6. Prove that the set of all maximum size antichains of a poset P, forms a distributive lattice under "<" relation, where the relation between two maximum size antichains A and B is defined as follows: ABVA: 3y € B: x ≤py. Reminders: x ≤py means x ≤y in the poset P. . Remember to show that <, the relation between two maximum sized antichains as above, satisfies the conditions required to be a valid partial ordering relation.
6. Prove that the set of all maximum size antichains of a poset P, forms a distributive lattice under "<" relation, where the relation between two maximum size antichains A and B is defined as follows: ABVA: 3y € B: x ≤py. Reminders: x ≤py means x ≤y in the poset P. . Remember to show that <, the relation between two maximum sized antichains as above, satisfies the conditions required to be a valid partial ordering relation.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Given:
A poset and a relation "" between two maximum antichains and , defined by: .
To show:
The set of all maximum size antichains of forms a distributive lattice.
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