User:Math site tester by nick/sandbox
Gödel's incompleteness theorems
Gödel's incompleteness theorems are two theorems in mathematical logic.
The quick version
Laconic
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Analogy
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Visuals

https://www.youtube.com/watch?v=HeQX2HjkcNo TODO: embed these as https://www.mediawiki.org/wiki/Extension:YouTube
https://www.youtube.com/watch?v=YrKLy4VN-7k
The visual here (and caveats described): https://math.stackexchange.com/questions/1319459/is-this-visual-analogy-to-g%C3%B6dels-incompleteness-theorem-accurate
Examples
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Longer Explanation
Historical Motivation
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Plain English
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Technical Definition
Technical
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Proof
TODO: add links to Godel's and proofs from https://arxiv.org/abs/1612.02549
Metamath
TODO: somebody fill the issue https://github.com/metamath/set.mm/issues/87, link resulting MM file.
Flashcards
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Practice Problems
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