GATE CSE
First time here? Checkout the FAQ!
x
0 votes
56 views

asked in Set Theory & Algebra by Active (1.4k points)   | 56 views

1 Answer

+1 vote

P[P[P($\Phi$)]] contains 4 elememts.

Now, #non-empty subsets

= $\binom{4}{1}+\binom{4}{2}+\binom{4}{3}$

= 24 - $\binom{4}{0} - \binom{4}{4}$

= 14

answered by Veteran (15.4k points)  

Related questions

0 votes
1 answer
2
–1 vote
1 answer
3
asked in ISRO by stuti1 (269 points)   | 911 views


Top Users Aug 2017
  1. Bikram

    5034 Points

  2. ABKUNDAN

    4730 Points

  3. akash.dinkar12

    3488 Points

  4. manu00x

    3296 Points

  5. rahul sharma 5

    3178 Points

  6. makhdoom ghaya

    2530 Points

  7. just_bhavana

    2428 Points

  8. stblue

    2240 Points

  9. Tesla!

    2076 Points

  10. joshi_nitish

    1830 Points


25,032 questions
32,178 answers
74,991 comments
30,218 users