Non-existence does not exist
Routley (Richard)
Source: Notre Dame J. Formal Logic 11, no. 3 (1970), 289–320
Paper - Abstract

Paper Summary

Philosophers Index Abstract

    The main topics considered are criteria for the identity of individuals, and criteria for the existence of properties and of propositions. Other topics treated incidentally include: an extended sentential logic designed to take care of certain semantical paradoxes and truth-value gaps by allowing for statement-incapable (non-truth valued) sentences; axiomatisations of second order quantified modal logics and their various commitments; the identity of propositions and of properties; and certain problems concerning the existence of relations. The theory of identity extends to second-order of the theory of contingent and strict identities. Some interpretational difficulties for the logical theory are sketched. A detailed but inconclusive assessment, both logical and philosophical, is made of rival criteria for the existence of properties.

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