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☆ Yσɠƚԋσʂ ☆@lemmy.ml to Mathematics@lemmy.ml · 3 years ago

A non-constructive proof of the Four Colour Theorem

arxiv.org

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A non-constructive proof of the Four Colour Theorem

arxiv.org

☆ Yσɠƚԋσʂ ☆@lemmy.ml to Mathematics@lemmy.ml · 3 years ago
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