Re: The scope of physical law and its relationship to the substitution level

2015-06-12 Thread Bruno Marchal
On 10 Jun 2015, at 10:18, Bruce Kellett wrote: Bruno Marchal wrote: On 10 Jun 2015, at 00:37, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some

Re: The scope of physical law and its relationship to the substitution level

2015-06-12 Thread Bruno Marchal
On 10 Jun 2015, at 16:56, John Clark wrote: On Tue, Jun 9, 2015 Kim Jones kimjo...@ozemail.com.au wrote: Surely it isn't a crime to be a solipsist. What's socially unacceptable about the belief that you are the only mind and that all other minds are you as well? The crime is

Re: The scope of physical law and its relationship to the substitution level

2015-06-12 Thread Bruno Marchal
On 10 Jun 2015, at 20:34, meekerdb wrote: On 6/10/2015 12:55 AM, Bruno Marchal wrote: On 09 Jun 2015, at 19:10, meekerdb wrote: On 6/9/2015 12:34 AM, Bruno Marchal wrote: On 08 Jun 2015, at 19:27, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hence what I've called comp1 is

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread Bruno Marchal
On 10 Jun 2015, at 03:35, Kim Jones wrote: On 10 Jun 2015, at 9:09 am, LizR lizj...@gmail.com wrote: On 10 June 2015 at 10:37, Bruce Kellett bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread Bruno Marchal
On 09 Jun 2015, at 19:10, meekerdb wrote: On 6/9/2015 12:34 AM, Bruno Marchal wrote: On 08 Jun 2015, at 19:27, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hence what I've called comp1 is the default materialist hypothesis (also known as the strong AI thesis, I think)

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread Bruce Kellett
Bruno Marchal wrote: On 10 Jun 2015, at 00:37, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some agreed rules of inference, the same results always

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread Bruno Marchal
On 09 Jun 2015, at 19:15, meekerdb wrote: On 6/9/2015 12:46 AM, Bruno Marchal wrote: On 08 Jun 2015, at 19:31, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread Bruno Marchal
On 09 Jun 2015, at 19:25, meekerdb wrote: On 6/9/2015 1:26 AM, Bruno Marchal wrote: ... That can be useful in AI, and for natural language. But not in QED, string theory or theoretical computer science. A rocket using water instead of hydrogen gas will not work. That does not refute

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread Bruno Marchal
On 10 Jun 2015, at 00:37, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some agreed rules of inference, the same results always follow, regardless of

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread John Clark
On Wed, Jun 10, 2015 LizR lizj...@gmail.com wrote: does a group mind refer to ourself or myselves ? That depends on the speed of light and how far apart the individual brains are. It they're far apart and it takes a long time to send a signal to another brain relative to the time it takes to

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread John Clark
On Tue, Jun 9, 2015 Kim Jones kimjo...@ozemail.com.au wrote: Surely it isn't a crime to be a solipsist. What's socially unacceptable about the belief that you are the only mind and that all other minds are you as well? The crime is intellectual dishonesty. I don't believe anyone this side

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread Kim Jones
On 10 Jun 2015, at 2:20 pm, LizR lizj...@gmail.com wrote: On 10 June 2015 at 15:23, Kim Jones kimjo...@ozemail.com.au wrote: Both. I'm exploring the concept of solipsism with a positive attitude. What are the benefits? Your attempts at humour always hit the mark (with me.) Thanks! :)

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread meekerdb
On 6/10/2015 12:55 AM, Bruno Marchal wrote: On 09 Jun 2015, at 19:10, meekerdb wrote: On 6/9/2015 12:34 AM, Bruno Marchal wrote: On 08 Jun 2015, at 19:27, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hence what I've called comp1 is the default materialist hypothesis (also

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread meekerdb
On 6/10/2015 7:56 AM, John Clark wrote: On Tue, Jun 9, 2015 Kim Jones kimjo...@ozemail.com.au mailto:kimjo...@ozemail.com.au wrote: Surely it isn't a crime to be a solipsist. What's socially unacceptable about the belief that you are the only mind and that all other minds are you as

