%   ORIGINAL: 'h4/thm/numpair/invtri_unique_'
% 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 n. 'h4/const/arithmetic/<=' ('h4/const/numpair/tri' y) n /\ 'h4/const/prim_rec/<' n ('h4/const/numpair/tri' ('h4/const/arithmetic/+' y ('h4/const/arithmetic/NUMERAL' ('h4/const/arithmetic/BIT1' 'h4/const/arithmetic/ZERO')))) ==> 'h4/const/numpair/invtri' n = 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 n. 'h4/const/arithmetic/<=' ('h4/const/numpair/tri' y) n /\ 'h4/const/prim_rec/<' n ('h4/const/numpair/tri' ('h4/const/arithmetic/+' y ('h4/const/arithmetic/NUMERAL' ('h4/const/arithmetic/BIT1' 'h4/const/arithmetic/ZERO')))) ==> 'h4/const/numpair/invtri' n = 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_3f62661,V_3f62657]: ![F, G]: (![X]: s(V_3f62657,happ(s(fun(V_3f62661,V_3f62657),F),s(V_3f62661,X))) = s(V_3f62657,happ(s(fun(V_3f62661,V_3f62657),G),s(V_3f62661,X))) => s(fun(V_3f62661,V_3f62657),F) = s(fun(V_3f62661,V_3f62657),G))).
fof('h4/thm/numpair/invtri_unique_', conjecture, ![Y, N]: ((p(s(bool,'h4/const/arithmetic/<='(s('h4/type/num/num','h4/const/numpair/tri'(s('h4/type/num/num',Y))),s('h4/type/num/num',N)))) & p(s(bool,'h4/const/prim_rec/<'(s('h4/type/num/num',N),s('h4/type/num/num','h4/const/numpair/tri'(s('h4/type/num/num','h4/const/arithmetic/+'(s('h4/type/num/num',Y),s('h4/type/num/num','h4/const/arithmetic/NUMERAL'(s('h4/type/num/num','h4/const/arithmetic/BIT1'(s('h4/type/num/num','h4/const/arithmetic/ZERO'))))))))))))) => s('h4/type/num/num','h4/const/numpair/invtri'(s('h4/type/num/num',N))) = s('h4/type/num/num',Y))).
