%   ORIGINAL: 'h4/thm/sum/SUM_MAP_I_'
% 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: 'h4/const/sum/++' 'h4/const/combin/I' 'h4/const/combin/I' = 'h4/const/combin/I'
%   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: 'h4/const/sum/++' 'h4/const/combin/I' 'h4/const/combin/I' = 'h4/const/combin/I'
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_3f66461,V_3f66457]: ![F, G]: (![X]: s(V_3f66457,happ(s(fun(V_3f66461,V_3f66457),F),s(V_3f66461,X))) = s(V_3f66457,happ(s(fun(V_3f66461,V_3f66457),G),s(V_3f66461,X))) => s(fun(V_3f66461,V_3f66457),F) = s(fun(V_3f66461,V_3f66457),G))).
fof('h4/thm/sum/SUM_MAP_I_', conjecture, ![A,B]: s(fun('h4/type/sum/sum'(A,B),'h4/type/sum/sum'(A,B)),'h4/const/sum/++'(s(fun(A,A),'h4/const/combin/I'),s(fun(B,B),'h4/const/combin/I'))) = s(fun('h4/type/sum/sum'(A,B),'h4/type/sum/sum'(A,B)),'h4/const/combin/I')).
