Answer to Question #266040 in Discrete Mathematics for bojie

Question

1.) {(1,2), (3,5)} is a partition of {1,2,3,4,5}?

let s={1,2,3}. in each case give an example of relation r on s that has the stated properties

2.) r is not symmentric, not reflexive and not transitive.

3.) r is transitive and reflexive, but not symmentric.

4.) r is symmentric, but not reflexive and not transitive.