Author	Marcus, Ruth Barcan
Title	Modalities [electronic resource] : philosophical essays / Ruth Barcan Marcus
Imprint	New York ; Oxford : Oxford University Press, 1993
Connect to	http://dx.doi.org/10.1093/0195096576.001.0001
Descript	1 online resource (xiv, 266 p.) : ill

These papers cover important themes such as extensionality, the necessity of identity, the conception of proper names as 'tags', essentialism, substitutional quantification, and possibilia and possible worlds. What emerges from them is a robust defence of quantified modal logic in the light of a host of objections, particularly from Quine

1. Metaphysics
2. Ontology
3. Language and logic
4. Modality (Logic)