 In its earlier version the argument is merely that following Quine’s suggestion to interpret a language in which some expression is an I-predicate so that the I-predicate expresses classical identity sins against a highly intuitive methodological programme enunciated by Quine himself, namely that as our knowledge expands we should unhesitatingly expand our ideology, our stock of predicables, but should be much more wary about altering our ontology, the interpretation of our bound name variables (1972: 243).