MATH0005 L17a: every permutation is a product of disjoint cycles

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MATH0005 L17a: sketch of how to prove that every permutation equals a product of disjoint cycles (see the lecture notes for a rigorous proof). Method for expressing a permutation as a product of disjoint cycles, example of doing so. Examples to show that there are several different ways of writing a given permutation as a product of disjoint cycles.
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