The largest and maximal elements
Task number: 4151
In the following cases decide, whether exists a partial oder satisfying the given condition. If so, show an example.
Variant
Without the largest element, but with a maximal element; on a nonempty finite set.
Variant
Without the largest element, and without the smallest element; on a nonempty finite set.
Variant
Without the largest element, and without the maximal element; on a nonempty finite set.
Variant
Without the largest element, but with a maximal element; on an infinite set.
Variant
Without the largest element, and without maximal element; on an infinite set.
Variant
Without infinite chain, on an infinite set.