Description

Thales of Miletus, considered as the first philosopher in the Greek tradition, uses deductive reasoning applied to geometry for the first time to prove the Thales' theorem

Location

Ancient Greece

Rate

Very important (8)

Sphere

Science

Quotations

In a circle the angle in the semicircle is right, that in a greater segment less than a right angle, and that in a less segment greater than a right angle; and further the angle of the greater segment is greater than a right angle, and the angle of the less segment less than a right angle.

Euclid's Elements

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