<theory> A lattice for which the least upper bound (lub) and greatest lower bound (glb) operators distribute over one another so that
a lub (b glb c) == (a lub c) glb (a lub b)and vice versa.
("lub" and "glb" are written in LateX as \sqcup and \sqcap).
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Nearby terms: distributed system « distributed systems « distribution « distributive lattice » disusered » dithering » Ditto Drive