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# The measurement of the circle in Naṣīr al-Dīn al-Ṭūsī's Revision of the 'middle books' (Taḥrīr al- mutawassiṭāt)

Lit L.W. Cornelis

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<dc:creator>Lit L.W. Cornelis</dc:creator>
<dc:date>2020-04-19</dc:date>
<dc:description>The mathematical treatises known as Taḥrīr al-mutawassiṭāt, “Revision of the Middle

books”, are a collection of Greek and Arabic treatises which were re-edited by Naṣīr

al-Dīn al-Ṭūsī. This paper explores the nature of the editorial work Ṭūsī did, showing

that it is not a simple rendering of the original text but that it involves major

revisions and in fact original additions. For the first time, a collated version of

Ṭūsī’s revision on the treatise on the measurement of the circle (by Archimedes) is

provided. A translation of the Arabic text is put side by side with a rendition of the

treatise as it was circulated before Ṭūsī’s time. An in-depth analysis of the text

elucidates the nature of Ṭūsī’s contributions to the text. This article also provides

modest corrections to earlier studies by W. R. Knorr and P. Luckey.</dc:description>
<dc:identifier>https://zenodo.org/record/3757147</dc:identifier>
<dc:identifier>10.5281/zenodo.3757147</dc:identifier>
<dc:identifier>oai:zenodo.org:3757147</dc:identifier>
<dc:relation>doi:10.5281/zenodo.3757146</dc:relation>
<dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
<dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
<dc:title>The measurement of the circle in Naṣīr al-Dīn al-Ṭūsī's Revision of the 'middle books' (Taḥrīr al- mutawassiṭāt)</dc:title>
<dc:type>info:eu-repo/semantics/article</dc:type>
<dc:type>publication-article</dc:type>
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