Anderson and Belnap’s Invitation to Sin

Author: Urquhart Alasdair  

Publisher: Springer Publishing Company

ISSN: 0022-3611

Source: Journal of Philosophical Logic, Vol.39, Iss.4, 2010-08, pp. : 453-472

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Abstract

Quine has argued that modal logic began with the sin of confusing use and mention. Anderson and Belnap, on the other hand, have offered us a way out through a strategy of nominalization. This paper reviews the history of Lewis’s early work in modal logic, and then proves some results about the system in which “A is necessary” is intepreted as “A is a classical tautology.”