Question

Fill in the blanks.
1. If A, B and C are any three sets, then ____________________________________ is called the
associative property of union of three sets.
2. If A, B are any two sets, then _________________________________ is called the
commutative property of union of two sets.
3. If A,B are any two sets, then ___________________________ is called the commutative
property of intersection of two sets.
4. If A,B and C are any three sets, then _____________________________________is called the
associative property of intersection of three sets.

Answer 1

Answer:

1. (A U B) U C = A U (B U C)

2. A U B = B U A