The theory of these objects was informally introduced through by Ruth Barcan Marcus in her 1961 article "Modalities in Intensional Language." David Kaplan presented a theory o
The theory of these objects was informally introduced through by Ruth Barcan Marcus in her 1961 article "Modalities in Intensional Language." David Kaplan presented a theory of these philosophical ideas in a lecture later published as "Dthat" shortly after they were formally introduced in a lecture series by their best-known popularizer. One of the uses of these philosophical concepts is to demonstrate the existence of necessary a posteriori propositions and contingent a priori propositions, and the inventor of this term proposed that proper names and natural kinds such as water are examples of these. Originally proposed in their best-known form in the lectures that became Naming and Necessity through the example of Hesperus and Phosphorus being the same object, for ten points, identify these philosophical concepts whose name was coined by Saul Kripke which refers to a description that has the same reference in every possible world.
The theory of these objects was informally introduced through by Ruth Barcan Marcus in her 1961 article "Modalities in Intensional Language."
rigid designator