# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:![X4]:![X5]:![X6]:![X7]:s(t_fun(X3,X1),h4s_combins_o(s(t_fun(X2,X1),X7),s(t_fun(X3,X2),h4s_combins_o(s(t_fun(X4,X2),X6),s(t_fun(X3,X4),X5)))))=s(t_fun(X3,X1),h4s_combins_o(s(t_fun(X4,X1),h4s_combins_o(s(t_fun(X2,X1),X7),s(t_fun(X4,X2),X6))),s(t_fun(X3,X4),X5))),file('i/f/combin/o__ASSOC', ch4s_combins_ou_u_ASSOC)).
fof(2, axiom,![X1]:![X4]:![X2]:![X6]:![X7]:![X8]:s(X1,happ(s(t_fun(X2,X1),h4s_combins_o(s(t_fun(X4,X1),X7),s(t_fun(X2,X4),X6))),s(X2,X8)))=s(X1,happ(s(t_fun(X4,X1),X7),s(X4,happ(s(t_fun(X2,X4),X6),s(X2,X8))))),file('i/f/combin/o__ASSOC', ah4s_combins_ou_u_DEF)).
fof(3, axiom,![X9]:![X10]:![X7]:![X6]:(![X8]:s(X10,happ(s(t_fun(X9,X10),X7),s(X9,X8)))=s(X10,happ(s(t_fun(X9,X10),X6),s(X9,X8)))=>s(t_fun(X9,X10),X7)=s(t_fun(X9,X10),X6)),file('i/f/combin/o__ASSOC', aHLu_EXT)).
# SZS output end CNFRefutation
