# 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,X1))))&(~(p(s(t_bool,X1)))=>(p(s(t_bool,X3))=>p(s(t_bool,X4)))))=>((p(s(t_bool,X4))=>p(s(t_bool,X2)))=>(p(s(t_bool,X3))=>p(s(t_bool,X1))))),file('i/f/ConseqConv/IMP__CONG__imp__weaken', ch4s_ConseqConvs_IMPu_u_CONGu_u_impu_u_weaken)).
# SZS output end CNFRefutation
