Let S = {l, 2, 3, ..., 10}. Suppose M is the set of all the subsets of S, then the relation
R = {(A, B): A ∩ B ≠ ϕ; A, B ϵ M} is:
1
symmetric and reflexive only
2
reflexive only
3
symmetric and transitive only
4
symmetric only
Let S = {l, 2, 3, ..., 10}. Suppose M is the set of all the subsets of S, then the relation
R = {(A, B): A ∩ B ≠ ϕ; A, B ϵ M} is: