Template:Are You Sure/February 18: Difference between revisions

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• ... that physician, astronomer, and mathematician '''[[Thābit ibn Qurra (nonfiction)|Thābit ibn Qurra]]''' Thabit rejected the Peripatetic and Aristotelian notions of a "natural place" for each element, and that Thābit instead proposed a theory of motion in which both the upward and downward motions are caused by weight, with the order of the universe a result of two competing attractions (''jadhb''): one of these being "between the sublunar and celestial elements", and the other being "between all parts of each element separately"?
• ... that physician, astronomer, and mathematician '''[[Thābit ibn Qurra (nonfiction)|Thābit ibn Qurra]]''' Thabit rejected the Peripatetic and Aristotelian notions of a "natural place" for each element, and that Thābit instead proposed a theory of motion in which both the upward and downward motions are caused by weight, with the order of the universe a result of two competing attractions (''jadhb''): one of these being "between the sublunar and celestial elements", and the other being "between all parts of each element separately"?
• ... that mathematician  cryptographer, diplomat, translator, and alchemist '''[[Blaise de Vigenère (nonfiction)|Blaise de Vigenère]]''' invented an autokey cipher in 1586, but that the similar yet distinct "Vigenère cipher" was in fact first described by '''[[Giovan Battista Bellaso (nonfiction)|Giovan Battista Bellaso]]''' in his 1553 book ''La cifra del. Sig. Giovan Battista Bellaso'', being misattributed to de Vigenère in the 19th century?

Revision as of 11:25, 8 February 2022

• ... that physician, astronomer, and mathematician Thābit ibn Qurra Thabit rejected the Peripatetic and Aristotelian notions of a "natural place" for each element, and that Thābit instead proposed a theory of motion in which both the upward and downward motions are caused by weight, with the order of the universe a result of two competing attractions (jadhb): one of these being "between the sublunar and celestial elements", and the other being "between all parts of each element separately"?

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