# A probability question

## Homework Statement

Hi i cant understand the question i need to help show me how to reach a solution

Let {A1,A2....An} be an n-partition of the space $$\Omega$$,and define the sets{B1,B2,.....} by
Bj=G$$\cap$$Aj,j=1,2,3..... .Show that the sets {B1,B2......Bn} is an n-partition of the set G