Set Theory: subsets

  • #1
NecroWinter
5
0
Hi there, heres the question im given, i will provide the answer that I think is correct, do you mind checking it and possibly pointing out where im wrong if I am?

Give an example of a set S such that:
a) S is a subset P(N)
b) S belongs to P(N)
c) S belongs to P(N) and |S|=5

here are my answers:

a) {1,2,3}
b) {{1}}
c) {1,2,3,4,5}
 

Answers and Replies

  • #2
chiro
Science Advisor
4,797
133
Hey NecroWinter and welcome to the forums.

Just to clarify what is the set P(N)? Is this just all the natural numbers or the power set of the entire set of natural numbers?
 
  • #3
lugita15
1,554
15
You have the answers for A and B switched.
 

Suggested for: Set Theory: subsets

  • Last Post
Replies
1
Views
881
  • Last Post
Replies
3
Views
5K
  • Last Post
Replies
4
Views
2K
Replies
18
Views
2K
  • Last Post
Replies
6
Views
3K
Replies
10
Views
9K
Replies
4
Views
5K
  • Last Post
Replies
3
Views
4K
  • Last Post
Replies
9
Views
789
  • Last Post
Replies
4
Views
2K
Top