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  • ...er of ways that the mathematicians may be split between the two rooms is a power of two (i.e., is of the form <math>2^k</math> for some positive integer <ma ...s its own [[inverse]], there is the identity, and the operation is clearly associative and commutative (because it's equivalent to addition of n-dimensional vecto
    13 KB (2,414 words) - 13:37, 11 July 2016
  • is an element of a (strictly [[power associative]]) <math>n</math>-dimensional when <math>A</math> is [[associative]].
    8 KB (1,345 words) - 23:31, 8 May 2020