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The theory of impetus [1] is an auxiliary or secondary theory of Aristotelian dynamics, put forth initially to explain projectile motion against gravity. It was introduced by John Philoponus in the 6th century, [ 2 ] [ 3 ] and elaborated by Nur ad-Din al-Bitruji at the end of the 12th century. [ 4 ]
Aristotelian physics is the form of natural philosophy described in the works of the Greek philosopher Aristotle (384–322 BC). In his work Physics, Aristotle intended to establish general principles of change that govern all natural bodies, both living and inanimate, celestial and terrestrial – including all motion (change with respect to place), quantitative change (change with respect to ...
However, if the cosmos had a beginning, Aristotle argued, it would require an efficient first cause, a notion that Aristotle took to demonstrate a critical flaw. [ 22 ] [ 23 ] [ 24 ] But it is a wrong assumption to suppose universally that we have an adequate first principle in virtue of the fact that something always is so ...
In sixth-century Europe John Philoponus, a Byzantine scholar, questioned Aristotle's teaching of physics and noted its flaws. He introduced the theory of impetus. Aristotle's physics was not scrutinized until Philoponus appeared; unlike Aristotle, who based his physics on verbal argument, Philoponus relied on observation.
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.
Despite the obvious similarities to more modern ideas of inertia, Buridan saw his theory as only a modification to Aristotle's basic philosophy, maintaining many other peripatetic views, including the belief that there was still a fundamental difference between an object in motion and an object at rest. Buridan also believed that impetus could ...
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.
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