Re: Where do numbers and geometry come from ?

2012-09-07 Thread Stephen P. King
ing-list <mailto:everything-list@googlegroups.com> *Time:* 2012-09-07, 10:01:22 *Subject:* Re: Where do numbers and geometry come from ? On 9/7/2012 7:21 AM, Roger Clough wrote: Hi Stephen P. King   I believe that what is necessarily true (rationally true) had to be always tr

Re: Re: Where do numbers and geometry come from ?

2012-09-07 Thread Roger Clough
have to invent him so that everything could function." - Receiving the following content - From: Stephen P. King Receiver: everything-list Time: 2012-09-07, 10:01:22 Subject: Re: Where do numbers and geometry come from ? On 9/7/2012 7:21 AM, Roger Clough wrote: Hi Stephen P. Ki

Re: Where do numbers and geometry come from ?

2012-09-07 Thread Stephen P. King
ng-list <mailto:everything-list@googlegroups.com> *Time:* 2012-09-06, 11:35:56 *Subject:* Re: Where do numbers and geometry come from ? Dear Roger,     Why is it that people persist in even suggesting that numbers are "created by man"? Why the anthropocentric

Re: Re: Where do numbers and geometry come from ?

2012-09-07 Thread Roger Clough
content - From: Bruno Marchal Receiver: everything-list Time: 2012-09-07, 03:21:21 Subject: Re: Where do numbers and geometry come from ? On 06 Sep 2012, at 16:28, Brian Tenneson wrote: All numbers can be defined in terms of sets. The question becomes this: do sets have ontological primacy

Re: Re: Where do numbers and geometry come from ?

2012-09-07 Thread Roger Clough
ng content - From: Brian Tenneson Receiver: everything-list Time: 2012-09-06, 10:28:51 Subject: Re: Where do numbers and geometry come from ? All numbers can be defined in terms of sets. The question becomes this: do sets have ontological primacy relative to mankind or are sets invented or

Re: Where do numbers and geometry come from ?

2012-09-07 Thread Bruno Marchal
On 06 Sep 2012, at 16:28, Brian Tenneson wrote: All numbers can be defined in terms of sets. The question becomes this: do sets have ontological primacy relative to mankind or are sets invented or created by mankind? I would say "invented", as many different notion of sets can exist. You

Re: Where do numbers and geometry come from ?

2012-09-06 Thread Brian Tenneson
; Leibniz would say, "If there's no God, we'd have to invent him > so that everything could function." > > - Receiving the following content ----- > *From:* Brian Tenneson > *Receiver:* everything-list > *Time:* 2012-09-06, 10:28:51 > *Subject

Re: Where do numbers and geometry come from ?

2012-09-06 Thread Stephen P. King
- *From:* Brian Tenneson <mailto:tenn...@gmail.com> *Receiver:* everything-list <mailto:everything-list@googlegroups.com> *Time:* 2012-09-06, 10:28:51 *Subject:* Re: Where do numbers and geometry come from ? All numbers can be defined in terms of sets.� The quest

Re: Re: Where do numbers and geometry come from ?

2012-09-06 Thread Brian Tenneson
that everything could function." > > - Receiving the following content - > *From:* Brian Tenneson > *Receiver:* everything-list > *Time:* 2012-09-06, 10:28:51 > *Subject:* Re: Where do numbers and geometry come from ? > > All numbers can be defined in terms

Re: Where do numbers and geometry come from ?

2012-09-06 Thread Stephen P. King
On 9/6/2012 11:09 AM, Brian Tenneson wrote: Correct me if I'm wrong but my understanding is that sets and membership cannot be defined in terms of a more primary mathematical concept. Functions can be defined in terms of this primitive called sets. Numbers are sets; natural numbers are define

Re: Re: Where do numbers and geometry come from ?

2012-09-06 Thread Roger Clough
Receiver: everything-list Time: 2012-09-06, 11:09:25 Subject: Re: Where do numbers and geometry come from ? Correct me if I'm wrong but my understanding is that sets and membership cannot be defined in terms of a more primary mathematical concept.? Functions can be defined in terms

Re: Re: Where do numbers and geometry come from ?

2012-09-06 Thread Roger Clough
ough, rclo...@verizon.net 9/6/2012 Leibniz would say, "If there's no God, we'd have to invent him so that everything could function." - Receiving the following content - From: Brian Tenneson Receiver: everything-list Time: 2012-09-06, 10:28:51 Subject: Re: Where do numbers

Re: Where do numbers and geometry come from ?

2012-09-06 Thread Brian Tenneson
Correct me if I'm wrong but my understanding is that sets and membership cannot be defined in terms of a more primary mathematical concept. Functions can be defined in terms of this primitive called sets. Numbers are sets; natural numbers are defined directly in terms of sets (via the Von Neumann

Re: Where do numbers and geometry come from ?

2012-09-06 Thread Stephen P. King
Dear Brian, "can be defined ..." implies the necessary existence of something or process or whatever that does the act of defining the set. Truth values do not do this, btw. Sets are collections defined in terms of functions, but numbers in-themselves are not those functions.. Unless you

Re: Where do numbers and geometry come from ?

2012-09-06 Thread Brian Tenneson
All numbers can be defined in terms of sets. The question becomes this: do sets have ontological primacy relative to mankind or are sets invented or created by mankind? On Thu, Sep 6, 2012 at 5:11 AM, Roger Clough wrote: > Hi Stephen P. King > > > Yes, of course, but I wanted a more obvious, d

Where do numbers and geometry come from ?

2012-09-06 Thread Roger Clough
Hi Stephen P. King Yes, of course, but I wanted a more obvious, dramatic example. The philosophy of mathematics says something like the numbers belong to a static or eternal world, change itself is a property of geometry. Numbers and geometry thus belong to the platonic world, which is forbidd