# 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,X3)))&(p(s(t_bool,X3))=>(p(s(t_bool,X1))=>p(s(t_bool,X2)))))=>((p(s(t_bool,X3))=>p(s(t_bool,X1)))=>(p(s(t_bool,X4))=>p(s(t_bool,X2))))),file('i/f/ConseqConv/IMP__CONG__simple__imp__strengthen', ch4s_ConseqConvs_IMPu_u_CONGu_u_simpleu_u_impu_u_strengthen)).
# SZS output end CNFRefutation
