If R1, R2 in Exercise 3 are total orders, is R a total order? Exercise 3 Let
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Exercise 3
Let (A, R1), (B, R2) be two posets. On A × B, define relation R by (a, b) R (x, y) if a R1 x and b R2 y. Prove that R is a partial order.
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Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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