GATE CSE
First time here? Checkout the FAQ!
x
0 votes
56 views
asked in Mathematical Logic by Active (2k points)   | 56 views

1 Answer

+2 votes
Best answer
Cardinality of $\phi = 0$ because the set contains 0 elements.

Cardinality of $\{ \phi \} = 1$ , because the set contains one element (the element is empty set).

Cardinality of $\{ \{\phi\} \} = 1$, because the set cotains one element (the element is the set containing the empty set).
answered by Loyal (3.3k points)  
selected by

Related questions

0 votes
1 answer
1
+2 votes
1 answer
2
+1 vote
2 answers
3
asked in Theory of Computation by shilajit (229 points)   | 145 views
Top Users Feb 2017
  1. Arjun

    4694 Points

  2. Bikram

    4004 Points

  3. Habibkhan

    3738 Points

  4. Aboveallplayer

    2966 Points

  5. sriv_shubham

    2278 Points

  6. Smriti012

    2212 Points

  7. Arnabi

    1814 Points

  8. Debashish Deka

    1788 Points

  9. sh!va

    1444 Points

  10. mcjoshi

    1444 Points

Monthly Topper: Rs. 500 gift card

20,788 questions
25,938 answers
59,535 comments
21,929 users