Relation on a set

The union of two equivalence relations on a set is not necessarily an equivalence relation on the set.

The union of two equivalence relations on a set is not necessarily an equivalence relation on the set.

The union of two equivalence relations on a set is not necessarily an equivalence relation on the set.

If the numbers of different reflexive relations on a set A is equal to the number of different symmetric relations on set A, then the number of elements in A is

If the numbers of different reflexive relations on a set A is equal to the number of different symmetric relations on set A, then the number of elements in A is

The number of relations on a set containing 3 elements is ……………..

The number of relations on a set containing 3 elements is

Write the largest and smallest relations on a set A = {a, b, c } .

If R and S are transitive relations on a set A , then prove that RuuS may not be a transitive relation on A .