In mathematics, a bijection, or a bijective function is a function f from a set X to a set Y with the property that, for every y in Y, there is exactly one x in X such that
f(x) = y.
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Nine holes
Nine holes is a two-player abstract strategy game from different parts of the world and is centuries old. It was very popular in Englan...
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Nureongi (누렁이) and Hwangu (황구; 黃狗) are Korean terms meaning "Yellow Dog" used to refer to tannish mongrel or landrace of dog in... -
Three portions of the post-creole continuum : acrolect ( linguistics ) The variety of speech that is considered the standard form. m...
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