%   ORIGINAL: h4/measure/MEASURABLE__BIGUNION__PROPERTY
% 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/IMP__CLAUSES_c1: !t. t ==> T <=> 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/util__prob/IN__FUNSET: !f Q P. h4/bool/IN f (h4/util__prob/FUNSET P Q) <=> (!x. h4/bool/IN x P ==> h4/bool/IN (f x) Q)
% Assm: h4/util__prob/PREIMAGE__BIGUNION: !s f. h4/util__prob/PREIMAGE f (h4/pred__set/BIGUNION s) = h4/pred__set/BIGUNION (h4/pred__set/IMAGE (h4/util__prob/PREIMAGE f) s)
% Assm: h4/measure/SIGMA__ALGEBRA: !p. h4/measure/sigma__algebra p <=> h4/measure/subset__class (h4/measure/space p) (h4/measure/subsets p) /\ h4/bool/IN h4/pred__set/EMPTY (h4/measure/subsets p) /\ (!s. h4/bool/IN s (h4/measure/subsets p) ==> h4/bool/IN (h4/pred__set/DIFF (h4/measure/space p) s) (h4/measure/subsets p)) /\ (!c. h4/util__prob/countable c /\ h4/pred__set/SUBSET c (h4/measure/subsets p) ==> h4/bool/IN (h4/pred__set/BIGUNION c) (h4/measure/subsets p))
% Goal: !f b a. h4/measure/sigma__algebra a /\ h4/measure/sigma__algebra b /\ h4/bool/IN f (h4/util__prob/FUNSET (h4/measure/space a) (h4/measure/space b)) /\ (!s. h4/bool/IN s (h4/measure/subsets b) ==> h4/bool/IN (h4/util__prob/PREIMAGE f s) (h4/measure/subsets a)) ==> (!c. h4/pred__set/SUBSET c (h4/measure/subsets b) ==> h4/util__prob/PREIMAGE f (h4/pred__set/BIGUNION c) = h4/pred__set/BIGUNION (h4/pred__set/IMAGE (h4/util__prob/PREIMAGE f) c))
%   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_IMPu_u_CLAUSESu_c1]: !t. t ==> T <=> 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_utilu_u_probs_INu_u_FUNSET]: !f Q P. h4/bool/IN f (h4/util__prob/FUNSET P Q) <=> (!x. h4/bool/IN x P ==> h4/bool/IN (happ f x) Q)
% Assm [h4s_utilu_u_probs_PREIMAGEu_u_BIGUNION]: !s f. happ (h4/util__prob/PREIMAGE f) (h4/pred__set/BIGUNION s) = h4/pred__set/BIGUNION (h4/pred__set/IMAGE (h4/util__prob/PREIMAGE f) s)
% Assm [h4s_measures_SIGMAu_u_ALGEBRA]: !p. h4/measure/sigma__algebra p <=> h4/measure/subset__class (h4/measure/space p) (h4/measure/subsets p) /\ h4/bool/IN h4/pred__set/EMPTY (h4/measure/subsets p) /\ (!s. h4/bool/IN s (h4/measure/subsets p) ==> h4/bool/IN (h4/pred__set/DIFF (h4/measure/space p) s) (h4/measure/subsets p)) /\ (!c. h4/util__prob/countable c /\ h4/pred__set/SUBSET c (h4/measure/subsets p) ==> h4/bool/IN (h4/pred__set/BIGUNION c) (h4/measure/subsets p))
% Goal: !f b a. h4/measure/sigma__algebra a /\ h4/measure/sigma__algebra b /\ h4/bool/IN f (h4/util__prob/FUNSET (h4/measure/space a) (h4/measure/space b)) /\ (!s. h4/bool/IN s (h4/measure/subsets b) ==> h4/bool/IN (happ (h4/util__prob/PREIMAGE f) s) (h4/measure/subsets a)) ==> (!c. h4/pred__set/SUBSET c (h4/measure/subsets b) ==> happ (h4/util__prob/PREIMAGE f) (h4/pred__set/BIGUNION c) = h4/pred__set/BIGUNION (h4/pred__set/IMAGE (h4/util__prob/PREIMAGE f) c))
fof(aHLu_TRUTH, axiom, p(s(t_bool,t))).
fof(aHLu_FALSITY, axiom, ~ (p(s(t_bool,f0)))).
fof(aHLu_BOOLu_CASES, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t) | s(t_bool,V_t) = s(t_bool,f0))).
fof(aHLu_EXT, axiom, ![TV_Q112531,TV_Q112527]: ![V_f, V_g]: (![V_x]: s(TV_Q112527,happ(s(t_fun(TV_Q112531,TV_Q112527),V_f),s(TV_Q112531,V_x))) = s(TV_Q112527,happ(s(t_fun(TV_Q112531,TV_Q112527),V_g),s(TV_Q112531,V_x))) => s(t_fun(TV_Q112531,TV_Q112527),V_f) = s(t_fun(TV_Q112531,TV_Q112527),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_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_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_utilu_u_probs_INu_u_FUNSET, axiom, ![TV_u_27a,TV_u_27b]: ![V_f, V_Q, V_P]: (p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(t_fun(t_fun(TV_u_27a,TV_u_27b),t_bool),h4s_utilu_u_probs_funset(s(t_fun(TV_u_27a,t_bool),V_P),s(t_fun(TV_u_27b,t_bool),V_Q)))))) <=> ![V_x]: (p(s(t_bool,h4s_bools_in(s(TV_u_27a,V_x),s(t_fun(TV_u_27a,t_bool),V_P)))) => p(s(t_bool,h4s_bools_in(s(TV_u_27b,happ(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(TV_u_27a,V_x))),s(t_fun(TV_u_27b,t_bool),V_Q))))))).
