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Magma[LeftIdentity] - return a left identity element of a magma with a left identity
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Calling Sequence
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LeftIdentity( 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 LeftIdentity command returns a left identity element of a magma possessing one. If the magma has no left identity element, an exception is raised.
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Note that a magma may posess more than one left identity element; only one is returned.
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Compatibility
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The Magma[LeftIdentity] command was introduced in Maple 15.
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