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Magma[IsKei] - test whether a magma is a kei (involutary quandle)
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Calling Sequence
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IsKei( m )
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Parameters
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m
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Array representing the Cayley table of a finite magma
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Description
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The IsKei command returns true if the given magma is a kei. It returns false otherwise.
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A kei, also called an involutary quandle, is a quandle that satisfies the right involutary law (XY)Y = X.
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Compatibility
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The Magma[IsKei] command was introduced in Maple 15.
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Examples
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![m := Matrix([[1, 3, 2], [3, 2, 1], [2, 1, 3]])](/support/helpjp/helpview.aspx?si=8574/file02124/math73.png)
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![m := Matrix([[1, 2, 3], [2, 3, 1], [3, 3, 2]])](/support/helpjp/helpview.aspx?si=8574/file02124/math87.png)
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