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Thales, Hinkov, Toni; Chen, Zhi; Nazarov, Vladimir; Angelova, Greta; 10/4 …
Thales
Interesting facts
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theorems: (1) that a circle is bisected by its diameter,
(2) that angles in a triangle opposite two sides of equal length are equal,
(3) that opposite angles formed by intersecting straight lines are equal,
(4) that the angle inscribed inside a semicircle is a right angle, and
(5) that a triangle is determined if its base and the two angles at the base are given
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"Space is the greatest thing, it contains all things."
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Biography
Possible stories
585 BC - predicted an eclipse of the sun, which prevented a battle between the kings of Lydia and Media
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He helped the Lydian army to cross the bridge across the Halys River by finding an engineering solution
Thales liked looking at the stars so much, that he fell into a well
Aristotle claims that Thales could predict when there would be a record crop of olives by using his knowledge of weather, which made him rich
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"The true father of Greek math, science, and the study of the fundamental nature of knowledge"
World explanation
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The natural universe is a unity, in that all of it can be explained by one or more simple principles
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The natural world is not simply as it appears but must be understood in terms of a true nature that differs from that appearance.
Sources
Evans, Stephen C. The Natural World Is Not Simply as It Appears but Must Be Understood in Terms of a True Nature That Differs from That Appearance. IVP Academic, 2018.
Graham, Jacob. Internet Encyclopedia of Philosophy, iep.utm.edu/presocra/.
“Thales of Miletus.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/biography/Thales-of-Miletus.
Arché
Thales is the first one in ancient Greece to raise the philosophical question of "what is the arché" :
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Hinkov, Toni; Chen, Zhi; Nazarov, Vladimir; Angelova, Greta; 10/4
