| Stephen Chase - Geometry - 1847 - 28 pages
...priests. We next find it in Greece, among the philosophers and learned men ; — cultivated by Thaïes, Pythagoras, Plato, and their schools, and by Euclid,...geometrical knowledge ; the former, who lived about 550 В. С., being understood to have discovered that elegant proposition, which still bears his name,... | |
| Education - 1858 - 402 pages
...and at Luxor, for to Pythagoras himself is due the honor of discovering the fundamental propositions that the angle inscribed in a semi-circle is a right angle, and that the square of the hypothenuse in a right angle triangle is equal to the sum of the squares of... | |
| Philosophy - 2008 - 209 pages
...Arnauld raises an objection of this sort in Objections IV. Having imagined a person who is certain that the angle inscribed in a semicircle is a right angle (and therefore that the triangle formed by this angle and the circle's diameter is a right triangle), he... | |
| |