Question: Let (A, less than or equal to A) and (B, less than or equal to B) be two partially ordered sets. One can define on

Let (A, less than or equal to A) and (B, less

Let (A, less than or equal to A) and (B, less than or equal to B) be two partially ordered sets. One can define on the cartesian product A times B a relation less than or equal to by setting (a_1, b_1) less than or equal to (a_2, b_2) if and only if a_1

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