Leonid Zhmud The Origin of the History of Science in Classical Antiquity
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The Origin of the History of Science in
History of Geometry and the books of the Academics,
especially when the subject was Plato and his students. The passages about Plato and Philip could scarcely belong to Eudemus, but they might have been inserted into the Catalogue by a Neoplatonic redactor. Indeed, in the context of the Catalogue, which lists particular achievements in mathematics, Philip’s characteristics look rather odd: his foremost merit in mathematics is that he studied problems that he believed to be connected with Platonic philosophy! Such an assessment can hardly come from Eudemus. It is more natural, rather, to expect it from Philip’s Academic colleagues or from their Neoplatonic fol- lowers. 47 Evaluating the little that is known about Philip’s scientific work, one should admit that in the field of mathe¯mata Philip scarcely had any other achievements that could do honor to the Academy. 48 Plato occupies a central place in the second half of the Catalogue, and such a perspective, of course, brings it closer to the papyrus passage. But even then, it mentions only one mathematician as a pupil of Plato and says nothing about the posing of the problems. What is said about his contribution to the development of mathematics is supported with a reference to his dialogues, but not to his role as an ‘architect of science’. The author (or redactor) of the Catalogue uses more subtle means to express what is directly said in Philodemus: all the mathema- ticians of Plato’s time worked under his methodological supervision. This ef- fect is achieved mainly by situating all these mathematicians in the text be- tween Plato and Philip, the latter being described as a devoted student working in accordance with Plato’s instructions. Because of this circular arrangement, Plato’s figure overshadows those of his contemporaries. This impression is re- inforced by the constant emphasis on the close relationship between Plato and 47 The similarity of characteristics the Catalogue attributes to Philip and Euclid points to a Neoplatonic redactor rather than to an Academic author. See below, 182. 48 See below, 102 f. Chapter 3: Science in the Platonic Academy 92 the mathematicians: some ‘lived at the time of Plato’, others ‘communicated with him’ or ‘were his students’, and still others ‘were friends of his students’, etc. Since for our present analysis it is not very important whether this perspec- tive derives from the early or from the later Platonists, I would propose the fol- lowing approach to the second part of the Catalogue. If, in spite of its clear bias, it does not specifically mention that someone was a pupil of Plato or that he worked at the Academy, this fact was unknown in the late fourth century BC. It seems very unlikely that Porphyry or Proclus would have omitted such a fact, had they found it in an Academic or Peripatetic source. The first three mathematicians of Plato’s time mentioned here are Leodamas of Thasos, Archytas, and Theaetetus. Nothing is said about their connection with the Academy or about their personal relationships with Plato. Since the chronology in this part of the Catalogue is very accurate, one can suggest that Leodamas was the oldest of the three, or at least that he was not younger than Archytas. It is with him that Lasserre begins his collection of sources concern- ing the ‘Academic mathematicians’, although there is absolutely no evidence that Leodamas worked at the Academy. 49 The only thing linking him with Plato is Favorinus’ (second century AD) statement, repeated with some hesitation by Proclus, that Plato taught him a method of analysis 50 and the pseudo-Platonic 11 th letter addressed to a certain Leodamas. But then why should not Archytas be included in this collection as well? After all, there is much more evidence concerning him: we have Plato’s authentic 7 th letter that mentions the help he gave to Plato, Eratosthenes’ evidence, and the fact that Archytas (but not Leo- damas!) occurs in several lists of Plato’s students. 51 Certainly, Archytas, unlike Leodamas, was too independent a figure to be easily turned into an Academic mathematician (moreover, he was known as a Pythagorean). But this is not easy to do with Leodamas himself, either. Even if Leodamas was the same age as Archytas (born ca. 435/430), 52 then at the time the Meno was written (ca. 385/380) – the first dialogue where Plato shows an interest in mathematics and gives, in particular, a description of the method ëx ûpoqésew~ (86e–87c), 49 Fritz, K. von. Leodamas, Download 1.41 Mb. Do'stlaringiz bilan baham: |
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