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Abstract Algebra : Prove that if F is a Permutation on A

A-Prove that if F is a permutation on A, then F^-1 is a permutation on A.

B-Prove that if F is a permutation on A, then (F^-1)^-1 = F

Solution Preview

a permutation on A is a bijection from A to itself

if F is a permutation of A, F is a ...

Solution Summary

Permutations are investigated.

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