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Results tagged with lattice-theory
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user 25527
The theory of lattices in the sense of order theory. For the number-theoretic notion, use the tag "lattices" instead.
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Is there a name for relations that are compatible with composition and union?
I’m dealing with relations on relations $\mathcal{R} \subseteq \mathcal{P}(A \times A) \times \mathcal{P}(A \times A)$ that have the following properties:
$(R_{1}, S_{1}) \in \mathcal{R} \mathrel\we …
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