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monoid [2015/03/28 20:17] nikolaj |
monoid [2015/03/28 20:17] nikolaj |
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| === Discussion === | === Discussion === | ||
| - | The binary operation is often called //multiplication// and $e$ is called the identity, identity element or unit. | + | The binary operation is often called //multiplication// and $e$ is called the //identity//, //identity element// or //unit//. |
| - | One generally calls $M$ the monoid, i.e. the set where the operation "$*$" is defined on. | + | One generally calls $M$ the monoid, i.e. the set where the operation "$*$" is defined on. |
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| + | Like above, one often uses infix notion for $*$. | ||
| === Reference === | === Reference === | ||
