A relation 'R' is defined on ordered pairs of integers as:
(x, y) R (u, v) if x < u and y > v. Then R is
1
Neither a partial order nor an equivalence relation
2
A partial order but not a total order
3
A total order
4
An equivalence relation
A relation 'R' is defined on ordered pairs of integers as:
(x, y) R (u, v) if x < u and y > v. Then R is