%   ORIGINAL: 'h4/thm/pred_set/INSERT_INTER_'
% 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
% Goal: !x s t. 'h4/const/pred_set/INTER' ('h4/const/pred_set/INSERT' x s) t = 'h4/const/bool/COND' ('h4/const/bool/IN' x t) ('h4/const/pred_set/INSERT' x ('h4/const/pred_set/INTER' s t)) ('h4/const/pred_set/INTER' s t)
%   PROCESSED
% Assm ['HL_TRUTH']: T
% Assm ['HL_FALSITY']: ~F
% Assm ['HL_BOOL_CASES']: !t. (t <=> T) \/ (t <=> F)
% Assm ['HL_EXT']: !f g. (!x. happ f x = happ g x) ==> f = g
% Goal: !x s t. 'h4/const/pred_set/INTER' ('h4/const/pred_set/INSERT' x s) t = 'h4/const/bool/COND' ('h4/const/bool/IN' x t) ('h4/const/pred_set/INSERT' x ('h4/const/pred_set/INTER' s t)) ('h4/const/pred_set/INTER' s t)
fof('HL_TRUTH', axiom, p(s(bool,'T'))).
fof('HL_FALSITY', axiom, ~ (p(s(bool,'F')))).
fof('HL_BOOL_CASES', axiom, ![T]: (s(bool,T) = s(bool,'T') | s(bool,T) = s(bool,'F'))).
fof('HL_EXT', axiom, ![V_3f16944,V_3f16940]: ![F, G]: (![X]: s(V_3f16940,happ(s(fun(V_3f16944,V_3f16940),F),s(V_3f16944,X))) = s(V_3f16940,happ(s(fun(V_3f16944,V_3f16940),G),s(V_3f16944,X))) => s(fun(V_3f16944,V_3f16940),F) = s(fun(V_3f16944,V_3f16940),G))).
fof('h4/thm/pred_set/INSERT_INTER_', conjecture, ![A]: ![X, S, T]: s(fun(A,bool),'h4/const/pred_set/INTER'(s(fun(A,bool),'h4/const/pred_set/INSERT'(s(A,X),s(fun(A,bool),S))),s(fun(A,bool),T))) = s(fun(A,bool),'h4/const/bool/COND'(s(bool,'h4/const/bool/IN'(s(A,X),s(fun(A,bool),T))),s(fun(A,bool),'h4/const/pred_set/INSERT'(s(A,X),s(fun(A,bool),'h4/const/pred_set/INTER'(s(fun(A,bool),S),s(fun(A,bool),T))))),s(fun(A,bool),'h4/const/pred_set/INTER'(s(fun(A,bool),S),s(fun(A,bool),T)))))).
