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Ancilla to the Pre-Socratic Philosophers, by Kathleen Freeman, [1948], at


Thales of Milêtus was in his prime about 585 B.C.

Whether he ever wrote a book is unknown; if he did, no genuine fragment survives,.

1. (Title: 'Nautical Astronomy').

2. (There are two Hyades, one north and one south).

p. 19

Late forgery

3. The much-discussed four substances—of which we say the chief is Water, making it as it were the one Element—by combination and solidification and coagulation of the substances in the universe mingle with one another. In what way, I have already explained in Book One.

4. (Titles: 'On the Solstice'. 'On the Equinox').

Next: 12. Anaximander of Milêtus