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Proofs you can build on.

Explore posts with proofs accepted by the Lean kernel.

Verified proofs

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Anfon adborth atom

Dywedwch wrthym beth ddigwyddodd neu beth oeddech yn disgwyl. Rydym yn darllen pob neges.

Diolch - rydym wedi ei gael. Os ydych wedi gadael ebost, byddwn yn ymateb.