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# LATTICE

A regular arrangement of points and lines with or without arrows connecting them directly or indirectly, a graph systematically constructed by a rule. E.g., the edges and corners of crystals, the entailment structure of all expressions that can be formed by the union and intersection of a finite number of sets (Boolean lattice). (Krippendorff)

URL= http://cleamc11.vub.ac.be/ASC/LATTICE.html