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Magma

  

IsLeftZero

  

test whether an element of a magma is a left zero

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

IsLeftZero( m, z )

Parameters

m

-

Array representing the Cayley table of a finite magma

z

-

magma element to test

Description

• 

The IsLeftZero(m,z) command returns true if z is a left zero of the magma m, and false otherwise.  The element z is a left zero if z*x = z, for all x in m.

Examples

withMagma:

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

m:=123222311

(1)

IsLeftZerom,1

false

(2)

IsLeftZerom,2

true

(3)

Compatibility

• 

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

• 

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

See Also

IsRightZero

IsZero

Magma

 


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