Question: This is for abstract algebra class. Please show me all the details from scratch. 5. If # is a binary operation on a set S,

This is for abstract algebra class. Please show me all the details from scratch.

This is for abstract algebra class. Please show me all the details

5. If # is a binary operation on a set S, an element z S is an idempotent for # if 2 + = . Prove that a group has exactly one idempotent element

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