Pragmatic definitions of material incompatibility and two kinds of consequence: • Incompatibility of p and q: If S is committed to p, then S is not entitled to q. • Committive consequence: If S is committed to p, then S is committed to q. • Permissive consequence: If S is committed and entitled to p, then S is (prima facie) entitled to q. " And those who introduce the notion of connexion say th...