If `A sub B` and `A sup C` then `A nn B nn C= "_______"`.

If A uu B = A uu C and A nn B= A nn C , then

For all sets A, B and C, if A sub B , then A nn C sub B nn C .

For all sets A, B and C, if A sub B , then A nn C sub B nn C .

If A sub B, then P(A nn B^(c))=

If A sub B, then (A'nn B')=?

If A-B=phi and B-C=B, then A nn C

Prove that (i) A nn B sube A( ii) A nn B sube B( iii) If C sube A and C subebar(B), then C sube A nn B( iv )A=B rArr A nn C=B nn C for any set C, (v) If B sube A, then A nn B=B and conversely.

If A, B and C are three sets such that A nn B=A nn C and AuuB=AuuC , then

Find the region (A nn B')'uu(B nn C)