Re: The scope of physical law and its relationship to the substitution level

2015-06-10 Thread LizR
On 11 June 2015 at 10:50, meekerdb meeke...@verizon.net wrote: I'm a solipsist and I'm surprised more philosophers aren't solipsists. --- letter to Bertrand Russell Phew, another solipsist! I was afraid I might be the only one. -- You received this message because you are subscribed to

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 01:26, Bruce Kellett wrote: LizR wrote: On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruce Kellett
Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some agreed rules of inference, the same results always follow, regardless of by whom or at what time the application is made. This is not what is usually referred to as kicking back. Johnson did

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 08 Jun 2015, at 19:31, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of mathematician. This is important because everyone agree with any axiomatic of the numbers, but

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 02:37, LizR wrote: On 9 June 2015 at 11:26, Bruce Kellett bhkell...@optusnet.com.au wrote: LizR wrote: Reality isn't defined by what everyone agrees on. What makes ZFC (or whatever) real, or not, is whether it kicks back. Is it something that was invented, and could

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 08 Jun 2015, at 19:37, meekerdb wrote: On 6/8/2015 1:24 AM, Bruno Marchal wrote: On 08 Jun 2015, at 06:31, LizR wrote (to Brent) Note that Bruno rejects the conditioning on justified. Plato's Theaetetus dialogue defines knowledge as true belief. I think that's a deficiency in modal

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 00:21, LizR wrote: On 8 June 2015 at 16:22, Stathis Papaioannou stath...@gmail.com wrote: It seems here that you've snuck an extra assumption into comp1. We know that brains can be conscious, and we assume that computations can also be conscious. But that doesn't mean

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 01:24, meekerdb wrote: On 6/8/2015 4:13 PM, LizR wrote: On 9 June 2015 at 05:29, meekerdb meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hmm Let us be precise. That the computation take place in arithmetic is a mathematical fact that nobody

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 07:40, Bruce Kellett wrote: LizR wrote: On 9 June 2015 at 11:26, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: LizR wrote: Reality isn't defined by what everyone agrees on. What makes ZFC (or whatever) real, or not, is

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 04:00, meekerdb wrote: On 6/8/2015 4:16 PM, LizR wrote: On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 04:10, Stathis Papaioannou wrote: On Tuesday, June 9, 2015, LizR lizj...@gmail.com wrote: On 8 June 2015 at 16:22, Stathis Papaioannou stath...@gmail.com wrote: It seems here that you've snuck an extra assumption into comp1. We know that brains can be conscious, and we

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 07:21, meekerdb wrote: On 6/8/2015 7:30 PM, LizR wrote: On 9 June 2015 at 14:00, meekerdb meeke...@verizon.net wrote: On 6/8/2015 4:16 PM, LizR wrote: On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Kim Jones
On 9 Jun 2015, at 8:07 pm, Bruce Kellett bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some agreed rules of inference, the same results always follow, regardless of by whom or at what time the application

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 08 Jun 2015, at 18:40, John Clark wrote: On Mon, Jun 8, 2015 Bruno Marchal marc...@ulb.ac.be wrote: that is enough to conceive the set of the Gödel number of true sentences of arithmetic, and prove theorems about that set. That set can be defined in standard set theory YOU CAN'T

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 08 Jun 2015, at 19:29, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hmm Let us be precise. That the computation take place in arithmetic is a mathematical fact that nobody doubt today. UDA explains only that we cannot use a notion of primitive matter for making more

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 08 Jun 2015, at 19:27, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hence what I've called comp1 is the default materialist hypothesis (also known as the strong AI thesis, I think) Comp1 is not comp, even if it is comp for a materialist: but that position is proved to be

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread John Clark
On Mon, Jun 8, 2015 Bruce Kellett bhkell...@optusnet.com.au wrote: What axioms led to arithmetic? The Peano axioms. They were chosen because they are very simple and self evident. You need to be very conservative when picking axioms, for example we could just add the Goldbach Conjecture as an

