[" OR "],[" Write the smallest equivalence relation on set "A={1,2,3,4}]

Write the smallest equivalence relation on A = {1,2,3}.

Write the smallest equivalence relation on the set A={1,\ 2,\ 3} .

Write the smallest equivalence relation on the set A={1,\ 2,\ 3} .

Write the smallest reflexive relation on set A={1,2,3,4}

The smallest equivalence relation R on set A ={1,2,8} is=

Write the smallest reflexive relation on set {1, 2, 3, 4} .

Write the smallest reflexive relation on set A = {1, 2, 3, 4, 5}.

Write the smallest reflexive relation on set A={1,\ 2,\ 3,\ 4} .

If R is the smallest equivalence relation on the set {1, 2, 3, 4} such that {(1,2), (1,3)}sub R , then the number of elements in R is ______

The smallest reflexive relation on the set A {1, 2, 3} is