Concept

Law of identity

Overview

logic statement saying that each thing is the same as itself

Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).

Philosophers who discussed Law of identity

• Parmenides

Related ideas

• First-order logic
• Gottfried Wilhelm Leibniz
• Gilles Deleuze
• An Essay Concerning Human Understanding
• Waverley (novel)
• John Locke
• Law of noncontradiction
• Ludwig Wittgenstein
• Propositional logic
• Sir William Hamilton, 9th Baronet
• Parmenides
• Sense and reference
• Singular term
• Walter Scott
• Tractatus Logico-Philosophicus
• Term logic
• Logical form
• Wilhelm Wundt
• Duns Scotus
• Martin Heidegger
• George IV
• Meaning (philosophy)
• Bertrand Russell
• Tautology (logic)

Opposing perspectives

• Non-classical logic

Place in the tradition

Part of Analytic philosophy.

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