Consider the following for any three non empty sets A, B and C1 \d | Filo

Class 11

Math

Calculus

Sets

573
150

Consider the following for any three non empty sets A, B and C

which of the above is/are correct?

1. Only 1
2. 2 and 3
3. 1 and 2
4. 1 and 3
Solution: 1.

for all  and x  B ) or x  A and x  B and X  C)

Hence not correct

2.
\displaystyle \Rightarrow X\varepsilon (A\  and \ x \notin B)

3.

Hence (1) is incorrect,
573
150

Connecting you to a tutor in 60 seconds.