# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:![X4]:~(s(t_h4s_sums_sum(X2,X1),h4s_sums_inr(s(X1,X3)))=s(t_h4s_sums_sum(X2,X1),h4s_sums_inl(s(X2,X4)))),file('i/f/sum/sum__distinct1', ch4s_sums_sumu_u_distinct1)).
fof(6, axiom,![X2]:![X1]:![X3]:![X4]:~(s(t_h4s_sums_sum(X2,X1),h4s_sums_inl(s(X2,X4)))=s(t_h4s_sums_sum(X2,X1),h4s_sums_inr(s(X1,X3)))),file('i/f/sum/sum__distinct1', ah4s_sums_sumu_u_distinct)).
# SZS output end CNFRefutation
