Monoid/Examples
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Examples of Monoids
Operation Defined as $x + y + x y$ on Real Numbers
Let $\circ: \R \times \R$ be the operation defined on the real numbers $\R$ as:
- $\forall x, y \in \R: x \circ y := x + y + x y$
Then $\struct {\R, \circ}$ is a monoid whose identity is $0$.