The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » Math Topics » discretemath

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: Discrete Math: Cardinality
Replies: 2   Last Post: Oct 28, 1999 10:32 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]

Posts: 1
Registered: 12/8/04
Discrete Math: Cardinality
Posted: Oct 18, 1999 2:42 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Hi there,

I'm terrible at proving things, so I need a little help regarding
cardinality. (no, it's not for my homework assignment, I'm a curious
person. ;-)

If Set A has n members, the cardinality of P(A) is 2^n.

How do I prove this?

Any help is appreciated. Thank you very much.

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.