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Homework Help: A function restricted to

  1. Oct 27, 2008 #1
    a function "restricted to"

    What is the symbol for "restricted to" -- as in f restricted to A

    where f is a function and A is some set.

    [tex]f_{2} \mid_{X_{1}} = f_{1}[/tex] says "f2 restricted to X1 equals f1.
  2. jcsd
  3. Oct 27, 2008 #2


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    Re: a function "restricted to"

    Usually f|A.
  4. Oct 27, 2008 #3
    Re: a function "restricted to"

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