 Euclid (source code)

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= Euclid
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{wiki}

= Euclid of Alexandria
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<Euclid> was a <mathematician> associated with Alexandria around 300 BCE. His <Euclid's Elements> organized <geometry> and <number theory> into definitions, assumptions and chains of <proofs>, drawing together earlier results as well as material attributed to him. Very little reliable biographical information survives, so the familiar portraits are later imagined likenesses.https://mathshistory.st-andrews.ac.uk/Biographies/Euclid/[Biography, evidence for dating and composition of the Elements]{ref} The lasting attraction of the <Euclid's Elements> is its deductive structure: a construction or <mathematical theorem> becomes reusable in subsequent <proofs>, rather than remaining an isolated calculation. Its <Euclidean algorithm> and proof that there are infinitely many <prime numbers> remain basic tools of <number theory>.

\Image[https://upload.wikimedia.org/wikipedia/commons/b/b2/Euclid_by_Andre_Thevet_1584.webp]
{title=Portrait of <Euclid>}
{description=Later imagined depiction dated 1584, identified on https://commons.wikimedia.org/wiki/File:Euclid_by_Andre_Thevet_1584.webp[Wikimedia Commons]. This is not an authentic likeness from antiquity; Commons identifies the artwork as public domain.}
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