%   ORIGINAL: 'h4/thm/list/EL_restricted_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: !n ls l. 'h4/const/list/EL' ('h4/const/num/SUC' n) ('h4/const/list/CONS' l ls) = 'h4/const/list/EL' n ls
%   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 ls l. 'h4/const/list/EL' ('h4/const/num/SUC' n) ('h4/const/list/CONS' l ls) = 'h4/const/list/EL' n ls
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_3f5339,V_3f5335]: ![F, G]: (![X]: s(V_3f5335,happ(s(fun(V_3f5339,V_3f5335),F),s(V_3f5339,X))) = s(V_3f5335,happ(s(fun(V_3f5339,V_3f5335),G),s(V_3f5339,X))) => s(fun(V_3f5339,V_3f5335),F) = s(fun(V_3f5339,V_3f5335),G))).
fof('h4/thm/list/EL_restricted_e1', conjecture, ![B]: ![N, Ls, L]: s(B,'h4/const/list/EL'(s('h4/type/num/num','h4/const/num/SUC'(s('h4/type/num/num',N))),s('h4/type/list/list'(B),'h4/const/list/CONS'(s(B,L),s('h4/type/list/list'(B),Ls))))) = s(B,'h4/const/list/EL'(s('h4/type/num/num',N),s('h4/type/list/list'(B),Ls)))).
