# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:s(t_fun(X1,X2),h4s_combins_o(s(t_fun(X1,X2),X3),s(t_fun(X1,X1),h4s_combins_i)))=s(t_fun(X1,X2),X3),file('i/f/combin/I__o__ID_c1', ch4s_combins_Iu_u_ou_u_IDu_c1)).
fof(2, axiom,![X4]:![X5]:![X3]:![X6]:(![X7]:s(X5,happ(s(t_fun(X4,X5),X3),s(X4,X7)))=s(X5,happ(s(t_fun(X4,X5),X6),s(X4,X7)))=>s(t_fun(X4,X5),X3)=s(t_fun(X4,X5),X6)),file('i/f/combin/I__o__ID_c1', aHLu_EXT)).
fof(4, axiom,![X2]:![X1]:![X8]:![X7]:![X6]:![X3]:s(X2,happ(s(t_fun(X8,X2),h4s_combins_o(s(t_fun(X1,X2),X3),s(t_fun(X8,X1),X6))),s(X8,X7)))=s(X2,happ(s(t_fun(X1,X2),X3),s(X1,happ(s(t_fun(X8,X1),X6),s(X8,X7))))),file('i/f/combin/I__o__ID_c1', ah4s_combins_ou_u_THM)).
fof(5, axiom,![X1]:![X7]:s(X1,happ(s(t_fun(X1,X1),h4s_combins_i),s(X1,X7)))=s(X1,X7),file('i/f/combin/I__o__ID_c1', ah4s_combins_Iu_u_THM)).
# SZS output end CNFRefutation
