Is (S,R) a poset if S is the set of all people in the world and (a,
Question:
a) A is taller than b?
b) A is not taller than b?
c) A = b or a is an ancestor of b?
d) A and b have a common friend?
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The query in each case is whether the relation is reflexive antisymmetric and transitive a Since nob...View the full answer
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Related Book For
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
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