Rigid Designators and Descriptivism

Kripke distinguishes necessity and priority as two different categories: is a notion of epistemology, while metaphysics. Based on this fundamental argument, objects to Descriptivism, which takes certain properties the criteria identity across all possible worlds, he argues for legitimacy posteriori necessary truths. also criticizes Russell’s methods dealing with empty descriptions, puts forward modal world explain rigidity proper names. However, concept rigid designation faces some challenges, including admitting weak essentialism when rejects transworld identification, fact that truth value sentence containing designator may change.