Free abelian group

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Notion

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Science and technology

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What Wikipedia says

In mathematics, a free abelian group is an abelian group with a basis. Being an abelian group means that it is a set with an addition operation that is associative, commutative, and invertible.

Excerpt from the Wikipedia article “Free abelian group”, under the CC BY-SA 4.0 license. Read the article on Wikipedia