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# Hippasus of Metapontum

▪ Greek philosopher
flourished c. 500 BC

philosopher, early follower of Pythagoras, coupled by Aristotle with Heraclitus (Heracleitus) in identifying fire as the first element in the universe. Some traditions say that he was drowned after revealing a mathematical secret of the Pythagorean (Pythagoreanism) brotherhood.

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Universalium. 2010.

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• Hippasus of Metapontum — (6th c. BC) The member of the school of Pythagoras credited with having discovered irrational numbers. According to one legend the discovery was made during a voyage, and Hippasus was then either divinely punished by shipwreck, or perhaps thrown… …   Philosophy dictionary

• Hippasus of Metapontum — See Greek arithmetic, geometry and harmonics …   History of philosophy

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• Square root of 2 — The square root of 2, also known as Pythagoras constant, often denoted by:sqrt{2} or √2but can also be written as:2^{1/2},,is the positive real number that, when multiplied by itself, gives the number 2. Its numerical value approximated to 65… …   Wikipedia

• Irrational number — In mathematics, an irrational number is any real number that is not a rational number that is, it is a number which cannot be expressed as a fraction m / n , where m and n are integers, with n non zero. Informally, this means numbers that cannot… …   Wikipedia

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• Гиппас из Метапонта — (др. греч …   Википедия

• Number — For other uses, see Numbers (disambiguation). A number is a mathematical object used to count and measure. In mathematics, the definition of number has been extended over the years to include such numbers as zero, negative numbers, rational… …   Wikipedia