Robertus Anglicus
Robertus Anglicus
fl. 1200s
English scholar who produced a commentary on De sphaera by thirteenth-century English mathematician Sacrobosco. In Robertus's text, entitled Tractatus quadrantis vetus, he discussed a demonstration of the force of gravity using a millstone. Robertus also wrote Canons for the Astrolabe, later printed in 1478.
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astronomy.
Sacrobosco (also called John or Johannes Halifax… Rashi , Rashi
RASHI (Solomon ben Isaac ; 1040–1105), leading commentator on the Bible and Talmud.
His Life
Rashi was born at Troyes, France. (See Chart: Rash… Hypatia , Hypatia
HYPATIA
(d. Alexandria, 415), mathematical commentaries, philosophy. For the original article on Hypatia, see DSB, vol. 6.
Hypatia was the da… British English , BRITISH ENGLISH Short from BrE. The English language as used in Britain. The phrase contrasts with kinds of ENGLISH used elsewhere, and especially wi… Print , print / print/ • v. [tr.] (often be printed) 1. produce (books, newspapers, magazines, etc.), esp. in large quantities, by a mechanical process invol…
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Robertus Anglicus