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Magma

  

IsLeftInvertible

  

test whether a finite magma is left invertible

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

IsLeftInvertible( m )

Parameters

m

-

Array representing the Cayley table of a finite magma

Description

• 

A magma is left invertible provided that the rows of its Cayley table are permutations.

• 

The IsLeftInvertible command returns true if the given magma is left invertible, and returns false otherwise.

Examples

withMagma:

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

m123231312

(1)

IsLeftInvertiblem

true

(2)

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

m123233312

(3)

IsLeftInvertiblem

false

(4)

Compatibility

• 

The Magma[IsLeftInvertible] command was introduced in Maple 16.

• 

For more information on Maple 16 changes, see Updates in Maple 16.

See Also

IsRightInvertible

Magma