Places are still available in our Winter evening classes starting the week of Monday, 21 June, 2021. If you are new to Plato and philosophy, then we recommend for starters Reading Plato [BOOKINGS CLOSED]. Continuing students are challenged to go deeper into Platonic philosophy by reading Plato’s Sophist [BOOKED OUT]. Read more…
The Hellenic Museum and the Platonic Academy invite you to a talk on the many and varied ways that Plato and Platonism influenced the development of Christianity.
| 11 am, Saturday, 19 June 2021| Hellenic Museum | 280 William St, Melbourne | Pre-booking necessary | Tickets includes Museum entry |
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In Plato’s dialogue, Theaetetus (p. 147d), there is a cryptic description of a complicated geometrical diagram that the geometrician, Theodorus, drew for his students. Down through the centuries there has been much speculation about exactly what Theodorus was supposed to have drawn.
We know that it involved the roots of square areas in the natural number series up the area of 17, and so √17. But then at √17 Theodorus stopped, so we are told, because after that the diagram got ‘entangled’ (enescheto).
What happened after √17?
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