In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Q: An abelian group is a set , " A " , together with an operation " • " .

A: An abelian group is a set , " A " , together with an operation • that combines any two elements " a " and " b " to form another element denoted " a " • " b " .
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Q: The word " rhombus " comes from the Greek word " rhombos " , meaning " spinning top " .

A: The word " rhombus " comes from Greek ( " rhombos " ) , meaning something that spins , which derives from the verb ρ ̔ ε ́ μβω ( " rhembo ̄ " ) , meaning " to turn round and round . "
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Q: Idempotence is a property that an operation in mathematics or computer science may have .

A:
Idempotence is the property of certain operations in mathematics and computer science whereby they can be applied multiple times without changing the result beyond the initial application .
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