law of identity

noun

The logical principle that anything equals itself, expressed by the symbolic equation A=A.

“The law of identity states that an apple is an apple.”

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Meanings

noun
  1. human sciencesThe logical principle that anything equals itself, expressed by the symbolic equation A=A.

    The law of identity states that an apple is an apple.

Cite this entry
APA

law of identity. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/law%20of%20identity

MLA

“law of identity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/law%20of%20identity. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “law of identity,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/law%20of%20identity.

Source: law of identity on Wiktionary, CC BY-SA 4.0.