return a left identity element of a magma with a left identity
LeftIdentity( m )
Array representing the Cayley table of a finite magma
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.
Note that a magma may possess more than one left identity element; only one is returned.
m ≔ 1|2|3,2|3|1,3|1|2
The Magma[LeftIdentity] command was introduced in Maple 15.
For more information on Maple 15 changes, see Updates in Maple 15.
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