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the claim

Wittgenstein wrote both the Tractatus and Philosophical Investigations.

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SUPPORTED
the evidence backs this
Recorded sources
10 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 Wittgenstein wrote both the Tractatus and Philosophical Investigations?

Yes. A dictionary entry states Wittgenstein wrote two influential classics, the Tractatus and the posthumously published Philosophical Investigations, and other reference works attribute both books to him.

Verdict: SUPPORTED · 10 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 10
What Wittgenstein Wrote
1999
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What Wittgenstein Wrote. (1999). doi.org. https://doi.org/10.1007/978-94-017-1852-3_7

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More for · 9
Wittgenstein's Tractatus
1998
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Wittgenstein, L. (1998). Wittgenstein's Tractatus. books.google.com. http://books.google.com/books?id=_TwdAQAAMAAJ&dq=Wittgenstein+wrote+both+the+Tractatus+and+Philosophical+Investigations.&hl=&as_pt=BOOKS&source=gbs_api

Questions about the relationship between Wittgenstein's Philosophical Investigations and Tractatus
2019
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Questions about the relationship between Wittgenstein's Philosophical Investigations and Tractatus. (2019). philosophy.stackexchange.com. https://philosophy.stackexchange.com/questions/60558/questions-about-the-relationship-between-wittgensteins-philosophical-investigat

Ludwig Wittgenstein (Stanford Encyclopedia of Philosophy)
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Ludwig Wittgenstein (Stanford Encyclopedia of Philosophy). (n.d.). plato.stanford.edu. https://plato.stanford.edu/entries/wittgenstein/

Wittgenstein, Ludwig | Internet Encyclopedia of Philosophy
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Wittgenstein, Ludwig | Internet Encyclopedia of Philosophy. (n.d.). iep.utm.edu. https://iep.utm.edu/wittgens/

Tractatus Logico-Philosophicus - Wikipedia
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Tractatus Logico-Philosophicus - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Tractatus_Logico-Philosophicus

100 Years of ›Tractatus Logico-Philosophicus‹ – 70 Years after Wittgenstein’s Death
2025
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Heinrich-Ramharter, E., Pichler, A., & Stadler, F. (2025). 100 Years of ›Tractatus Logico-Philosophicus‹ – 70 Years after Wittgenstein’s Death. play.google.com. https://play.google.com/store/books/details?id=vRtJEQAAQBAJ&source=gbs_api

Wittgenstein's world-picture
2020
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Wittgenstein's world-picture. (2020). doi.org. https://doi.org/10.48336/z7gh-1e70

Wittgenstein — A Dictionary Entry
1991
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Wittgenstein — A Dictionary Entry. (1991). doi.org. https://doi.org/10.1007/978-1-349-21639-0_18

Ingeborg Bachmann’s Conception and Mediation of Wittgenstein’s Tractatus in the 1950s: Towards a Poetics of Silence
2026
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Ingeborg Bachmann’s Conception and Mediation of Wittgenstein’s Tractatus in the 1950s: Towards a Poetics of Silence. (2026). hal.science. https://hal.science/hal-05756247v1

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