Let R( S) be the set of all relations on a set S. Define
Chapter 8, Problem 8.25(choose chapter or problem)
Let R( S) be the set of all relations on a set S. Define the relation on R(S) by RI R2 if RI S; R2, where RI and R2 are relations on S. Show that (R(S), ) is a poset.
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