%   ORIGINAL: 'h4/thm/list/list_case_compute_'
% 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: !f b l. 'h4/const/list/list_CASE' l b f = 'h4/const/bool/COND' ('h4/const/list/NULL' l) b (f ('h4/const/list/HD' l) ('h4/const/list/TL' l))
%   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: !f b l. 'h4/const/list/list_CASE' l b f = 'h4/const/bool/COND' ('h4/const/list/NULL' l) b (happ (happ f ('h4/const/list/HD' l)) ('h4/const/list/TL' l))
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_3f2913,V_3f2909]: ![F, G]: (![X]: s(V_3f2909,happ(s(fun(V_3f2913,V_3f2909),F),s(V_3f2913,X))) = s(V_3f2909,happ(s(fun(V_3f2913,V_3f2909),G),s(V_3f2913,X))) => s(fun(V_3f2913,V_3f2909),F) = s(fun(V_3f2913,V_3f2909),G))).
fof('h4/thm/list/list_case_compute_', conjecture, ![B,A]: ![F, B0, L]: s(B,'h4/const/list/list_CASE'(s('h4/type/list/list'(A),L),s(B,B0),s(fun(A,fun('h4/type/list/list'(A),B)),F))) = s(B,'h4/const/bool/COND'(s(bool,'h4/const/list/NULL'(s('h4/type/list/list'(A),L))),s(B,B0),s(B,happ(s(fun('h4/type/list/list'(A),B),happ(s(fun(A,fun('h4/type/list/list'(A),B)),F),s(A,'h4/const/list/HD'(s('h4/type/list/list'(A),L))))),s('h4/type/list/list'(A),'h4/const/list/TL'(s('h4/type/list/list'(A),L)))))))).
