Rigid Designators

[Revised entry by Joseph LaPorte on February 11, 2016. Changes to: Main text, Bibliography, StipIdTrans.html, notes.html] A rigid designator designates the same object in all possible worlds in
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[Revised entry by Joseph LaPorte on February 11, 2016. Changes to: Main text, Bibliography, StipIdTrans.html, notes.html] A rigid designator designates the same object in all possible worlds in which that object exists and never designates anything else. This technical concept in the philosophy of language has critical consequences felt throughout philosophy. In their fullest generality, the consequences are metaphysical and epistemological. Whether a statement's designators are rigid or non-rigid may determine whether it is necessarily true, necessarily false, or contingent. This metaphysical status is sometimes out of accord with what one would...

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News source: Stanford Encyclopedia of Philosophy

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