return a left identity element of a magma with a left identity - Maple Help

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Magma[LeftIdentity] - return a left identity element of a magma with a left identity

Calling Sequence

LeftIdentity( m )

Parameters

m

-

Array representing the Cayley table of a finite magma

Description

• 

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.

Examples

withMagma:

m:=1|2|3,2|3|1,3|1|2

m:=123231312

(1)

LeftIdentitym

1

(2)

See Also

Magma, RightIdentity


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