# Category:Examples of Semigroups

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This category contains examples of Semigroup.

- A
**semigroup**is an algebraic structure which is closed and whose operation is associative.

## Pages in category "Examples of Semigroups"

The following 13 pages are in this category, out of 13 total.

### I

### N

- Natural Numbers Bounded Below under Addition form Commutative Semigroup
- Natural Numbers under Addition form Commutative Semigroup
- Natural Numbers under Multiplication form Semigroup
- Non-Zero Natural Numbers under Addition form Semigroup
- Non-Zero Natural Numbers under Multiplication form Commutative Semigroup