# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:![X4]:((~(p(s(t_bool,X4)))<=>p(s(t_bool,X2)))=>((~(p(s(t_bool,X3)))<=>p(s(t_bool,X1)))=>(~((p(s(t_bool,X4))|p(s(t_bool,X3))))<=>(p(s(t_bool,X2))&p(s(t_bool,X1)))))),file('i/f/HolSmt/NNF__DISJ', ch4s_HolSmts_NNFu_u_DISJ)).
# SZS output end CNFRefutation
