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Magma[Identity] - test whether a finite magma has a (two-sided) identity element
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Calling Sequence
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Identity( 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 Identity command returns the identity element of a magma with identity. If the magma has no identity element, an exception is raised.
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Compatibility
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The Magma[Identity] command was introduced in Maple 15.
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