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Orthomodular lattices and closure operations in ordered vector spaces

Jan Florek (2010)

Banach Center Publications

On a non-trivial partially ordered real vector space (V,≤) the orthogonality relation is defined by incomparability and ζ(V,⊥) is a complete lattice of double orthoclosed sets. We say that A ⊆ V is an orthogonal set when for all a,b ∈ A with a ≠ b, we have a ⊥ b. In our earlier papers we defined an integrally open ordered vector space and two closure operations A → D(A) and A A . It was proved that V is integrally open iff D ( A ) = A for every orthogonal set A ⊆ V. In this paper we generalize this result. We...

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