%   ORIGINAL: 'h4/thm/option/option_case_cong_'
% 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: !'v\'' 'f\'' M 'M\'' v f. M = 'M\'' /\ ('M\'' = 'h4/const/option/NONE' ==> v = 'v\'') /\ (!x. 'M\'' = 'h4/const/option/SOME' x ==> f x = 'f\'' x) ==> 'h4/const/option/option_CASE' M v f = 'h4/const/option/option_CASE' 'M\'' 'v\'' 'f\''
%   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: !'v\'' 'f\'' M 'M\'' v f. M = 'M\'' /\ ('M\'' = 'h4/const/option/NONE' ==> v = 'v\'') /\ (!x. 'M\'' = 'h4/const/option/SOME' x ==> happ f x = happ 'f\'' x) ==> 'h4/const/option/option_CASE' M v f = 'h4/const/option/option_CASE' 'M\'' 'v\'' 'f\''
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_3f100882,V_3f100878]: ![F, G]: (![X]: s(V_3f100878,happ(s(fun(V_3f100882,V_3f100878),F),s(V_3f100882,X))) = s(V_3f100878,happ(s(fun(V_3f100882,V_3f100878),G),s(V_3f100882,X))) => s(fun(V_3f100882,V_3f100878),F) = s(fun(V_3f100882,V_3f100878),G))).
fof('h4/thm/option/option_case_cong_', conjecture, ![A,B]: ![V_27v_5c_27_27, V_27f_5c_27_27, M, V_27M_5c_27_27, V, F]: ((s('h4/type/option/option'(A),M) = s('h4/type/option/option'(A),V_27M_5c_27_27) & ((s('h4/type/option/option'(A),V_27M_5c_27_27) = s('h4/type/option/option'(A),'h4/const/option/NONE') => s(B,V) = s(B,V_27v_5c_27_27)) & ![X]: (s('h4/type/option/option'(A),V_27M_5c_27_27) = s('h4/type/option/option'(A),'h4/const/option/SOME'(s(A,X))) => s(B,happ(s(fun(A,B),F),s(A,X))) = s(B,happ(s(fun(A,B),V_27f_5c_27_27),s(A,X)))))) => s(B,'h4/const/option/option_CASE'(s('h4/type/option/option'(A),M),s(B,V),s(fun(A,B),F))) = s(B,'h4/const/option/option_CASE'(s('h4/type/option/option'(A),V_27M_5c_27_27),s(B,V_27v_5c_27_27),s(fun(A,B),V_27f_5c_27_27))))).
