%   ORIGINAL: h4/rich__list/NOT__SNOC__NIL
% 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/EQ__SYM__EQ: !y x. x = y <=> y = x
% Assm: h4/rich__list/NOT__NIL__SNOC: !x l. ~(h4/list/NIL = h4/list/SNOC x l)
% Goal: !x l. ~(h4/list/SNOC x l = h4/list/NIL)
%   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_EQu_u_SYMu_u_EQ]: !y x. x = y <=> y = x
% Assm [h4s_richu_u_lists_NOTu_u_NILu_u_SNOC]: !x l. ~(h4/list/NIL = h4/list/SNOC x l)
% Goal: !x l. ~(h4/list/SNOC x l = h4/list/NIL)
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_Q157983,TV_Q157979]: ![V_f, V_g]: (![V_x]: s(TV_Q157979,happ(s(t_fun(TV_Q157983,TV_Q157979),V_f),s(TV_Q157983,V_x))) = s(TV_Q157979,happ(s(t_fun(TV_Q157983,TV_Q157979),V_g),s(TV_Q157983,V_x))) => s(t_fun(TV_Q157983,TV_Q157979),V_f) = s(t_fun(TV_Q157983,TV_Q157979),V_g))).
fof(ah4s_bools_EQu_u_SYMu_u_EQ, axiom, ![TV_u_27a]: ![V_y, V_x]: (s(TV_u_27a,V_x) = s(TV_u_27a,V_y) <=> s(TV_u_27a,V_y) = s(TV_u_27a,V_x))).
fof(ah4s_richu_u_lists_NOTu_u_NILu_u_SNOC, axiom, ![TV_u_27a]: ![V_x, V_l]: ~ (s(t_h4s_lists_list(TV_u_27a),h4s_lists_nil) = s(t_h4s_lists_list(TV_u_27a),h4s_lists_snoc(s(TV_u_27a,V_x),s(t_h4s_lists_list(TV_u_27a),V_l))))).
fof(ch4s_richu_u_lists_NOTu_u_SNOCu_u_NIL, conjecture, ![TV_u_27a]: ![V_x, V_l]: ~ (s(t_h4s_lists_list(TV_u_27a),h4s_lists_snoc(s(TV_u_27a,V_x),s(t_h4s_lists_list(TV_u_27a),V_l))) = s(t_h4s_lists_list(TV_u_27a),h4s_lists_nil))).
