Definition:Latin Square Property

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Let $\left({S, \circ}\right)$ be an algebraic structure.

$\left({S, \circ}\right)$ has the Latin square property if and only if:

$\forall a \in S$, the left and right regular representations $\lambda_a$ and $\rho_a$ are permutations on $S$.

That is:

$\forall a, b \in S: \exists ! x: x \circ a = b$
$\forall a, b \in S: \exists ! y: a \circ y = b$

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