rigid designator
noun
logic an expression that identifies the same individual in every possible world: for example, "Shakespeare" is a rigid designator since it is possible that Shakespeare might not have been a playwright but not that he might not have been Shakespeare
Words nearby rigid designator
rightward, rightwards, righty, rigi, rigid, rigid designator, rigid frame, rigid motion, rigidify, rigidity, rigidize
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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