%   ORIGINAL: h4/bool/LET__RAND
% 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
% Assm: h4/bool/LET__THM: !x f. h4/bool/LET f x = f x
% Goal: !P N M. P (h4/bool/LET (\x. N x) M) <=> h4/bool/LET (\x. P (N x)) M
%   PROCESSED
% Assm [HLu_TRUTH]: T
% Assm [HLu_FALSITY]: ~F
% Assm [HLu_BOOLu_CASES]: !t. (t <=> T) \/ (t <=> F)
% Assm [HLu_EXT]: !f g. (!x. happ f x = happ g x) ==> f = g
% Assm [h4s_bools_LETu_u_THM]: !x f. h4/bool/LET f x = happ f x
% Goal: !_1. (!P N x. happ (happ (happ _1 P) N) x <=> happ P (happ N x)) ==> (!_0. (!N x. happ (happ _0 N) x = happ N x) ==> (!P N M. happ P (h4/bool/LET (happ _0 N) M) <=> h4/bool/LET (happ (happ _1 P) N) M))
fof(aHLu_TRUTH, axiom, p(s(t_bool,t))).
fof(aHLu_FALSITY, axiom, ~ (p(s(t_bool,f)))).
fof(aHLu_BOOLu_CASES, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t) | s(t_bool,V_t) = s(t_bool,f))).
fof(aHLu_EXT, axiom, ![TV_Q292814,TV_Q292810]: ![V_f, V_g]: (![V_x]: s(TV_Q292810,happ(s(t_fun(TV_Q292814,TV_Q292810),V_f),s(TV_Q292814,V_x))) = s(TV_Q292810,happ(s(t_fun(TV_Q292814,TV_Q292810),V_g),s(TV_Q292814,V_x))) => s(t_fun(TV_Q292814,TV_Q292810),V_f) = s(t_fun(TV_Q292814,TV_Q292810),V_g))).
fof(ah4s_bools_LETu_u_THM, axiom, ![TV_u_27b,TV_u_27a]: ![V_x, V_f]: s(TV_u_27b,h4s_bools_let(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(TV_u_27a,V_x))) = s(TV_u_27b,happ(s(t_fun(TV_u_27a,TV_u_27b),V_f),s(TV_u_27a,V_x)))).
fof(ch4s_bools_LETu_u_RAND, conjecture, ![TV_u_27b,TV_u_27a]: ![V_uu_1]: (![V_P, V_N, V_x]: s(t_bool,happ(s(t_fun(TV_u_27a,t_bool),happ(s(t_fun(t_fun(TV_u_27a,TV_u_27b),t_fun(TV_u_27a,t_bool)),happ(s(t_fun(t_fun(TV_u_27b,t_bool),t_fun(t_fun(TV_u_27a,TV_u_27b),t_fun(TV_u_27a,t_bool))),V_uu_1),s(t_fun(TV_u_27b,t_bool),V_P))),s(t_fun(TV_u_27a,TV_u_27b),V_N))),s(TV_u_27a,V_x))) = s(t_bool,happ(s(t_fun(TV_u_27b,t_bool),V_P),s(TV_u_27b,happ(s(t_fun(TV_u_27a,TV_u_27b),V_N),s(TV_u_27a,V_x))))) => ![V_uu_0]: (![V_N, V_x]: s(TV_u_27b,happ(s(t_fun(TV_u_27a,TV_u_27b),happ(s(t_fun(t_fun(TV_u_27a,TV_u_27b),t_fun(TV_u_27a,TV_u_27b)),V_uu_0),s(t_fun(TV_u_27a,TV_u_27b),V_N))),s(TV_u_27a,V_x))) = s(TV_u_27b,happ(s(t_fun(TV_u_27a,TV_u_27b),V_N),s(TV_u_27a,V_x))) => ![V_P, V_N, V_M]: s(t_bool,happ(s(t_fun(TV_u_27b,t_bool),V_P),s(TV_u_27b,h4s_bools_let(s(t_fun(TV_u_27a,TV_u_27b),happ(s(t_fun(t_fun(TV_u_27a,TV_u_27b),t_fun(TV_u_27a,TV_u_27b)),V_uu_0),s(t_fun(TV_u_27a,TV_u_27b),V_N))),s(TV_u_27a,V_M))))) = s(t_bool,h4s_bools_let(s(t_fun(TV_u_27a,t_bool),happ(s(t_fun(t_fun(TV_u_27a,TV_u_27b),t_fun(TV_u_27a,t_bool)),happ(s(t_fun(t_fun(TV_u_27b,t_bool),t_fun(t_fun(TV_u_27a,TV_u_27b),t_fun(TV_u_27a,t_bool))),V_uu_1),s(t_fun(TV_u_27b,t_bool),V_P))),s(t_fun(TV_u_27a,TV_u_27b),V_N))),s(TV_u_27a,V_M)))))).
