Some minor Graph Inverse Semigroup related fixes/additions#1198
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…attribute EdgesOfGraphInverseSemigroup and added IsWholeFamily test to graph inverse subsemigroups
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Thanks @joe-dw ! |
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Set
IsPositionalObjectRepfilter on graph inverse semigroup elements,Added attribute
EdgesOfGraphInverseSemigroup, which returns the generators of the semigroup which are not vertices,Added
IsWholeFamilytest to subsemigroups, which returns true if the subsemigroup is equal to the graph inverse semigroup of the graph it is defined on.