What did philoponus say about motion?
Philoponus said that a stone kept moving after it left the thrower’s hand because the hand had implanted movement into the stone by the action of throwing it. Philoponus’ concept of an implanted force is similar to the later concept of inertia found in Galileo’s work and in Newton’s First Law.
What was philoponus known for?
John Philoponus (Greek: /fɪˈlɒpənəs/; Ἰωάννης ὁ Φιλόπονος; c. 490 – c. 570), also known as John the Grammarian or John of Alexandria, was a Byzantine Greek philologist, Aristotelian commentator, Christian theologian and an author of a considerable number of philosophical treatises and theological works.
What does buridan say?
Buridan developed a theory of impetus by which the mover imparts to the moved a power, proportional to the speed and mass, which keeps it moving. In addition, he correctly theorized that resistance of the air progressively reduces the impetus and that weight can add or detract from speed.
What is Aristotle said?
It is impossible, Aristotle says, to be really good without wisdom or to be really wise without moral virtue. Only when correct reasoning and right desire come together does truly virtuous action result. Virtuous action, then, is always the result of successful practical reasoning.
What did Aristotle say about motion?
Summary: Basically, Aristotle’s view of motion is “it requires a force to make an object move in an unnatural” manner – or, more simply, “motion requires force” . After all, if you push a book, it moves. When you stop pushing, the book stops moving.
How did John Philoponus further develop Aristotle’s concept of projectile motion?
In the 6th century, John Philoponus partly accepted Aristotle’s theory that “continuation of motion depends on continued action of a force,” but modified it to include his idea that the hurled body acquires a motive power or inclination for forced movement from the agent producing the initial motion and that this power …
What did Thomas Aquinas think about the universe?
Aquinas was interested not in a beginning cause but in a sustaining cause, for he believed that the universe could be eternal—although he believed on the basis of revelation that it was not eternal. He constructed his cosmological arguments around the question of what sustains things in the universe in their existence.
Why did Jean Buridan reject the notion of a rotating Earth?
While rejecting the theory of the diurnal rotation of the earth, Buridan says that the earth is not immobile at the center of the world, and proves it as follows: Because the dry land protruding from the ocean is mostly on one side of the earth, the center of volume of the earth does not coincide with its center of …
What does a donkey between two haystacks mean?
It refers to a hypothetical situation wherein an ass that is equally hungry and thirsty is placed precisely midway between a stack of hay and a pail of water.
What was wrong with Aristotle’s theory of motion?
Nor was there a clear idea of motion in a vacuum, in fact most ancient Greek philosophers, including Aristotle, did not believe that vacuum exists. So he had to explain phenomena as they are observed, resistance and all, and without the benefit of experiments where different factors can be controlled for.
Who was John Philoponus?
John Philoponus, a Christian philosopher, scientist, and theologian who lived approximately from 490 to 570 CE, is also known as John the Grammarian or John of Alexandria. The epithet ‘Philoponus’ means literally ‘Lover of toil’. Philoponus’ life and work are closely connected to the city of Alexandria and the Alexandrian Neoplatonic school.
What is Philoponus about?
Significantly, Philoponus assimilates the supposed rotational impetus implanted by God into the celestial bodies to the rectilinear movements of the elements as well as to the self-movements of animals.
What is the best book on Philoponus?
–––. (1988) Matter, Space, and Motion, London: Duckworth, pp. 227–48. –––. (ed.) (1987) Philoponus and the Rejection of Aristotelian Science, London: Duckworth. Verbeke, G. (1985) “Levels of Human Thinking in Philoponus”.
Did Philoponus reconcile Christianity with Aristotelian philosophy?
Philoponus is often celebrated for having been one of the very first thinkers to reconcile Aristotelian philosophy with Christianity. To some extent, this is true, but crucially, his contemporaries must have taken a different view.