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread meekerdb
On 6/9/2015 12:46 AM, Bruno Marchal wrote: On 08 Jun 2015, at 19:31, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of mathematician. This is important because everyone agree

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread meekerdb
On 6/9/2015 12:34 AM, Bruno Marchal wrote: On 08 Jun 2015, at 19:27, meekerdb wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hence what I've called comp1 is the default materialist hypothesis (also known as the strong AI thesis, I think) Comp1 is not comp, even if it is comp for a

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 18:59, John Clark wrote: On Mon, Jun 8, 2015 Bruce Kellett bhkell...@optusnet.com.au wrote: What axioms led to arithmetic? The Peano axioms. Or the Robinson axiom, or many other systems. but they don't disagree on any formula. Even the theories having weird axioms

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruno Marchal
On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some agreed rules of inference, the same results always follow, regardless of by whom or at what time the application is made. This is not what is

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread meekerdb
On 6/9/2015 1:26 AM, Bruno Marchal wrote: ... That can be useful in AI, and for natural language. But not in QED, string theory or theoretical computer science. A rocket using water instead of hydrogen gas will not work. That does not refute that rockets can work. Brent :) -- You

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread LizR
On 10 June 2015 at 10:37, Bruce Kellett bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some agreed rules of inference, the same results

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Bruce Kellett
Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set of axioms and some agreed rules of inference, the same results always follow, regardless of by whom or at what time the application is made.

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread LizR
On 10 June 2015 at 13:35, Kim Jones kimjo...@ozemail.com.au wrote: On 10 Jun 2015, at 9:09 am, LizR lizj...@gmail.com wrote: On 10 June 2015 at 10:37, Bruce Kellett bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote:

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Kim Jones
On 10 Jun 2015, at 9:09 am, LizR lizj...@gmail.com wrote: On 10 June 2015 at 10:37, Bruce Kellett bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 09 Jun 2015, at 12:07, Bruce Kellett wrote: Bruno Marchal wrote: On 09 Jun 2015, at 07:40, Bruce Kellett wrote: Given a set

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread Kim Jones
On 10 Jun 2015, at 11:53 am, LizR lizj...@gmail.com wrote: On 10 June 2015 at 13:35, Kim Jones kimjo...@ozemail.com.au wrote: On 10 Jun 2015, at 9:09 am, LizR lizj...@gmail.com wrote: On 10 June 2015 at 10:37, Bruce Kellett bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 09

Re: The scope of physical law and its relationship to the substitution level

2015-06-09 Thread LizR
On 10 June 2015 at 15:23, Kim Jones kimjo...@ozemail.com.au wrote: Both. I'm exploring the concept of solipsism with a positive attitude. What are the benefits? Your attempts at humour always hit the mark (with me.) Thanks! :) So yes, I don't think hurling 'solopsist!' at someone hurts

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hmm Let us be precise. That the computation take place in arithmetic is a mathematical fact that nobody doubt today. UDA explains only that we cannot use a notion of primitive matter for making more real some computations in place of others. It

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hence what I've called comp1 is the default materialist hypothesis (also known as the strong AI thesis, I think) Comp1 is not comp, even if it is comp for a materialist: but that position is proved to be nonsense. Comp is just I am a digitalizable

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 1:24 AM, Bruno Marchal wrote: On 08 Jun 2015, at 06:31, LizR wrote (to Brent) Note that Bruno rejects the conditioning on justified. Plato'sTheaetetusdialogue defines knowledge as true belief. I think that's a deficiency in modal logic insofar as it's supposed to

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of mathematician. This is important because everyone agree with any axiomatic of the numbers, but that is not the case for analysis, real numbers,

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread LizR
On 8 June 2015 at 16:22, Stathis Papaioannou stath...@gmail.com wrote: It seems here that you've snuck an extra assumption into comp1. We know that brains can be conscious, and we assume that computations can also be conscious. But that doesn't mean that only computations can be conscious,

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Bruce Kellett
LizR wrote: On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of mathematician. This is

