%   ORIGINAL: h4/pred__set/SURJ__IMAGE
% 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/REFL__CLAUSE: !x. x = x <=> T
% Assm: h4/pred__set/IMAGE__SURJ: !t s f. h4/pred__set/SURJ f s t <=> h4/pred__set/IMAGE f s = t
% Goal: !s f. h4/pred__set/SURJ f s (h4/pred__set/IMAGE f s)
%   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_REFLu_u_CLAUSE]: !x. x = x <=> T
% Assm [h4s_predu_u_sets_IMAGEu_u_SURJ]: !t s f. h4/pred__set/SURJ f s t <=> h4/pred__set/IMAGE f s = t
% Goal: !s f. h4/pred__set/SURJ f s (h4/pred__set/IMAGE f s)
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_Q150726,TV_Q150722]: ![V_f, V_g]: (![V_x]: s(TV_Q150722,happ(s(t_fun(TV_Q150726,TV_Q150722),V_f),s(TV_Q150726,V_x))) = s(TV_Q150722,happ(s(t_fun(TV_Q150726,TV_Q150722),V_g),s(TV_Q150726,V_x))) => s(t_fun(TV_Q150726,TV_Q150722),V_f) = s(t_fun(TV_Q150726,TV_Q150722),V_g))).
fof(ah4s_bools_TRUTH, axiom, 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_predu_u_sets_IMAGEu_u_SURJ, axiom, ![TV_u_27a,TV_u_27b]: ![V_t, V_s, V_f]: (p(s(t_bool,h4s_predu_u_sets_surj(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(t_fun(TV_u_27a,t_bool),V_s),s(t_fun(TV_u_27b,t_bool),V_t)))) <=> s(t_fun(TV_u_27b,t_bool),h4s_predu_u_sets_image(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(t_fun(TV_u_27a,t_bool),V_s))) = s(t_fun(TV_u_27b,t_bool),V_t))).
fof(ch4s_predu_u_sets_SURJu_u_IMAGE, conjecture, ![TV_u_27b,TV_u_27a]: ![V_s, V_f]: p(s(t_bool,h4s_predu_u_sets_surj(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(t_fun(TV_u_27a,t_bool),V_s),s(t_fun(TV_u_27b,t_bool),h4s_predu_u_sets_image(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(t_fun(TV_u_27a,t_bool),V_s))))))).
