Maximal elements: 2,3 and 5 Minimal elements: 4,5 and 6
I just want to confirm to make sure that I understand maximal and minimal elements correctly.
Maximal elements: 2,3 and 5 Minimal elements: 4,5 and 6
I just want to confirm to make sure that I understand maximal and minimal elements correctly.
Yes. Those which appear only on the left side, are minimal, those only on the right side are maximal (after having removed the $(a,a)$ pairs, to be precise).