# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:(~(p(s(t_bool,h4s_sums_isr(s(t_h4s_sums_sum(X1,X2),X3)))))<=>p(s(t_bool,h4s_sums_isl(s(t_h4s_sums_sum(X1,X2),X3))))),file('i/f/sum/NOT__ISR__ISL', ch4s_sums_NOTu_u_ISRu_u_ISL)).
fof(66, axiom,![X1]:![X2]:![X3]:(~(p(s(t_bool,h4s_sums_isl(s(t_h4s_sums_sum(X1,X2),X3)))))<=>p(s(t_bool,h4s_sums_isr(s(t_h4s_sums_sum(X1,X2),X3))))),file('i/f/sum/NOT__ISR__ISL', ah4s_sums_NOTu_u_ISLu_u_ISR)).
# SZS output end CNFRefutation
