# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:s(t_fun(X1,t_fun(X1,t_bool)),h4s_relations_inv(s(t_fun(X1,t_fun(X1,t_bool)),h4s_relations_inv(s(t_fun(X1,t_fun(X1,t_bool)),X2)))))=s(t_fun(X1,t_fun(X1,t_bool)),X2),file('i/f/relation/inv__inv', ch4s_relations_invu_u_inv)).
fof(2, axiom,![X3]:![X4]:![X5]:![X6]:(![X7]:s(X4,happ(s(t_fun(X3,X4),X5),s(X3,X7)))=s(X4,happ(s(t_fun(X3,X4),X6),s(X3,X7)))=>s(t_fun(X3,X4),X5)=s(t_fun(X3,X4),X6)),file('i/f/relation/inv__inv', aHLu_EXT)).
fof(4, axiom,![X1]:![X9]:![X7]:![X2]:s(t_bool,happ(s(t_fun(X1,t_bool),happ(s(t_fun(X1,t_fun(X1,t_bool)),h4s_relations_inv(s(t_fun(X1,t_fun(X1,t_bool)),X2))),s(X1,X7))),s(X1,X9)))=s(t_bool,happ(s(t_fun(X1,t_bool),happ(s(t_fun(X1,t_fun(X1,t_bool)),X2),s(X1,X9))),s(X1,X7))),file('i/f/relation/inv__inv', ah4s_relations_invu_u_DEF)).
# SZS output end CNFRefutation
