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the claim
Epistemic closure means that if a subject knows P and knows that P entails Q, they know Q
the verdict
SUPPORTED
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Recorded sources
2 sources for · 0 against
AS REPORTEDno primary record reached; this is what the reporting says
Is it true that epistemic closure means that if a subject knows P and knows that P entails Q, they know Q?
Yes. Standard epistemological definitions confirm that epistemic closure is the principle that knowledge is closed under known logical entailment.
Verdict: SUPPORTED · 2 sources for, 0 against · Last checked
How claims like this are judged
Judged against reference works: claims of this kind are settled by reference works, not journal abstracts.
Evidence for · 2
Reference article covering this claim directly
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Wikipedia: Epistemic closure. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Epistemic_closure
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More for · 1
Provides formal specifications of epistemic closure matching the claim.
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Stanford Encyclopedia of Philosophy: Epistemic Closure. (n.d.). Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/entries/closure-epistemic/
Receipt History
first checked05 Aug 2026
judged → SUPPORTED · 6305 Aug 2026
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