Let X be a set and R a relation on X. Define R to be the reverse relation, so that (z, y) e R if and only if (y, z) e R. (a) What does it mean that Ris a strict partial order on X. (b) Show that R is a strict partial order if R is. (c) Let X = {1,2,..., 12} and define R by strict divisibility. Sketch (X, R) and (X, R). (d) Distinguish (X, R) and (X,R) or show that they are (essentially) the same, in the sense that there is an order preserving bijection between them.
Let X be a set and R a relation on X. Define R to be the reverse relation, so that (z, y) e R if and only if (y, z) e R. (a) What does it mean that Ris a strict partial order on X. (b) Show that R is a strict partial order if R is. (c) Let X = {1,2,..., 12} and define R by strict divisibility. Sketch (X, R) and (X, R). (d) Distinguish (X, R) and (X,R) or show that they are (essentially) the same, in the sense that there is an order preserving bijection between them.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 6TFE: Label each of the following statements as either true or false. Let R be a relation on a nonempty...
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