[astronomy] Commensurability is the property of two orbiting objects, such as planets, satellites, or asteroids, whose orbital periods are in a rational proportion. Examples include the 2:3 commensurability between the orbital periods of Neptune and Pluto, the 3:4 commensurability between the orbital periods of the Saturnian satellites Tita...
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http://en.wikipedia.org/wiki/Commensurability_(astronomy)
[ethics] In ethics, two values (or norms, reasons, or goods) are incommensurable when they do not share a common standard of measurement. Philosophers argue over the precise nature of value incommensurability, and discussions do not always exhibit a consistent terminology. It is frequently said that two values are incommensurable if and onl...
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http://en.wikipedia.org/wiki/Commensurability_(ethics)
[mathematics] In mathematics, two non-zero real numbers a and b are said to be commensurable if a/b is a rational number. ==History of the concept== The Pythagoreans are credited with the proof of the existence of irrational numbers. When the ratio of lengths of two line segments is irrational, the line segments are also described as being ...
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http://en.wikipedia.org/wiki/Commensurability_(mathematics)
[philosophy of science] Commensurability is a concept, in philosophy of science, whereby scientific theories are commensurable if scientists can discuss them in terms permitting direct comparison of theories to determine which theory is truer. On the other hand, theories are incommensurable if they are embedded in starkly contrasting concep...
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http://en.wikipedia.org/wiki/Commensurability_(philosophy_of_science)
is the property of two objects orbiting the same body whose periods are in a rational proportion. For example, the orbital period of Saturn around the Sun is very nearly 5/2 the orbital period of Jupiter.
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http://en.wikipedia.org/wiki/Glossary_of_astronomy
• (n.) The quality of being commensurable.
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http://thinkexist.com/dictionary/meaning/commensurability/
Com·men`su·ra·bil'i·ty noun [ Confer French
commensurabilité .] The quality of being commensurable.
Sir T. Browne. Found on
http://www.encyclo.co.uk/webster/C/116
No exact match found.
