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tautology

tautology In this historical source, a tautology is a statement that is true only because it restates the same relation in different words, without adding any concrete information.

In this historical source, a tautology is a statement that is true only because it restates the same relation in different words, without adding any concrete information. It is used to criticize formulas like “identity in difference” when they do not specify what the actual likenesses or differences are.

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Identity (in metaphysics)” (Identitym).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “tautology.” Development preview.

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tautology

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Sources

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