test whether a finite magma has a (two-sided) identity element
Identity( m )
Array representing the Cayley table of a finite magma
The Identity command returns the identity element of a magma with identity. If the magma has no identity element, an exception is raised.
The Magma[Identity] command was introduced in Maple 15.
For more information on Maple 15 changes, see Updates in Maple 15.
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