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To help you avoid using the same word too repetitively, redundantly, recurrently, incessantly, etc., etc.

To help you avoid using the same word too repetitively, redundantly, recurrently, incessantly, etc., etc.

**Synonyms:** subgroup
**Definition:** (mathematics) a subset (that is not empty) of a mathematical group

**Hypernyms:** group, mathematical group
**Definition:** a set that is closed, associative, has an identity element and every element has an inverse