By Simplicius, Ian Mueller
Commenting at the finish of Aristotle On the Heavens publication three, Simplicius examines Aristotle's criticisms of Plato's conception of elemental chemistry within the Timaeus. Plato makes the features of the 4 parts depend upon the shapes of part corpuscles and finally at the association of the triangles which compose them. Simplicius preserves and criticizes the contributions made to the talk in misplaced works by means of different significant commentators, Alexander the Aristotelian, and Proclus the Platonist. In ebook four, Simplicius identifies fifteen objections by way of Aristotle to Plato's perspectives on weight within the 4 parts. He finishes ebook four by way of elaborating Aristotle's criticisms of Democritus' thought of weight within the atoms, together with Democritus' feedback in regards to the impact of atomic form on yes atomic motions.
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Additional resources for Simplicius : on Aristotle on the heavens 3.7-4.6
Plato himself says this:40 642,1 5 10 First of all, we see (or think we see) what we now call water become stone and earth when it is solidified, and this same thing again become wind and air when it is dissipated and separated, and air become fire when it is enflamed. And then, having talked about the converse direction of the same things, he adds:41 And so, as it appears, they pass on coming to be to one another in a circle. 15 34 20 25 30 643,1 5 10 15 Translation And so it is thought to be naïve to do violence to what is clear among perceptibles because of hypothesising undemonstrated principles, which is what Aristotle says turns out to be the case with these people, since, although speaking about the phenomena, they say things which do not agree with the phenomena.
And a square is brought to completion from the isosceles triangle (which Timaeus also calls a half-square) when four of them have their right angles brought together into one centre; when six such squares are joined together they produce the cube, which has eight angles,22 and is the element of earth. The half-triangle produces the pyramid, the octahedron, and the icosahedron, which are assigned to fire, air, and water. And the pyramid is composed from four equilateral triangles each of which is composed from six half-triangles, the octahedron from eight equilateral triangles and23 forty-eight half-triangles, the icosahedron from twenty equilateral triangles and one hundred and twenty half-triangles.
30 If what is said is can
Simplicius : on Aristotle on the heavens 3.7-4.6 by Simplicius, Ian Mueller