Analysis of information sources in references of the Wikipedia article "Kamāl al-Dīn al-Fārisī" in English language version.
The famous physicist and mathematician Kamal al-Din al-Farisi compiled a paper in which he set out deliberately to prove the theorem of Ibn Qurra in an algebraic way. This forced him to an understanding of the first arithmetical functions and to a full preparation which led him to state for the first time the fundamental theorem of arithmetic.
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