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    Combinatorics Symbols - permutation

    List of Combinatorics Symbols
    Source: https://www.rapidtables.com/math/symbols/Basic_Math_Symbols.html
Combinatorics Symbols > permutation:
Symbol: nPk
Symbol Name: permutation
Meaning / definition: _{n}P_{k}=frac{n!}{(n-k)!}
Example: 5P3 = 5! / (5-3)! = 60