law of identity

1
: one of three principles in logic:
2
: a statement (as "a house is a house") in which the subject and predicate are the same is true
3
: the copula in an identity affirms an existent of which the identity is true
4
: a statement of an identity is the expression of an abstract relation of identity symbolized by a term (as A in "A is A") that apparently refers in its separate instances to the subject and predicate respectively

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“Law of identity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/law%20of%20identity. Accessed 24 Apr. 2024.

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