%   ORIGINAL: 'h4/thm/quotient/IN_FUN_'
% 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: !f g s x. 'h4/const/bool/IN' x ('h4/const/quotient/-->' f g s) <=> g ('h4/const/bool/IN' (f x) s)
%   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: !f g s x. 'h4/const/bool/IN' x ('h4/const/quotient/-->' f g s) <=> happ g ('h4/const/bool/IN' (happ f x) s)
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_3f74765,V_3f74761]: ![F, G]: (![X]: s(V_3f74761,happ(s(fun(V_3f74765,V_3f74761),F),s(V_3f74765,X))) = s(V_3f74761,happ(s(fun(V_3f74765,V_3f74761),G),s(V_3f74765,X))) => s(fun(V_3f74765,V_3f74761),F) = s(fun(V_3f74765,V_3f74761),G))).
fof('h4/thm/quotient/IN_FUN_', conjecture, ![A,B]: ![F, G, S, X]: s(bool,'h4/const/bool/IN'(s(A,X),s(fun(A,bool),'h4/const/quotient/-->'(s(fun(A,B),F),s(fun(bool,bool),G),s(fun(B,bool),S))))) = s(bool,happ(s(fun(bool,bool),G),s(bool,'h4/const/bool/IN'(s(B,happ(s(fun(A,B),F),s(A,X))),s(fun(B,bool),S)))))).
