-relational::relational(const ex & lhs, const ex & rhs, operators oper) : basic(TINFO_relational), lh(lhs), rh(rhs), o(oper) {}
+relational::relational(const ex & lhs, const ex & rhs, operators oper) : basic(&relational::tinfo_static), lh(lhs), rh(rhs), o(oper) {}