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Magma

  

IsZero

  

test whether an element of a magma is a zero

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

IsZero( m, z )

Parameters

m

-

Array representing the Cayley table of a finite magma

z

-

magma element to test

Description

• 

The IsZero(m,z) command returns true if z is a zero of the magma m, and false otherwise.  The element z is a zero if it is both a left and a right zero element.

Examples

withMagma:

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

m:=123222321

(1)

IsZerom,1

false

(2)

IsZerom,2

true

(3)

Compatibility

• 

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

• 

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

See Also

HasZero

IsLeftZero

IsRightZero

Magma

Zero

 


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