%   ORIGINAL: 'h4/thm/numpair/invtri0_thm_'
% 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: !n a. 'h4/const/arithmetic/+' ('h4/const/numpair/tri' ('h4/const/pair/SND' ('h4/const/numpair/invtri0' n a))) ('h4/const/pair/FST' ('h4/const/numpair/invtri0' n a)) = 'h4/const/arithmetic/+' n ('h4/const/numpair/tri' a)
%   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: !n a. 'h4/const/arithmetic/+' ('h4/const/numpair/tri' ('h4/const/pair/SND' ('h4/const/numpair/invtri0' n a))) ('h4/const/pair/FST' ('h4/const/numpair/invtri0' n a)) = 'h4/const/arithmetic/+' n ('h4/const/numpair/tri' a)
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_3f62536,V_3f62532]: ![F, G]: (![X]: s(V_3f62532,happ(s(fun(V_3f62536,V_3f62532),F),s(V_3f62536,X))) = s(V_3f62532,happ(s(fun(V_3f62536,V_3f62532),G),s(V_3f62536,X))) => s(fun(V_3f62536,V_3f62532),F) = s(fun(V_3f62536,V_3f62532),G))).
fof('h4/thm/numpair/invtri0_thm_', conjecture, ![N, A]: s('h4/type/num/num','h4/const/arithmetic/+'(s('h4/type/num/num','h4/const/numpair/tri'(s('h4/type/num/num','h4/const/pair/SND'(s('h4/type/pair/prod'('h4/type/num/num','h4/type/num/num'),'h4/const/numpair/invtri0'(s('h4/type/num/num',N),s('h4/type/num/num',A))))))),s('h4/type/num/num','h4/const/pair/FST'(s('h4/type/pair/prod'('h4/type/num/num','h4/type/num/num'),'h4/const/numpair/invtri0'(s('h4/type/num/num',N),s('h4/type/num/num',A))))))) = s('h4/type/num/num','h4/const/arithmetic/+'(s('h4/type/num/num',N),s('h4/type/num/num','h4/const/numpair/tri'(s('h4/type/num/num',A)))))).
