Question

proof that A interset A is equal to pie​

Answer 1

Answer:

please ask full question with diagram

Answer 2

Answer:

a intersection a is equal to pie

We can take one example

let a will be a = (1, 2,3)

a intersection a

(1, 2,3) intersection (1, 2,3) is equal to (1,2,3)

so it is proved that a intersection a cannot be equal to pie