%   ORIGINAL: h4/topology/TOPOLOGY_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/REFL__CLAUSE: !x. x = x <=> T
% Assm: h4/bool/EQ__SYM__EQ: !y x. x = y <=> y = x
% Assm: h4/topology/istopology0: !L. h4/topology/istopology L <=> L h4/pred__set/EMPTY /\ L h4/pred__set/UNIV /\ (!a b. L a /\ L b ==> L (h4/topology/re__intersect a b)) /\ (!P. h4/pred__set/SUBSET P L ==> L (h4/pred__set/BIGUNION P))
% Assm: h4/topology/topology__tybij_c0: !a. h4/topology/topology0 (h4/topology/open a) = a
% Assm: h4/topology/topology__tybij_c1: !r. h4/topology/istopology r <=> h4/topology/open (h4/topology/topology0 r) = r
% Goal: !P L. h4/pred__set/SUBSET P (h4/topology/open L) ==> h4/topology/open L (h4/pred__set/BIGUNION P)
%   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_bools_EQu_u_SYMu_u_EQ]: !y x. x = y <=> y = x
% Assm [h4s_topologys_istopology0]: !L. h4/topology/istopology L <=> happ L h4/pred__set/EMPTY /\ happ L h4/pred__set/UNIV /\ (!a b. happ L a /\ happ L b ==> happ L (h4/topology/re__intersect a b)) /\ (!P. h4/pred__set/SUBSET P L ==> happ L (h4/pred__set/BIGUNION P))
% Assm [h4s_topologys_topologyu_u_tybiju_c0]: !a. h4/topology/topology0 (h4/topology/open a) = a
% Assm [h4s_topologys_topologyu_u_tybiju_c1]: !r. h4/topology/istopology r <=> h4/topology/open (h4/topology/topology0 r) = r
% Goal: !P L. h4/pred__set/SUBSET P (h4/topology/open L) ==> happ (h4/topology/open L) (h4/pred__set/BIGUNION P)
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_Q352051,TV_Q352047]: ![V_f, V_g]: (![V_x]: s(TV_Q352047,happ(s(t_fun(TV_Q352051,TV_Q352047),V_f),s(TV_Q352051,V_x))) = s(TV_Q352047,happ(s(t_fun(TV_Q352051,TV_Q352047),V_g),s(TV_Q352051,V_x))) => s(t_fun(TV_Q352051,TV_Q352047),V_f) = s(t_fun(TV_Q352051,TV_Q352047),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_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_topologys_istopology0, axiom, ![TV_u_27a]: ![V_L]: (p(s(t_bool,h4s_topologys_istopology(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_L)))) <=> (p(s(t_bool,happ(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_L),s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_empty)))) & (p(s(t_bool,happ(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_L),s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_univ)))) & (![V_a, V_b]: ((p(s(t_bool,happ(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_L),s(t_fun(TV_u_27a,t_bool),V_a)))) & p(s(t_bool,happ(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_L),s(t_fun(TV_u_27a,t_bool),V_b))))) => p(s(t_bool,happ(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_L),s(t_fun(TV_u_27a,t_bool),h4s_topologys_reu_u_intersect(s(t_fun(TV_u_27a,t_bool),V_a),s(t_fun(TV_u_27a,t_bool),V_b))))))) & ![V_P]: (p(s(t_bool,h4s_predu_u_sets_subset(s(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),V_L)))) => p(s(t_bool,happ(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_L),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_P)))))))))))).
fof(ah4s_topologys_topologyu_u_tybiju_c0, axiom, ![TV_u_27a]: ![V_a]: s(t_h4s_topologys_topology(TV_u_27a),h4s_topologys_topology0(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_topologys_open(s(t_h4s_topologys_topology(TV_u_27a),V_a))))) = s(t_h4s_topologys_topology(TV_u_27a),V_a)).
fof(ah4s_topologys_topologyu_u_tybiju_c1, axiom, ![TV_u_27a]: ![V_r]: (p(s(t_bool,h4s_topologys_istopology(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_r)))) <=> s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_topologys_open(s(t_h4s_topologys_topology(TV_u_27a),h4s_topologys_topology0(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_r))))) = s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),V_r))).
fof(ch4s_topologys_TOPOLOGYu_c3, conjecture, ![TV_u_27a]: ![V_P, V_L]: (p(s(t_bool,h4s_predu_u_sets_subset(s(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_topologys_open(s(t_h4s_topologys_topology(TV_u_27a),V_L)))))) => p(s(t_bool,happ(s(t_fun(t_fun(TV_u_27a,t_bool),t_bool),h4s_topologys_open(s(t_h4s_topologys_topology(TV_u_27a),V_L))),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_P)))))))).
