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De Gradibus was an Arabic book published by the Arab physician Al-Kindi (c. 801–873 CE). De gradibus is the Latinized name of the book. An alternative name for the book was Quia Primos. [1] In De Gradibus, Al-Kindi attempts to apply mathematics to pharmacology by quantifying the strength of drugs.
an anonymous De gradibus opening at fol. 49rb, " De gradibus primo quid sint, secundo quot sint videamus . . A degree is defined as the measure of distemperance of each quality, and the number of degrees is stated as four. Nine complexiones are assumed: one equal, that is, temperate, the
The contents are: (i) translation, by Constantinus Africanus, of 'De gradibus simplicium' by Isaac and the end of an unidentified work, with recipes added in later hands; (ii) Gerard, 'De modo medendi', with recipes and notes added by later hands; (iii) a work on digestion; (iv) seven works on medical subjects; (v) the end of an unidentified ...
The most revealing of these earliest writings de gradibus is the anonymous work known from its incipit as Apud antiquos^ which for some reason has not been published before, though it exists in at least three copies.
De gradibus, translated as 'on degrees,' refers to a concept in medieval philosophy and science that relates to the classification and hierarchy of knowledge, particularly in the context of understanding natural phenomena.
De Gradibus was an Arabic book published by the Arab physician Al-Kindi (c. 801–873 CE). De gradibus is the Latinized name of the book. An alternative name for the book was Quia Primos.
None the less, literary and iconographical sources are among those which may still have something to reveal about ‘the face of performance’ (to coin a phrase after Keegan's own), and the purpose of this article is to examine the contents of one that has been unjustly neglected: the Tractatulus de differentiis et gradibus cantorum by Arnulf de St Ghislain. This brief treatise classifies the ...
