| http://www.w3.org/ns/prov#value | - Proof of a problem concerning least upper bounds Proof of a problem concerning least upper bounds Printable View August 21st 2011, 08:17 PM Syrus Proof of a problem concerning least upper bounds The exercise: Suppose that R is a partial order on A, B1 ??? A, B2 ??? A, x1 is the least upper bound of B1, and x2 is the least upper bound of B2.
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