%   ORIGINAL: h4/bag/BAG__DELETE__11
% 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/T__DEF: T <=> (\x. x) = (\x. x)
% Assm: h4/bool/OR__DEF: $or = (\t1 t2. !t. (t1 ==> t) ==> (t2 ==> t) ==> t)
% Assm: h4/bool/F__DEF: F <=> (!t. t)
% Assm: h4/bool/NOT__DEF: $not = (\t. t ==> F)
% Assm: h4/bool/BOOL__CASES__AX: !t. (t <=> T) \/ (t <=> F)
% 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/REFL__CLAUSE: !x. x = x <=> T
% Assm: h4/bool/EQ__SYM__EQ: !y x. x = y <=> y = x
% 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/BAG__INSERT__ONE__ONE: !x b2 b1. h4/bag/BAG__INSERT x b1 = h4/bag/BAG__INSERT x b2 <=> b1 = b2
% Assm: h4/bag/C__BAG__INSERT__ONE__ONE: !y x b. h4/bag/BAG__INSERT x b = h4/bag/BAG__INSERT y b <=> x = y
% Assm: h4/bag/BAG__DELETE0: !e b0 b. h4/bag/BAG__DELETE b0 e b <=> b0 = h4/bag/BAG__INSERT e b
% Goal: !e2 e1 b2 b1 b0. h4/bag/BAG__DELETE b0 e1 b1 /\ h4/bag/BAG__DELETE b0 e2 b2 ==> (e1 = e2 <=> b1 = b2)
%   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_Tu_u_DEF]: T <=> (!x. x <=> x)
% Assm [h4s_bools_ORu_u_DEF]: !x x'. $or x x' <=> (!t. (x ==> t) ==> (x' ==> t) ==> t)
% Assm [h4s_bools_Fu_u_DEF]: F <=> (!t. t)
% Assm [h4s_bools_NOTu_u_DEF]: !x. $not x <=> x ==> F
% Assm [h4s_bools_BOOLu_u_CASESu_u_AX]: !t. (t <=> T) \/ (t <=> F)
% 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_REFLu_u_CLAUSE]: !x. x = x <=> T
% Assm [h4s_bools_EQu_u_SYMu_u_EQ]: !y x. x = y <=> y = x
% 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_BAGu_u_INSERTu_u_ONEu_u_ONE]: !x b2 b1. h4/bag/BAG__INSERT x b1 = h4/bag/BAG__INSERT x b2 <=> b1 = b2
% Assm [h4s_bags_Cu_u_BAGu_u_INSERTu_u_ONEu_u_ONE]: !y x b. h4/bag/BAG__INSERT x b = h4/bag/BAG__INSERT y b <=> x = y
% Assm [h4s_bags_BAGu_u_DELETE0]: !e b0 b. h4/bag/BAG__DELETE b0 e b <=> b0 = h4/bag/BAG__INSERT e b
% Goal: !e2 e1 b2 b1 b0. h4/bag/BAG__DELETE b0 e1 b1 /\ h4/bag/BAG__DELETE b0 e2 b2 ==> (e1 = e2 <=> b1 = b2)
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_Q227519,TV_Q227515]: ![V_f, V_g]: (![V_x]: s(TV_Q227515,happ(s(t_fun(TV_Q227519,TV_Q227515),V_f),s(TV_Q227519,V_x))) = s(TV_Q227515,happ(s(t_fun(TV_Q227519,TV_Q227515),V_g),s(TV_Q227519,V_x))) => s(t_fun(TV_Q227519,TV_Q227515),V_f) = s(t_fun(TV_Q227519,TV_Q227515),V_g))).
fof(ah4s_bools_Tu_u_DEF, axiom, (p(s(t_bool,t)) <=> ![V_x]: s(t_bool,V_x) = s(t_bool,V_x))).
fof(ah4s_bools_ORu_u_DEF, axiom, ![V_x, V_xi_]: (p(s(t_bool,d_or(s(t_bool,V_x),s(t_bool,V_xi_)))) <=> ![V_t]: ((p(s(t_bool,V_x)) => p(s(t_bool,V_t))) => ((p(s(t_bool,V_xi_)) => p(s(t_bool,V_t))) => p(s(t_bool,V_t)))))).
fof(ah4s_bools_Fu_u_DEF, axiom, (p(s(t_bool,f)) <=> ![V_t]: p(s(t_bool,V_t)))).
fof(ah4s_bools_NOTu_u_DEF, axiom, ![V_x]: (p(s(t_bool,d_not(s(t_bool,V_x)))) <=> (p(s(t_bool,V_x)) => p(s(t_bool,f))))).
fof(ah4s_bools_BOOLu_u_CASESu_u_AX, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t) | s(t_bool,V_t) = s(t_bool,f))).
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_REFLu_u_CLAUSE, axiom, ![TV_u_27a]: ![V_x]: (s(TV_u_27a,V_x) = s(TV_u_27a,V_x) <=> 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_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_BAGu_u_INSERTu_u_ONEu_u_ONE, axiom, ![TV_u_27a]: ![V_x, V_b2, V_b1]: (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_b1))) = 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_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_Cu_u_BAGu_u_INSERTu_u_ONEu_u_ONE, axiom, ![TV_u_27a]: ![V_y, 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),h4s_bags_bagu_u_insert(s(TV_u_27a,V_y),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b))) <=> s(TV_u_27a,V_x) = s(TV_u_27a,V_y))).
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_11, conjecture, ![TV_u_27a]: ![V_e2, V_e1, V_b2, V_b1, V_b0]: ((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_e1),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1)))) & 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_e2),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2))))) => (s(TV_u_27a,V_e1) = s(TV_u_27a,V_e2) <=> s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1) = s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2)))).
