De Re Language, De Re Eliminability, and the Essential Limits of Both

Author: Schwartz T.

Source: Journal of Philosophical Logic, Volume 26, Number 5, October 1997 , pp. 521-544(24)

Publisher: Springer

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Abstract:

De re modality is eliminable if there is an effective translation of all wffs into non-de re equivalents. We cannot have logical equivalence unless ‘logic’ has odd theses, but we can have material equivalence by banning all essences, something the non-de re facts let us do, or by giving everything such humdrum essences as self-identity and banning the more interesting ones. Eliminability cannot be got from weaker assumptions, nor independent ones of even modest generality. The net philosophical import is that, quite apart from the merits of essentialism, de re language has scant utility.

Keywords: logic; language; modal; de re; elimination; eliminability; Quine; essentialism

Language: English

Document Type: Regular paper

Affiliations: 1: Department of Political Science, UCLA, Los Angeles, CA 90095-1472, U.S.A.

Publication date: 1997-10-01