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 » sci.math.* » sci.math

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

Topic: Chapt8 well defined "open set" and well-defined Reals in light of
10^603 #523 Correcting Math 3rd ed

Replies: 10   Last Post: Aug 8, 2011 8:14 PM

Advanced Search

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

Posts: 235
Registered: 12/6/04
Re: Chapt8: well-defined Reals in light of 10^603 #524 Correcting Math 3rd ed
Posted: Jul 11, 2011 12:54 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

In article
Archimedes Plutonium <> wrote:


> So what is the square root of 2? If Irrationals are just imprecise
> notions? Well, you take the square root of 2 out
> to 603 decimal places to the right of the decimal point. It is still a
> rational number and it is what the square root of
> 2 really is....

Archie: If sqrt(2) is rational (as you say above), it can be written

sqrt(2) = a/b

where a and b are integers (definition of a rational number.)

Please tell us what integers a and b are.



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.