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

Topic: LOGIC & MATHEMATICS
Replies: 96   Last Post: Jun 6, 2013 5:19 AM

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Peter Percival

Posts: 1,254
Registered: 10/25/10
Re: LOGIC & MATHEMATICS
Posted: May 30, 2013 10:36 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Nam Nguyen wrote:
> On 29/05/2013 3:25 AM, Peter Percival wrote:
>> Nam Nguyen wrote:
>>

>>>
>>> Well, then, why don't you express infinity with purely logical
>>> symbols, for us all in the 2 fora to see? Seriously, that would
>>> be a great achievement!

>>
>> It is easy enough to find formulae whose only models are infinite.

>
> Go ahead and write down one such formula that would express infinity
> but has only logical symbols.


You know, don't you, that what a logical symbol is isn't definite. For
example Abraham Robinson, in his books on model theory, doesn't include
'='. Russell thought that he could express the axiom of infinity using
logical symbols only.

--
I think I am an Elephant,
Behind another Elephant
Behind /another/ Elephant who isn't really there....
A.A. Milne


Date Subject Author
5/26/13
Read LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/26/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/26/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/26/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/26/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/26/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/26/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/26/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/26/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/28/13
Read Re: LOGIC & MATHEMATICS
Charlie-Boo
5/28/13
Read Re: LOGIC & MATHEMATICS
Charlie-Boo
5/26/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/27/13
Read Re: LOGIC & MATHEMATICS
zuhair
5/27/13
Read Re: LOGIC & MATHEMATICS
fom
5/27/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/27/13
Read Re: LOGIC & MATHEMATICS
fom
5/28/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/28/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/28/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/29/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/30/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/30/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/30/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/30/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/31/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/30/13
Read Re: LOGIC & MATHEMATICS
Bill Taylor
5/30/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/30/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/30/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/30/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/31/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/31/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/31/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/31/13
Read Re: LOGIC & MATHEMATICS
fom
5/28/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/28/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
5/27/13
Read Re: LOGIC & MATHEMATICS
Charlie-Boo
5/27/13
Read Re: LOGIC & MATHEMATICS
fom
5/28/13
Read Re: LOGIC & MATHEMATICS
Charlie-Boo
5/28/13
Read Re: LOGIC & MATHEMATICS
fom
6/4/13
Read Re: LOGIC & MATHEMATICS
Charlie-Boo
6/4/13
Read Re: LOGIC & MATHEMATICS
fom
6/5/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/28/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/28/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/28/13
Read Re: LOGIC & MATHEMATICS
ross.finlayson@gmail.com
5/28/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/28/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/28/13
Read Re: LOGIC & MATHEMATICS
fom
5/29/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/29/13
Read Re: LOGIC & MATHEMATICS
fom
5/30/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/29/13
Read Re: LOGIC & MATHEMATICS
fom
5/30/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/30/13
Read Re: LOGIC & MATHEMATICS
fom
5/31/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/31/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/31/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
5/31/13
Read Re: LOGIC & MATHEMATICS
ross.finlayson@gmail.com
6/1/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
6/1/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
6/1/13
Read Re: LOGIC & MATHEMATICS
ross.finlayson@gmail.com
6/2/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
6/2/13
Read Re: LOGIC & MATHEMATICS
ross.finlayson@gmail.com
6/3/13
Read Re: LOGIC & MATHEMATICS
Shmuel (Seymour J.) Metz
6/3/13
Read Re: LOGIC & MATHEMATICS
ross.finlayson@gmail.com
6/4/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
6/4/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
6/4/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
6/5/13
Read Re: LOGIC & MATHEMATICS
Shmuel (Seymour J.) Metz
6/5/13
Read Re: LOGIC & MATHEMATICS
fom
6/6/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
5/31/13
Read Re: LOGIC & MATHEMATICS
fom
6/1/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
6/1/13
Read Re: LOGIC & MATHEMATICS
fom
6/2/13
Read Re: LOGIC & MATHEMATICS
ross.finlayson@gmail.com
6/2/13
Read Re: LOGIC & MATHEMATICS
fom
6/2/13
Read Re: LOGIC & MATHEMATICS
Herman Rubin
6/2/13
Read Re: LOGIC & MATHEMATICS
fom
6/2/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
6/3/13
Read Re: LOGIC & MATHEMATICS
Herman Rubin
6/3/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
6/4/13
Read Re: LOGIC & MATHEMATICS
Herman Rubin
6/4/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
6/4/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
6/1/13
Read Re: LOGIC & MATHEMATICS
fom
6/1/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
6/1/13
Read Re: LOGIC & MATHEMATICS
namducnguyen
6/5/13
Read Re: LOGIC & MATHEMATICS
Peter Percival
6/1/13
Read Re: LOGIC & MATHEMATICS
fom
6/2/13
Read Re: LOGIC & MATHEMATICS
LudovicoVan
6/2/13
Read Re: LOGIC & MATHEMATICS
fom
5/28/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/28/13
Read Re: LOGIC & MATHEMATICS
Charlie-Boo
5/27/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com
5/28/13
Read Re: LOGIC & MATHEMATICS
Charlie-Boo
5/30/13
Read Re: LOGIC & MATHEMATICS
Zaljohar@gmail.com

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