File:Parallel_postulate_en.svg · Wikimedia Commons · See Wikimedia Commons
สัจพจน์เส้นขนาน
Sign in to saveAlso known as Euclid's fifth postulate, fifth postulate
axiom in Euclidean geometry
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Pythagorean theorem
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axiom
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Elements
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Diophantus of Alexandria
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non-Euclidean geometry
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Giovanni Girolamo Saccheri
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elliptic geometry
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mathematics in medieval Islam
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independence
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Rome
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Aristotle
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Archimedes
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number
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geometry
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Pythagoras
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Euclid
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Carl Friedrich Gauss
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arithmetic
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triangle
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Arthur Schopenhauer
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