%   ORIGINAL: 'h4/thm/numpair/nlen_thm_e1'
% 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: !t h. 'h4/const/numpair/nlen' ('h4/const/numpair/ncons' h t) = 'h4/const/arithmetic/+' ('h4/const/numpair/nlen' t) ('h4/const/arithmetic/NUMERAL' ('h4/const/arithmetic/BIT1' 'h4/const/arithmetic/ZERO'))
%   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: !t h. 'h4/const/numpair/nlen' ('h4/const/numpair/ncons' h t) = 'h4/const/arithmetic/+' ('h4/const/numpair/nlen' t) ('h4/const/arithmetic/NUMERAL' ('h4/const/arithmetic/BIT1' 'h4/const/arithmetic/ZERO'))
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_3f63086,V_3f63082]: ![F, G]: (![X]: s(V_3f63082,happ(s(fun(V_3f63086,V_3f63082),F),s(V_3f63086,X))) = s(V_3f63082,happ(s(fun(V_3f63086,V_3f63082),G),s(V_3f63086,X))) => s(fun(V_3f63086,V_3f63082),F) = s(fun(V_3f63086,V_3f63082),G))).
fof('h4/thm/numpair/nlen_thm_e1', conjecture, ![T, H]: s('h4/type/num/num','h4/const/numpair/nlen'(s('h4/type/num/num','h4/const/numpair/ncons'(s('h4/type/num/num',H),s('h4/type/num/num',T))))) = s('h4/type/num/num','h4/const/arithmetic/+'(s('h4/type/num/num','h4/const/numpair/nlen'(s('h4/type/num/num',T))),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')))))))).
