==> h4/bag/PSUB__BAG b b0
%   PROCESSED
% Assm [HLu_TRUTH]: T
% Assm [HLu_FALSITY]: ~F
% Assm [HLu_BOOLu_CASES]: !t. (t <=> T) \/ (t <=> F)
% Assm [HLu_EXT]: !f g. (!x. happ f x = happ g x) ==> f = g
% Assm [h4s_bools_TRUTH]: T
% Assm [h4s_bools_IMPu_u_ANTISYMu_u_AX]: !t2 t1. (t1 ==> t2) ==> (t2 ==> t1) ==> (t1 <=> t2)
% Assm [h4s_bools_FALSITY]: !t. F ==> t
% Assm [h4s_bools_FORALLu_u_SIMP]: !t. (!x. t) <=> t
% Assm [h4s_bools_ANDu_u_CLAUSESu_c0]: !t. T /\ t <=> t
% Assm [h4s_bools_ORu_u_CLAUSESu_c1]: !t. t \/ T <=> T
% Assm [h4s_bools_IMPu_u_CLAUSESu_c1]: !t. t ==> T <=> T
% Assm [h4s_bools_NOTu_u_CLAUSESu_c2]: ~F <=> T
% Assm [h4s_bools_EQu_u_SYMu_u_EQ]: !y x. x = y <=> y = x
% Assm [h4s_bools_EQu_u_CLAUSESu_c1]: !t. (t <=> T) <=> t
% Assm [h4s_bools_ANDu_u_IMPu_u_INTRO]: !t3 t2 t1. t1 ==> t2 ==> t3 <=> t1 /\ t2 ==> t3
% Assm [h4s_bools_IMPu_u_CONG]: !y_27 y x_27 x. (x <=> x_27) /\ (x_27 ==> (y <=> y_27)) ==> (x ==> y <=> x_27 ==> y_27)
% Assm [h4s_bags_SUBu_u_BAG0]: !b2 b1. h4/bag/SUB__BAG b1 b2 <=> (!x n. h4/bag/BAG__INN x n b1 ==> h4/bag/BAG__INN x n b2)
% Assm [h4s_bags_PSUBu_u_BAG0]: !b2 b1. h4/bag/PSUB__BAG b1 b2 <=> h4/bag/SUB__BAG b1 b2 /\ ~(b1 = b2)
% Assm [h4s_bags_BAGu_u_INNu_u_BAGu_u_INSERT]: !n e2 e1 b. h4/bag/BAG__INN e1 n (h4/bag/BAG__INSERT e2 b) <=> h4/bag/BAG__INN e1 (h4/arithmetic/_2D n (h4/arithmetic/NUMERAL (h4/arithmetic/BIT1 h4/arithmetic/ZERO))) b /\ e1 = e2 \/ h4/bag/BAG__INN e1 n b
% Assm [h4s_bags_BAGu_u_INSERTu_u_DIFF]: !x b. ~(h4/bag/BAG__INSERT x b = b)
% Assm [h4s_bags_BAGu_u_DELETE0]: !e b0 b. h4/bag/BAG__DELETE b0 e b <=> b0 = h4/bag/BAG__INSERT e b
% Goal: !e b0 b. h4/bag/BAG__DELETE b0 e b ==> h4/bag/PSUB__BAG b b0
fof(aHLu_TRUTH, axiom, p(s(t_bool,t))).
fof(aHLu_FALSITY, axiom, ~ (p(s(t_bool,f)))).
fof(aHLu_BOOLu_CASES, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t) | s(t_bool,V_t) = s(t_bool,f))).
fof(aHLu_EXT, axiom, ![TV_Q229881,TV_Q229877]: ![V_f, V_g]: (![V_x]: s(TV_Q229877,happ(s(t_fun(TV_Q229881,TV_Q229877),V_f),s(TV_Q229881,V_x))) = s(TV_Q229877,happ(s(t_fun(TV_Q229881,TV_Q229877),V_g),s(TV_Q229881,V_x))) => s(t_fun(TV_Q229881,TV_Q229877),V_f) = s(t_fun(TV_Q229881,TV_Q229877),V_g))).
fof(ah4s_bools_TRUTH, axiom, p(s(t_bool,t))).
fof(ah4s_bools_IMPu_u_ANTISYMu_u_AX, axiom, ![V_t2, V_t1]: ((p(s(t_bool,V_t1)) => p(s(t_bool,V_t2))) => ((p(s(t_bool,V_t2)) => p(s(t_bool,V_t1))) => s(t_bool,V_t1) = s(t_bool,V_t2)))).
fof(ah4s_bools_FALSITY, axiom, ![V_t]: (p(s(t_bool,f)) => p(s(t_bool,V_t)))).
fof(ah4s_bools_FORALLu_u_SIMP, axiom, ![TV_u_27a]: ![V_t]: (![V_x]: p(s(t_bool,V_t)) <=> p(s(t_bool,V_t)))).
fof(ah4s_bools_ANDu_u_CLAUSESu_c0, axiom, ![V_t]: ((p(s(t_bool,t)) & p(s(t_bool,V_t))) <=> p(s(t_bool,V_t)))).
