Gibbs entropy formula S equals minus the sum of p ln p

the verdict

SUPPORTED

the evidence backs this

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2 sources for · 0 against

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AS REPORTEDno primary record reached; this is what the reporting says

Is it true that Gibbs entropy formula S equals minus the sum of p ln p?

Yes. The claim correctly reflects the mathematical formulation of Gibbs entropy (often up to a Boltzmann constant factor).

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked 4 Aug 2026

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Judged against reference works: claims of this kind are settled by reference works, not journal abstracts.

Evidence for · 2

Wikipedia: Entropy

Reference article covering this claim directly

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Wikipedia: Entropy. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Entropy

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More for · 1

Stanford Encyclopedia of Philosophy: Information Processing and Thermodynamic Entropy

Shows the Gibbs entropy formula utilizing the integral form of minus sum/integral p ln p.

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Stanford Encyclopedia of Philosophy: Information Processing and Thermodynamic Entropy. (n.d.). Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/entries/information-entropy/

Related receipts

Is it true that the sum of all positive integers equals negative one twelfth? REFUTED related question, same topic

Receipt History

first checked04 Aug 2026

judged → SUPPORTED · 7504 Aug 2026

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