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
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Words nearby rigid designator
right whale, right wing, righty, Rigi, rigid, rigid designator, rigid frame, rigidify, rigidity, rigidize, rigid motion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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