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the claim

Descartes' foundation of certainty is the statement I think, therefore I am.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Descartes' foundation of certainty is the statement I think, therefore I am?

Yes. Descartes established 'I think, therefore I am' (cogito, ergo sum) as the foundational certainty of his philosophy.

Verdict: SUPPORTED · 6 sources for, 0 against · Last checked

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Judged against reference works: claims of this kind are settled by the historical reference record, not journal abstracts.

Evidence for · 6
Wikipedia: René Descartes
Reference article covering this claim directly
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Wikipedia: René Descartes. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Ren%C3%A9_Descartes

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More for · 5
Wikipedia: Cogito, ergo sum
Reference article covering this claim directly
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Wikipedia: Cogito, ergo sum. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Cogito,_ergo_sum

Semantic Scholar peS2o: Pedagogical tools to explore Cartesian mind-body dualism in the classroom: philosophical arguments and neuroscience illusions
It explains that true certainty is reached through the doubting mind as cogito ergo sum ('I think, therefore I am').
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Semantic Scholar peS2o: Pedagogical tools to explore Cartesian mind-body dualism in the classroom: philosophical arguments and neuroscience illusions. (n.d.). Semantic Scholar peS2o. https://www.frontiersin.org/articles/10.3389/fpsyg.2015.01155/pdf

Wikibooks: Wikibooks: The Scientific Method/Rene Descartes' Method
It notes that Descartes originated the proposition 'I think, therefore I am' as an axiomatic principle to start from.
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Wikibooks: Wikibooks: The Scientific Method/Rene Descartes' Method. (n.d.). Wikibooks. https://en.wikibooks.org/wiki/The_Scientific_Method/Rene_Descartes'_Method

Wikisource: Wikisource: An Outline of Philosophy/Chapter 16
It mentions thinking as the primitive certainty in Descartes' philosophy.
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Wikisource: Wikisource: An Outline of Philosophy/Chapter 16. (n.d.). Wikisource. https://en.wikisource.org/wiki/An_Outline_of_Philosophy/Chapter_16

Wikiversity: Wikiversity: Understanding Misbelief/Facts Are Stubborn
It explicitly states that Descartes sought an undeniable fact using radical skepticism and found it in 'cogito ergo sum'.
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Wikiversity: Wikiversity: Understanding Misbelief/Facts Are Stubborn. (n.d.). Wikiversity. https://en.wikiversity.org/wiki/Understanding_Misbelief/Facts_Are_Stubborn

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