%   ORIGINAL: 'h4/thm/rich_list/LENGTH_MAP2_'
% 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: !l1 l2. 'h4/const/list/LENGTH' l1 = 'h4/const/list/LENGTH' l2 ==> (!f. 'h4/const/list/LENGTH' ('h4/const/list/MAP2' f l1 l2) = 'h4/const/list/LENGTH' l1 /\ 'h4/const/list/LENGTH' ('h4/const/list/MAP2' f l1 l2) = 'h4/const/list/LENGTH' l2)
%   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: !l1 l2. 'h4/const/list/LENGTH' l1 = 'h4/const/list/LENGTH' l2 ==> (!f. 'h4/const/list/LENGTH' ('h4/const/list/MAP2' f l1 l2) = 'h4/const/list/LENGTH' l1 /\ 'h4/const/list/LENGTH' ('h4/const/list/MAP2' f l1 l2) = 'h4/const/list/LENGTH' l2)
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_3f50886,V_3f50882]: ![F, G]: (![X]: s(V_3f50882,happ(s(fun(V_3f50886,V_3f50882),F),s(V_3f50886,X))) = s(V_3f50882,happ(s(fun(V_3f50886,V_3f50882),G),s(V_3f50886,X))) => s(fun(V_3f50886,V_3f50882),F) = s(fun(V_3f50886,V_3f50882),G))).
fof('h4/thm/rich_list/LENGTH_MAP2_', conjecture, ![C,A,B]: ![L1, L2]: (s('h4/type/num/num','h4/const/list/LENGTH'(s('h4/type/list/list'(A),L1))) = s('h4/type/num/num','h4/const/list/LENGTH'(s('h4/type/list/list'(B),L2))) => ![F]: (s('h4/type/num/num','h4/const/list/LENGTH'(s('h4/type/list/list'(C),'h4/const/list/MAP2'(s(fun(A,fun(B,C)),F),s('h4/type/list/list'(A),L1),s('h4/type/list/list'(B),L2))))) = s('h4/type/num/num','h4/const/list/LENGTH'(s('h4/type/list/list'(A),L1))) & s('h4/type/num/num','h4/const/list/LENGTH'(s('h4/type/list/list'(C),'h4/const/list/MAP2'(s(fun(A,fun(B,C)),F),s('h4/type/list/list'(A),L1),s('h4/type/list/list'(B),L2))))) = s('h4/type/num/num','h4/const/list/LENGTH'(s('h4/type/list/list'(B),L2)))))).
