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Magma

  

HasLeftIdentity

  

test whether a magma has a left identity

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

HasLeftIdentity( m )

Parameters

m

-

Array; magma represented by its Cayley table

Description

• 

The HasLeftIdentity command determines whether a magma m has a left identity element.  It returns true if m has a left identity element, and returns false' otherwise.

Examples

withMagma:

m1|2|2,1|2|3,3|2|2

m:=122123322

(1)

HasLeftIdentitym

true

(2)

Compatibility

• 

The Magma[HasLeftIdentity] command was introduced in Maple 15.

• 

For more information on Maple 15 changes, see Updates in Maple 15.

See Also

HasIdentity

HasRightIdentity

Magma

 


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