Chapter

Possibilia and Possible Worlds

Ruth Barcan Marcus

in Modalities

Published in print August 1995 | ISBN: 9780195096576
Published online November 2003 | e-ISBN: 9780199833412 | DOI: http://dx.doi.org/10.1093/0195096576.003.0013
 Possibilia and Possible Worlds

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This paper examines claims that quantified modal logic trades on deep failures and confusions. In particular, it discusses the putative problem of failure of substitutivity of co‐referential terms in modal contexts, and the apparent commitment of modal semantics to possibilia. It concludes with a discussion of alternatives for a more adequate modal logic and its semantics, developing themes and proposals from earlier work.

Keywords: identity; indiscernibility; Kripke; modal semantics; possibilia; proper names; quantified modal logic; substitutivity

Chapter.  10557 words. 

Subjects: Philosophy

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