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Permutation
01
a fundamental change in the nature of a condition
02
the act of changing the arrangement of a given number of elements
03
(mathematics) a rearrangement of a set of elements in a specific order or sequence
Example
Permutations are often used in probability calculations.
A permutation of the letters ABC could be BAC or CAB.
Combinatorics relies on permutations to count arrangements without repetition.
The number of permutations of three distinct objects is six.
In probability theory, factorial calculations often appear in permutations and combinations.
