Talk:Arithmetic function
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I changed the article back to the previous version for the following reasons:
- It used N for the positive integers, but we generally use that symbol for the non-negative integers, see natural number.
- No need for colors in formulas.
- The definition of Ψ didn't make sense: in one equation the function Ψ took two arguments, in the other it took only one. Furthermore, this does not seem to be an accepted use of the term "arithmetic function".
- "Arithmetical function" was not explained.
AxelBoldt, Thursday, April 18, 2002