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Topic: Leodamas of Thasos
Replies: 2   Last Post: Sep 10, 1997 4:27 PM

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William C Waterhouse

Posts: 655
Registered: 12/3/04
Re: Leodamas of Thasos
Posted: Sep 10, 1997 3:26 PM
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Fulvia Furinghetti asked about Leodama of Thasos.

The entry in _Der Kleine Pauly_ seem to indicate that there are
only three surviving places where he is mentioned. Here they are:

Proclus, Commentary on the First Book of Euclid's Elements, 66:
"At this time [Plato's time] also lived Leodamas of Thasos,
Archytas of Tarentum, and Theaetetus of Athens, by whom the
theorems [of geometry] were increased in number and brought into
a more scientific arrangement. Younger than Leodamas was
Neoclides and his pupil Leon, who added many discoveries.
.... (67) Eudoxus of Cnidus, a little later than Leon, ..."
(transl. G. R. Morrow)

Proclus, op. cit., 211:
"Plato, it is said, taught this method [analysis] to Leodamas, who
is also reported to have made many discoveries in geometry by
means of it."

Diogenes Laertius 3, 24:
"He [Plato] was the first to explain to Leodamas of Thasos the
method of solving problems by analysis."

William C. Waterhouse
Penn State

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