Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

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


Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: Peer-reviewed arguments against Cantor Diagonalization
Replies: 156   Last Post: Nov 4, 2012 3:01 PM

Advanced Search

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

Posts: 4,227
Registered: 5/20/10
Re: Peer-reviewed arguments against Cantor Diagonalization
Posted: Oct 31, 2012 8:00 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Oct 31, 9:45 pm, rich...@cogsci.ed.ac.uk (Richard Tobin) wrote:
> In article <623781e5-4542-4a3d-98d9-a299ec236...@b4g2000pby.googlegroups.com>,
> Graham Cooper  <grahamcoop...@gmail.com> wrote:
>

> >> If you want us to construct the list, you'd better give us a
> >> constructive proof that the set is countable.

> >R11 R12 R13 ...
> >R21 R22 R23 ...
> >R31 R32 R33 ...
> >...

>
> >Proof:
> >Each R index has 2 natnum indexes that can all be tallied trivially.

>
> >This is a COUNT-ABLE SET.
>
> So consider the list
>
> R11
> R12
> R21
> R13
> R22
> R31
> ...
>
> and use the diagonal to get a real that is different from all the Rxy.
> Your set is not complete.  QED.
>



by ... 'use the diagonal' 0.a1a2a3...

a1 = 0 if the first real on YOUR list is 1, otherwise 1.
a2 = 0 if the first real on YOUR list is 1, otherwise 0.
...

proves nothing. chose a different enumeration f, and the values
arbitrarily change depending on your particular f.

Herc



Date Subject Author
10/27/12
Read Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/27/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Frederick Williams
10/27/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Tim Little
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Michael Stemper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
David C. Ullrich
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
David C. Ullrich
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
David C. Ullrich
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/27/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
INFINITY POWER
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
INFINITY POWER
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Virgil
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Frederick Williams
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Richard Tobin
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Frederick Williams
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Hercules ofZeus
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Hercules ofZeus
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Arturo Magidin
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Hercules ofZeus
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Arturo Magidin
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Hercules ofZeus
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Frederick Williams
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Pubkeybreaker
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
magidin@math.berkeley.edu
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Virgil
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
MoeBlee
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
11/1/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
11/1/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Hercules ofZeus
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Richard Tobin
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
MoeBlee
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
MoeBlee
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Richard Tobin
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Richard Tobin
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Richard Tobin
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Virgil
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/30/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
adamk
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
11/1/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
11/1/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Jesse F. Hughes
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Virgil
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
11/2/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
11/3/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
11/3/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
11/4/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Peter Webb
11/4/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Virgil
11/4/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
11/1/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
10/31/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Graham Cooper
10/28/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
J. Antonio Perez M.
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
David C. Ullrich
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
JRStern
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
LudovicoVan
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Fernando Revilla
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
Shmuel (Seymour J.) Metz
10/29/12
Read Re: Peer-reviewed arguments against Cantor Diagonalization
adamk

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

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.