True and false are the only two truth values in classical logic

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SUPPORTED

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4 sources for · 0 against

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

Is it true that true and false are the only two truth values in classical logic?

Yes. Classical logic is bivalent, meaning that true and false are its only two truth values.

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

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Evidence for · 4

Wikipedia: Classical logic

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Wikipedia: Classical logic. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Classical_logic

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More for · 3

Wikipedia: Truth value

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Wikipedia: Truth value. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Truth_value

Wikipedia: Three-valued logic

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Wikipedia: Three-valued logic. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Three-valued_logic

Stanford Encyclopedia of Philosophy: Truth Values

Refers to the True and the False as Frege's classical values.

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Stanford Encyclopedia of Philosophy: Truth Values. (n.d.). Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/entries/truth-values/

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first checked04 Aug 2026

judged → SUPPORTED · 7504 Aug 2026

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