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The theory of impetus is an auxiliary or secondary theory of Aristotelian dynamics, put forth initially to explain projectile motion against gravity. Aristotelian dynamics of forced (in antiquity called “unnatural”) motion states that a body only moves when a force is constantly driving it.
John Philoponus (Greek: / f ɪ ˈ l ɒ p ə n ə s /; Ἰωάννης ὁ Φιλόπονος, Ioánnis o Philóponos; c. 490 – c. 570), also known as John the Grammarian or John of Alexandria, was a Coptic Miaphysite [1] philologist, Aristotelian commentator and Christian theologian from Alexandria, Byzantine Egypt, who authored a number of philosophical treatises and theological works.
Jean Buridan (/ ˈ b j ʊər ɪ d ən /; [9] French:; Latin: Johannes Buridanus; c. 1301 – c. 1359/62) was an influential 14th‑century French philosopher.. Buridan taught in the faculty of arts at the University of Paris for his entire career and focused in particular on logic and on the works of Aristotle.
6th century - John Philoponus introduces the concept of impetus [3] and The theory was modified by Avicenna in the 11th century and Ibn Malka al-Baghdadi in the 12th century; 6th century - John Philoponus says that by observation, two balls of very different weights will fall at nearly the same speed. He therefore tests the equivalence principle
Three stage theory of impetus according to Albert von Sachsen. Albert of Saxony's teachings on logic and metaphysics were extremely influential. The theory of impetus introduced a third stage to the two stage theory of John Philoponus. [3] Initial stage. Motion is in a straight line in direction of impetus which is dominant while gravity is ...
If marriage, reproduction, or love are not involved, almost all sexual behavior is considered bad. Related to sex negativity is the fallacy of the misplaced scale. Rubin explains how sex acts are troubled by an excess of significance. Rubin's discussion of all of these models assumes a domino theory of sexual peril.
Augustus Edward Hough Love FRS [1] (17 April 1863, Weston-super-Mare – 5 June 1940, Oxford), often known as A. E. H. Love, was a mathematician famous for his work on the mathematical theory of elasticity.
The theory of motion presented by Avicenna was probably influenced by the 6th-century Alexandrian scholar John Philoponus. Avicenna's is a less sophisticated variant of the theory of impetus developed by Buridan in the 14th century. It is unclear if Buridan was influenced by Avicenna, or by Philoponus directly. [103]