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Russell Standish
On Sat, Jun 06, 2015 at 07:18:19PM -0400, John Clark wrote: On Sat, Jun 6, 2015 meekerdb meeke...@verizon.net wrote: In a Newtonian world physics is deterministic Yes, but deterministic is not the same as predictable. so there is an exact solution: That doesn't necessarily

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Stathis Papaioannou
On Tuesday, June 9, 2015, LizR lizj...@gmail.com javascript:_e(%7B%7D,'cvml','lizj...@gmail.com'); wrote: On 8 June 2015 at 16:22, Stathis Papaioannou stath...@gmail.com wrote: It seems here that you've snuck an extra assumption into comp1. We know that brains can be conscious, and we assume

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Russell Standish
On Tue, Jun 09, 2015 at 02:32:13PM +1200, LizR wrote: On 9 June 2015 at 14:10, Stathis Papaioannou stath...@gmail.com wrote: On Tuesday, June 9, 2015, LizR lizj...@gmail.com wrote: (And what's wrong with sneaked ?) I was trying to be faintly amusing, but I see that snuck may have

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread LizR
On 9 June 2015 at 05:29, meekerdb meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hmm Let us be precise. That the computation take place in arithmetic is a mathematical fact that nobody doubt today. UDA explains only that we cannot use a notion of primitive

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 4:16 PM, LizR wrote: On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread LizR
On 9 June 2015 at 14:00, meekerdb meeke...@verizon.net wrote: On 6/8/2015 4:16 PM, LizR wrote: On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread LizR
On 9 June 2015 at 11:26, Bruce Kellett bhkell...@optusnet.com.au wrote: LizR wrote: Reality isn't defined by what everyone agrees on. What makes ZFC (or whatever) real, or not, is whether it kicks back. Is it something that was invented, and could equally well have been invented differently,

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread LizR
On 9 June 2015 at 14:10, Stathis Papaioannou stath...@gmail.com wrote: On Tuesday, June 9, 2015, LizR lizj...@gmail.com wrote: (And what's wrong with sneaked ?) I was trying to be faintly amusing, but I see that snuck may have sneaked into the language:

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 7:41 PM, Russell Standish wrote: On Tue, Jun 09, 2015 at 02:32:13PM +1200, LizR wrote: On 9 June 2015 at 14:10, Stathis Papaioannou stath...@gmail.com wrote: On Tuesday, June 9, 2015, LizR lizj...@gmail.com wrote: (And what's wrong with sneaked ?) I was trying to be faintly

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread LizR
On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: or that maths exists independently of mathematicians. That even just arithmetical truth is independent of mathematician. This is important because everyone agree with any axiomatic of

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 4:13 PM, LizR wrote: On 9 June 2015 at 05:29, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno Marchal wrote: Hmm Let us be precise. That the computation take place in arithmetic is a mathematical fact that nobody doubt

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread meekerdb
On 6/8/2015 7:30 PM, LizR wrote: On 9 June 2015 at 14:00, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 6/8/2015 4:16 PM, LizR wrote: On 9 June 2015 at 05:31, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 6/8/2015 1:03 AM, Bruno

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Bruce Kellett
LizR wrote: On 9 June 2015 at 11:26, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: LizR wrote: Reality isn't defined by what everyone agrees on. What makes ZFC (or whatever) real, or not, is whether it kicks back. Is it something

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Bruno Marchal
On 08 Jun 2015, at 04:14, John Clark wrote: On Sun, Jun 7, 2015 Bruno Marchal marc...@ulb.ac.be wrote: that is enough to conceive the set of the Gödel number of true sentences of arithmetic, and prove theorems about that set. That set can be defined in standard set theory YOU CAN'T

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Bruno Marchal
On 08 Jun 2015, at 06:31, LizR wrote (to Brent) Note that Bruno rejects the conditioning on justified. Plato's Theaetetus dialogue defines knowledge as true belief. I think that's a deficiency in modal logic insofar as it's supposed to formalize good informal reasoning. But I can see

