A completion for distributive nearlattices
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The aim of this article is to propose an adequate completion for distributive nearlattices. We give a proof of the existence of such a completion through a representation theorem, which allows us to prove that this completion is a completely distributive algebraic lattice. We show several properties about this completion, and we present a connection with the free distributive lattice extension of a distributive nearlattice. Finally, we consider how can be extended n-ary operations on distributive nearlattices, and we study the basic properties of these extensions.
KeywordsNearlattices Completion Extensions of operations Free lattice extension
Mathematics Subject Classification06A12 06B23 03G10 06A15