Kripke's Naming and Necessity showed identity statements like 'water is H₂O' are necessary a posteriori

Image: Copy of Lysippos (?), Public domain, via Wikimedia Commons

Kripke's Naming and Necessity showed

Kripke's Naming and Necessity showed identity statements like 'water is H₂O' are necessary a posteriori

Related concepts

Nominalism

Nominalism claims only particular things exist, universals are just names

Principle of sufficient reason

Every contingent fact has a sufficient reason

Logical positivism

Logical positivism's verification principle claims only empirically verifiable statements are meaningful

the Upanishadic concept of Brahman-Atman identity claims

Brahman-Atman identity posits the individual self (Atman) is identical to ultimate reality (Brahman)

Cosmological argument

Universe's existence requires a First Cause

Rigid designator

Kripke's rigid designators refer to the same thing in all possible worlds

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