Question

Use Venn diagrams to determine whether the following statements are equal for all sets A and B.

A' ∩ B', A ∪ B
A. not equal

B. equal

Answer 1

A.

Answer 2

because...
most examples show that it's false.

Answer 3

try with A={1,2}, B={2,3}. and the complete set is U={1,2,3,4}.

Answer 4

Venn Diagrams are circles, sometimes with overlap.
A' is not-A
upside-down U is intersection, overlap
U is either and both

Answer 5

(the shaded part is the set i'm looking at)
AUB


A'

B'


the intersection of the twoo last shaded parts will not be equal to AUB.