Elements of posets, lattices, semilattices, etc.¶
- class sage.combinat.posets.elements.JoinSemilatticeElement(poset, element, vertex)[source]¶
- Bases: - PosetElement
- class sage.combinat.posets.elements.MeetSemilatticeElement(poset, element, vertex)[source]¶
- Bases: - PosetElement
- class sage.combinat.posets.elements.PosetElement(poset, element, vertex)[source]¶
- Bases: - Element- Establish the parent-child relationship between - posetand- element, where- elementis associated to the vertex- vertexof the Hasse diagram of the poset.- INPUT: - poset– a poset object
- element– any object
- vertex– a vertex of the Hasse diagram of the poset