supergee: (pythagoras)
2018-11-21 06:35 am
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Mathematical proofs small enough to fit on Twitter

Every odd integer is the difference of 2 squares.

Thanx to Slate Star Codex
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supergee: (pythagoras)
2015-08-12 05:45 am
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But can you trap Yog Sothoth in them?

Covering the plane with pentagons

Thanx to Metafilter
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