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.

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