fof(ah4s_bools_ORu_u_CLAUSESu_c1, axiom, ![V_t]: ((p(s(t_bool,V_t)) | p(s(t_bool,t))) <=> p(s(t_bool,t)))).
fof(ah4s_bools_IMPu_u_CLAUSESu_c1, axiom, ![V_t]: ((p(s(t_bool,V_t)) => p(s(t_bool,t))) <=> p(s(t_bool,t)))).
fof(ah4s_bools_NOTu_u_CLAUSESu_c2, axiom, (~ (p(s(t_bool,f))) <=> p(s(t_bool,t)))).
fof(ah4s_bools_EQu_u_SYMu_u_EQ, axiom, ![TV_u_27a]: ![V_y, V_x]: (s(TV_u_27a,V_x) = s(TV_u_27a,V_y) <=> s(TV_u_27a,V_y) = s(TV_u_27a,V_x))).
fof(ah4s_bools_EQu_u_CLAUSESu_c1, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t) <=> p(s(t_bool,V_t)))).
fof(ah4s_bools_ANDu_u_IMPu_u_INTRO, axiom, ![V_t3, V_t2, V_t1]: ((p(s(t_bool,V_t1)) => (p(s(t_bool,V_t2)) => p(s(t_bool,V_t3)))) <=> ((p(s(t_bool,V_t1)) & p(s(t_bool,V_t2))) => p(s(t_bool,V_t3))))).
fof(ah4s_bools_IMPu_u_CONG, axiom, ![V_yu_27, V_y, V_xu_27, V_x]: ((s(t_bool,V_x) = s(t_bool,V_xu_27) & (p(s(t_bool,V_xu_27)) => s(t_bool,V_y) = s(t_bool,V_yu_27))) => ((p(s(t_bool,V_x)) => p(s(t_bool,V_y))) <=> (p(s(t_bool,V_xu_27)) => p(s(t_bool,V_yu_27)))))).
fof(ah4s_bags_SUBu_u_BAG0, axiom, ![TV_u_27a]: ![V_b2, V_b1]: (p(s(t_bool,h4s_bags_subu_u_bag(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2)))) <=> ![V_x, V_n]: (p(s(t_bool,h4s_bags_bagu_u_inn(s(TV_u_27a,V_x),s(t_h4s_nums_num,V_n),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1)))) => p(s(t_bool,h4s_bags_bagu_u_inn(s(TV_u_27a,V_x),s(t_h4s_nums_num,V_n),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2))))))).
fof(ah4s_bags_PSUBu_u_BAG0, axiom, ![TV_u_27a]: ![V_b2, V_b1]: (p(s(t_bool,h4s_bags_psubu_u_bag(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2)))) <=> (p(s(t_bool,h4s_bags_subu_u_bag(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2)))) & ~ (s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1) = s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2))))).
fof(ah4s_bags_BAGu_u_INNu_u_BAGu_u_INSERT, axiom, ![TV_u_27a]: ![V_n, V_e2, V_e1, V_b]: (p(s(t_bool,h4s_bags_bagu_u_inn(s(TV_u_27a,V_e1),s(t_h4s_nums_num,V_n),s(t_fun(TV_u_27a,t_h4s_nums_num),h4s_bags_bagu_u_insert(s(TV_u_27a,V_e2),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b)))))) <=> ((p(s(t_bool,h4s_bags_bagu_u_inn(s(TV_u_27a,V_e1),s(t_h4s_nums_num,h4s_arithmetics_u_2d(s(t_h4s_nums_num,V_n),s(t_h4s_nums_num,h4s_arithmetics_numeral(s(t_h4s_nums_num,h4s_arithmetics_bit1(s(t_h4s_nums_num,h4s_arithmetics_zero))))))),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b)))) & s(TV_u_27a,V_e1) = s(TV_u_27a,V_e2)) | p(s(t_bool,h4s_bags_bagu_u_inn(s(TV_u_27a,V_e1),s(t_h4s_nums_num,V_n),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b))))))).
fof(ah4s_bags_BAGu_u_INSERTu_u_DIFF, axiom, ![TV_u_27a]: ![V_x, V_b]: ~ (s(t_fun(TV_u_27a,t_h4s_nums_num),h4s_bags_bagu_u_insert(s(TV_u_27a,V_x),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b))) = s(t_fun(TV_u_27a,t_h4s_nums_num),V_b))).
fof(ah4s_bags_BAGu_u_DELETE0, axiom, ![TV_u_27a]: ![V_e, V_b0, V_b]: (p(s(t_bool,h4s_bags_bagu_u_delete(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b0),s(TV_u_27a,V_e),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b)))) <=> s(t_fun(TV_u_27a,t_h4s_nums_num),V_b0) = s(t_fun(TV_u_27a,t_h4s_nums_num),h4s_bags_bagu_u_insert(s(TV_u_27a,V_e),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b))))).
fof(ch4s_bags_BAGu_u_DELETEu_u_PSUBu_u_BAG, conjecture, ![TV_u_27a]: ![V_e, V_b0, V_b]: (p(s(t_bool,h4s_bags_bagu_u_delete(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b0),s(TV_u_27a,V_e),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b)))) => p(s(t_bool,h4s_bags_psubu_u_bag(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b0)))))).
