IsTransformationNearring( obj )
IsTransformationNearring returns true if the object obj is
a transformation near-ring and false otherwise.
Is-Trans-for-ma-tion-Near-ring
simply checks if the record component
obj.is-Trans-for-ma-tion-Near-ring is
bound to true.
gap> IsTransformationNearring( nr ); true gap> IsTransformationNearring( n ); false
GAP 3.4.4