%   ORIGINAL: h4/bag/SUB__BAG__UNION__eliminate_c3
% 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/FORALL__SIMP: !t. (!x. t) <=> t
% Assm: h4/bool/AND__CLAUSES_c0: !t. T /\ t <=> t
% Assm: h4/bool/REFL__CLAUSE: !x. x = x <=> T
% Assm: h4/arithmetic/ADD__COMM: !n m. h4/arithmetic/_2B m n = h4/arithmetic/_2B n m
% Assm: h4/arithmetic/ADD__MONO__LESS__EQ: !p n m. h4/arithmetic/_3C_3D (h4/arithmetic/_2B m n) (h4/arithmetic/_2B m p) <=> h4/arithmetic/_3C_3D n p
% Assm: h4/bag/BAG__UNION0: !c b. h4/bag/BAG__UNION b c = (\x. h4/arithmetic/_2B (b x) (c x))
% Assm: h4/bag/SUB__BAG__LEQ: !b2 b1. h4/bag/SUB__BAG b1 b2 <=> (!x. h4/arithmetic/_3C_3D (b1 x) (b2 x))
% Goal: !b3 b2 b1. h4/bag/SUB__BAG (h4/bag/BAG__UNION b2 b1) (h4/bag/BAG__UNION b3 b1) <=> h4/bag/SUB__BAG b2 b3
%   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_FORALLu_u_SIMP]: !t. (!x. t) <=> t
% Assm [h4s_bools_ANDu_u_CLAUSESu_c0]: !t. T /\ t <=> t
% Assm [h4s_bools_REFLu_u_CLAUSE]: !x. x = x <=> T
% Assm [h4s_arithmetics_ADDu_u_COMM]: !n m. h4/arithmetic/_2B m n = h4/arithmetic/_2B n m
% Assm [h4s_arithmetics_ADDu_u_MONOu_u_LESSu_u_EQ]: !p n m. h4/arithmetic/_3C_3D (h4/arithmetic/_2B m n) (h4/arithmetic/_2B m p) <=> h4/arithmetic/_3C_3D n p
% Assm [h4s_bags_BAGu_u_UNION0]: !c b x. happ (h4/bag/BAG__UNION b c) x = h4/arithmetic/_2B (happ b x) (happ c x)
% Assm [h4s_bags_SUBu_u_BAGu_u_LEQ]: !b2 b1. h4/bag/SUB__BAG b1 b2 <=> (!x. h4/arithmetic/_3C_3D (happ b1 x) (happ b2 x))
% Goal: !b3 b2 b1. h4/bag/SUB__BAG (h4/bag/BAG__UNION b2 b1) (h4/bag/BAG__UNION b3 b1) <=> h4/bag/SUB__BAG b2 b3
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_Q228951,TV_Q228947]: ![V_f, V_g]: (![V_x]: s(TV_Q228947,happ(s(t_fun(TV_Q228951,TV_Q228947),V_f),s(TV_Q228951,V_x))) = s(TV_Q228947,happ(s(t_fun(TV_Q228951,TV_Q228947),V_g),s(TV_Q228951,V_x))) => s(t_fun(TV_Q228951,TV_Q228947),V_f) = s(t_fun(TV_Q228951,TV_Q228947),V_g))).
fof(ah4s_bools_TRUTH, axiom, p(s(t_bool,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_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_arithmetics_ADDu_u_COMM, axiom, ![V_n, V_m]: s(t_h4s_nums_num,h4s_arithmetics_u_2b(s(t_h4s_nums_num,V_m),s(t_h4s_nums_num,V_n))) = s(t_h4s_nums_num,h4s_arithmetics_u_2b(s(t_h4s_nums_num,V_n),s(t_h4s_nums_num,V_m)))).
fof(ah4s_arithmetics_ADDu_u_MONOu_u_LESSu_u_EQ, axiom, ![V_p, V_n, V_m]: s(t_bool,h4s_arithmetics_u_3cu_3d(s(t_h4s_nums_num,h4s_arithmetics_u_2b(s(t_h4s_nums_num,V_m),s(t_h4s_nums_num,V_n))),s(t_h4s_nums_num,h4s_arithmetics_u_2b(s(t_h4s_nums_num,V_m),s(t_h4s_nums_num,V_p))))) = s(t_bool,h4s_arithmetics_u_3cu_3d(s(t_h4s_nums_num,V_n),s(t_h4s_nums_num,V_p)))).
fof(ah4s_bags_BAGu_u_UNION0, axiom, ![TV_u_27a]: ![V_c, V_b, V_x]: s(t_h4s_nums_num,happ(s(t_fun(TV_u_27a,t_h4s_nums_num),h4s_bags_bagu_u_union(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b),s(t_fun(TV_u_27a,t_h4s_nums_num),V_c))),s(TV_u_27a,V_x))) = s(t_h4s_nums_num,h4s_arithmetics_u_2b(s(t_h4s_nums_num,happ(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b),s(TV_u_27a,V_x))),s(t_h4s_nums_num,happ(s(t_fun(TV_u_27a,t_h4s_nums_num),V_c),s(TV_u_27a,V_x)))))).
fof(ah4s_bags_SUBu_u_BAGu_u_LEQ, 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]: p(s(t_bool,h4s_arithmetics_u_3cu_3d(s(t_h4s_nums_num,happ(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1),s(TV_u_27a,V_x))),s(t_h4s_nums_num,happ(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2),s(TV_u_27a,V_x)))))))).
fof(ch4s_bags_SUBu_u_BAGu_u_UNIONu_u_eliminateu_c3, conjecture, ![TV_u_27a]: ![V_b3, V_b2, V_b1]: s(t_bool,h4s_bags_subu_u_bag(s(t_fun(TV_u_27a,t_h4s_nums_num),h4s_bags_bagu_u_union(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),h4s_bags_bagu_u_union(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b3),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b1))))) = s(t_bool,h4s_bags_subu_u_bag(s(t_fun(TV_u_27a,t_h4s_nums_num),V_b2),s(t_fun(TV_u_27a,t_h4s_nums_num),V_b3)))).
