 Priest (1994) gives even firmer evidence to the similarity between the paradoxes of self-reference by showing that they all fit into what he originally called the Qualified Russell’s Schema, now termed the Inclosure Schema. The idea behind it goes back to Russell himself (1905) who also considered the paradoxes of self-reference to have a common underlying structure. Given two predicates predicates \(P\) and \(Q\), and a possibly partial function \(\delta\), the Inclosure Schema consists of the following two conditions: