Question

Q1- U= {p,q,r,s,t,u,v,w,x,y}
A= {p,r,s,t,v} and B= {q,u,y,}
Verify the following properties:
1〉 A∩A'=∮ 2〉 If A∩B=B then B⊆A
3〉 A∩B ⊆ A 4〉A∩B= B∩A​

Answer 1

A={p, r, s, t, v}

A'={q, u, w, x, y}

AnA'=null

4) A=p, r, s, t, v

B=q, u, y

AnB=null=BnA