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2 Frames of Zariski open subsets
 2.1 GAP Categories
 2.2 Attributes

2 Frames of Zariski open subsets

2.1 GAP Categories

2.1-1 IsZariskiFrame
‣ IsZariskiFrame( object )( filter )

Returns: true or false

The GAP category of Zariski frames.

2.1-2 IsObjectInZariskiFrame
‣ IsObjectInZariskiFrame( object )( filter )

Returns: true or false

The GAP category of objects in a Zariski frame.

2.1-3 IsMorphismInZariskiFrame
‣ IsMorphismInZariskiFrame( morphism )( filter )

Returns: true or false

The GAP category of morphisms in a Zariski frame.

2.2 Attributes

2.2-1 DimensionOfComplement
‣ DimensionOfComplement( A )( attribute )

Returns: an integer

The dimension of the closed complement of A.

2.2-2 DegreeOfComplement
‣ DegreeOfComplement( A )( attribute )

Returns: an integer

The degree of the closed complement of A.

2.2-3 ComplementAsClosedSubset
‣ ComplementAsClosedSubset( arg )( attribute )

2.2-4 AsDifferenceOfClosed
‣ AsDifferenceOfClosed( arg )( attribute )
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