Abstract Algebra : Prove that if F is a Permutation on A
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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
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Permutations are investigated. The expert analyzes the abstract algebra.
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a permutation on A is a bijection from A to itself
if F is a permutation of A, F is a ...
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