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Many times in math the same letter or symbol may be used to annotate different things. As an example:

  • P is used in statistics to denote Probability.
    For instance P("a single coin flip turns out to be head") = 1/2
  • P may be used as a general name for a Polynomial
    For instance P1(x)=x2 ; P2(x)=2x+x3

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15y ago

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