%   ORIGINAL: 'h4/thm/relation/EqIsBothRSUBSET_'
% 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: !y z. y = z <=> 'h4/const/relation/RSUBSET' y z /\ 'h4/const/relation/RSUBSET' z y
%   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: !y z. y = z <=> 'h4/const/relation/RSUBSET' y z /\ 'h4/const/relation/RSUBSET' z y
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_3f29778,V_3f29774]: ![F, G]: (![X]: s(V_3f29774,happ(s(fun(V_3f29778,V_3f29774),F),s(V_3f29778,X))) = s(V_3f29774,happ(s(fun(V_3f29778,V_3f29774),G),s(V_3f29778,X))) => s(fun(V_3f29778,V_3f29774),F) = s(fun(V_3f29778,V_3f29774),G))).
fof('h4/thm/relation/EqIsBothRSUBSET_', conjecture, ![A,B]: ![Y, Z]: (s(fun(A,fun(B,bool)),Y) = s(fun(A,fun(B,bool)),Z) <=> (p(s(bool,'h4/const/relation/RSUBSET'(s(fun(A,fun(B,bool)),Y),s(fun(A,fun(B,bool)),Z)))) & p(s(bool,'h4/const/relation/RSUBSET'(s(fun(A,fun(B,bool)),Z),s(fun(A,fun(B,bool)),Y))))))).
