Critical discussion of Quine's concepts of purely referential occurrence/position. It is argued from the perspective of a Russellian view of truth that existential generalization and substitutivity of identity are non-equivalent tests for referential occurrence/position, and that the former rather than the latter is the appropriate test.

Critical discussion of Quine's concepts of purely referential occurrence/position. It is argued from the perspective of a Russellian view of truth that existential generalization and substitutivity of identity are non-equivalent tests for referential occurrence/position, and that the former rather than the latter is the appropriate test.