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IBN AL-HAYTHAM ET LE MOUVEMENT D'ENROULEMENT
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AbstractIn the Almagest, Ptolemy proposed the concept of winding motion, especially to explain planetary latitudes. Ibn al-Haytham (beginning 11th c.) wrote a treatise entitled Fī ḥarakat al-iltifāf, “Concerning the winding motion”. An anonymous scholar wrote a refutation of this treatise. Both texts have been lost; but the answer of Ibn al-Haytham has survived: Fī ḥall šukūk ḥarakat al-iltifāf, “The resolution of doubts concerning the winding motion”. There he reminds us of his model and gives us a more detailed explanation. We give here a critical edition, translation and commentary of this answer, as well as an edition and translation of some related excerpts from Ptolemy's Planetary Hypotheses and Quṭb al-Dīn al-Shīrāzī’s Nihāyat al-idrāk (13th c.).
Title: IBN AL-HAYTHAM ET LE MOUVEMENT D'ENROULEMENT
Description:
AbstractIn the Almagest, Ptolemy proposed the concept of winding motion, especially to explain planetary latitudes.
Ibn al-Haytham (beginning 11th c.
) wrote a treatise entitled Fī ḥarakat al-iltifāf, “Concerning the winding motion”.
An anonymous scholar wrote a refutation of this treatise.
Both texts have been lost; but the answer of Ibn al-Haytham has survived: Fī ḥall šukūk ḥarakat al-iltifāf, “The resolution of doubts concerning the winding motion”.
There he reminds us of his model and gives us a more detailed explanation.
We give here a critical edition, translation and commentary of this answer, as well as an edition and translation of some related excerpts from Ptolemy's Planetary Hypotheses and Quṭb al-Dīn al-Shīrāzī’s Nihāyat al-idrāk (13th c.
).
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