Philoponus : on Aristotle meteorology 1.4-9, 12 by John Philoponus, Inna Kupreeva

By John Philoponus, Inna Kupreeva

Of Philoponus' remark on the Meteorology simply that on chapters 1-9 and 12 of the 1st e-book has been preserved. it's translated during this sequence in volumes, the 1st protecting chapters 1-3; the second one (this quantity) chapters 4-9 and 12. the topics mentioned right here contain the character of fiery and lightweight phenomena within the sky, the formation of comets, the Milky approach, the houses of wet exhalation, and the formation of hail. Philoponus can pay designated cognizance to the excellence among the plain and the true one of the sky phenomena; he criticises Aristotle's thought of the Milky means as sublunary, and argues for its starting place within the heavenly realm; supplies an in depth exposition of Aristotelian concept of antiperistasis, mutual alternative of the new and the chilly, because the mechanism of condensation and similar approaches. As within the first quantity, Philoponus demonstrates scholarly erudition and familiarity with equipment and result of post-Aristotelian Greek technological know-how. regardless of the fragmented country of the paintings and the style of statement, the reader will locate the weather of a coherent photograph of the cosmos in line with a thorough re-thinking of Aristotelian meteorology and physics. the quantity might be of curiosity to all scholars of historic and medieval philosophy, historical past of Early glossy philosophy, background and philosophy of science.

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49. 342b27-29 (DK 59A 81, 68A92). 50. As Alexander points out, Pythagoreans treat the tail as a part of the comet, whereas for Hippocrates, it acquires the tail only when passing through humid areas of the sky (and this produces the impression of a tail) (27,1-11). Olympiodorus’ interpretation anachronistically emphasises the fact that the comet itself is made of the fifth body, while its tail is sublunary (45,28-30). 51. See Fig. 2 on p. 61 below and a detailed discussion of Hippocrates’ theory in Wilson 2008.

Prosphiloponôn at 88,20. Philoponus’ reading pro domo sua. Aristotle MSS, Alexander and Olympiodorus all have prospephiloneikêke (and so does the inset text in Philoponus V). 88,34. 343b29. ‘With planets’, read pros hautous instead of pros autous (perhaps a misprint). 92,28. 342b25. Reading ‘or’ (ê) with Philoponus manuscripts, as seems indicated by the context. Aristotle manuscripts have ‘and’ (kai), and so does Philoponus’ lemma at 75,9. Alexander has kai; Olympiodorus’ reading is unclear, but cf.

The items to be mentioned now [viz. the two kinds of exhalation] are the origin not only of those that have been enumerated,10 but also of all the conditions that arise in the sky, comets, thunderbolts, lightning and thunder-claps. He has already explained that the material cause of all things coming to be and perishing is the four elements. Since he now wants to explain the causes of [the processes] that arise in the sky (for although those [causes], as I said, are common to all things that come to be, yet still there is some sort of special matter for each of the things that differ in genus and [for each of the things that differ] in species; for when the form of the composite [substances] changes, their matter changes accordingly),11 there must also be some more common matter of all things that come to be in the sky which is the matter of all things undergoing coming to be and perishing, and another, more peculiar to the same things, but not to those that differ in species.

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