fof(ah4s_utilu_u_probs_PREIMAGEu_u_BIGUNION, axiom, ![TV_u_27a,TV_u_27b]: ![V_s, V_f]: s(t_fun(TV_u_27a,t_bool),happ(s(t_fun(t_fun(TV_u_27b,t_bool),t_fun(TV_u_27a,t_bool)),h4s_utilu_u_probs_preimage(s(t_fun(TV_u_27a,TV_u_27b),V_f))),s(t_fun(TV_u_27b,t_bool),h4s_predu_u_sets_bigunion(s(t_fun(t_fun(TV_u_27b,t_bool),t_bool),V_s))))) = s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_bigunion(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_predu_u_sets_image(s(t_fun(t_fun(TV_u_27b,t_bool),t_fun(TV_u_27a,t_bool)),h4s_utilu_u_probs_preimage(s(t_fun(TV_u_27a,TV_u_27b),V_f))),s(t_fun(t_fun(TV_u_27b,t_bool),t_bool),V_s)))))).
fof(ah4s_measures_SIGMAu_u_ALGEBRA, axiom, ![TV_u_27a]: ![V_p]: (p(s(t_bool,h4s_measures_sigmau_u_algebra(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p)))) <=> (p(s(t_bool,h4s_measures_subsetu_u_class(s(t_fun(TV_u_27a,t_bool),h4s_measures_space(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p))),s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p)))))) & (p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_empty),s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p)))))) & (![V_s]: (p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27a,t_bool),V_s),s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p)))))) => p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_diff(s(t_fun(TV_u_27a,t_bool),h4s_measures_space(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p))),s(t_fun(TV_u_27a,t_bool),V_s))),s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p))))))) & ![V_c]: ((p(s(t_bool,h4s_utilu_u_probs_countable(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_c)))) & p(s(t_bool,h4s_predu_u_sets_subset(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_c),s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p))))))) => p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_bigunion(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_c))),s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_p)))))))))))).
fof(ch4s_measures_MEASURABLEu_u_BIGUNIONu_u_PROPERTY, conjecture, ![TV_u_27a,TV_u_27b]: ![V_f, V_b, V_a]: ((p(s(t_bool,h4s_measures_sigmau_u_algebra(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_a)))) & (p(s(t_bool,h4s_measures_sigmau_u_algebra(s(t_h4s_pairs_prod(t_fun(TV_u_27b,t_bool),t_fun(t_fun(TV_u_27b,t_bool),t_bool)),V_b)))) & (p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(t_fun(t_fun(TV_u_27a,TV_u_27b),t_bool),h4s_utilu_u_probs_funset(s(t_fun(TV_u_27a,t_bool),h4s_measures_space(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_a))),s(t_fun(TV_u_27b,t_bool),h4s_measures_space(s(t_h4s_pairs_prod(t_fun(TV_u_27b,t_bool),t_fun(t_fun(TV_u_27b,t_bool),t_bool)),V_b)))))))) & ![V_s]: (p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27b,t_bool),V_s),s(t_fun(t_fun(TV_u_27b,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27b,t_bool),t_fun(t_fun(TV_u_27b,t_bool),t_bool)),V_b)))))) => p(s(t_bool,h4s_bools_in(s(t_fun(TV_u_27a,t_bool),happ(s(t_fun(t_fun(TV_u_27b,t_bool),t_fun(TV_u_27a,t_bool)),h4s_utilu_u_probs_preimage(s(t_fun(TV_u_27a,TV_u_27b),V_f))),s(t_fun(TV_u_27b,t_bool),V_s))),s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27a,t_bool),t_fun(t_fun(TV_u_27a,t_bool),t_bool)),V_a)))))))))) => ![V_c]: (p(s(t_bool,h4s_predu_u_sets_subset(s(t_fun(t_fun(TV_u_27b,t_bool),t_bool),V_c),s(t_fun(t_fun(TV_u_27b,t_bool),t_bool),h4s_measures_subsets(s(t_h4s_pairs_prod(t_fun(TV_u_27b,t_bool),t_fun(t_fun(TV_u_27b,t_bool),t_bool)),V_b)))))) => s(t_fun(TV_u_27a,t_bool),happ(s(t_fun(t_fun(TV_u_27b,t_bool),t_fun(TV_u_27a,t_bool)),h4s_utilu_u_probs_preimage(s(t_fun(TV_u_27a,TV_u_27b),V_f))),s(t_fun(TV_u_27b,t_bool),h4s_predu_u_sets_bigunion(s(t_fun(t_fun(TV_u_27b,t_bool),t_bool),V_c))))) = s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_bigunion(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_predu_u_sets_image(s(t_fun(t_fun(TV_u_27b,t_bool),t_fun(TV_u_27a,t_bool)),h4s_utilu_u_probs_preimage(s(t_fun(TV_u_27a,TV_u_27b),V_f))),s(t_fun(t_fun(TV_u_27b,t_bool),t_bool),V_c)))))))).
