Question

1)let A={1,2,3,4,5} and B ={ 1,4,5} let R be a relation from A to B such that (x,y) ER if x < y A) give an example of non empty set A and B such that AUB = AnB​

Answer 1

Answer:

Step-by-step explanation:

This is false. For example, if A = {1, 2, 3} and R = {(1, 1),(1, 2),(2, 1),(2, 2),(3, 3)} then

[1] = {1, 2} has more elements than [3] = {3}