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Bruno Marchal
On 08 Jun 2015, at 01:14, meekerdb wrote: On 6/7/2015 3:00 PM, LizR wrote: On 8 June 2015 at 05:08, Bruno Marchal marc...@ulb.ac.be wrote: On 07 Jun 2015, at 18:35, John Clark wrote: On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be wrote: An event is just a place and a time; are you

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Bruno Marchal
On 08 Jun 2015, at 04:31, John Clark wrote: On Sun, Jun 7, 2015 at meekerdb meeke...@verizon.net wrote: everyone agrees that 2+2=4 by definition, it's not so clear that arithmetic objects exist. If 2+2=4 exists then 2+2=5 does too. 2+2 is true. That's all. Platonia may contain all

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread Bruno Marchal
On 08 Jun 2015, at 00:00, LizR wrote: On 8 June 2015 at 05:08, Bruno Marchal marc...@ulb.ac.be wrote: On 07 Jun 2015, at 18:35, John Clark wrote: On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be wrote: An event is just a place and a time; are you saying that mathematics is incapable

Re: The scope of physical law and its relationship to the substitution level

2015-06-08 Thread John Clark
On Mon, Jun 8, 2015 Bruno Marchal marc...@ulb.ac.be wrote: that is enough to conceive the set of the Gödel number of true sentences of arithmetic, and prove theorems about that set. That set can be defined in standard set theory YOU CAN'T MAKE A COMPUTATION WITH A DEFINITION! I can do

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread Bruno Marchal
On 07 Jun 2015, at 18:35, John Clark wrote: On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be wrote: An event is just a place and a time; are you saying that mathematics is incapable of handling 4 coordinates? Of course, applied mathematics exists, and you can represent event in

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread Bruno Marchal
On 06 Jun 2015, at 02:00, Bruce Kellett wrote: meekerdb wrote: On 6/5/2015 4:29 PM, Bruce Kellett wrote: meekerdb wrote: On 6/5/2015 12:22 PM, John Clark wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: It's very relevant if you want

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread John Clark
On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be wrote: An event is just a place and a time; are you saying that mathematics is incapable of handling 4 coordinates? Of course, applied mathematics exists, and you can represent event in mathematics, but you shopuld not confuse something

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread Bruno Marchal
On 05 Jun 2015, at 20:35, John Clark wrote: On Fri, Jun 5, 2015 Bruno Marchal marc...@ulb.ac.be wrote: Event is a physical notion. Algorithmic non compressibility is an mathematical notion. An event is just a place and a time; are you saying that mathematics is incapable of handling 4

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread Bruno Marchal
On 05 Jun 2015, at 21:03, John Clark wrote: On Fri, Jun 5, 2015 Bruno Marchal marc...@ulb.ac.be wrote: Do you agree that the simulated john Clark will still complain that matter is missing in computation, despite we know that he refers to number relations, without knowing it? If the

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread LizR
On 8 June 2015 at 11:14, meekerdb meeke...@verizon.net wrote: On 6/7/2015 3:00 PM, LizR wrote: On 8 June 2015 at 05:08, Bruno Marchal marc...@ulb.ac.be wrote: On 07 Jun 2015, at 18:35, John Clark wrote: On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be wrote: An event is just

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread Stathis Papaioannou
On Monday, June 8, 2015, LizR lizj...@gmail.com wrote: On 8 June 2015 at 05:08, Bruno Marchal marc...@ulb.ac.be javascript:_e(%7B%7D,'cvml','marc...@ulb.ac.be'); wrote: On 07 Jun 2015, at 18:35, John Clark wrote: On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread LizR
On 8 June 2015 at 05:08, Bruno Marchal marc...@ulb.ac.be wrote: On 07 Jun 2015, at 18:35, John Clark wrote: On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be wrote: An event is just a place and a time; are you saying that mathematics is incapable of handling 4 coordinates? Of

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread LizR
Must re-read my posts before sending. That should of course be which hypothesis, not why (D'oh!) And I seem to have too many coulds ...Oh well. -- You received this message because you are subscribed to the Google Groups Everything List group. To unsubscribe from this group and stop receiving

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread meekerdb
On 6/7/2015 3:00 PM, LizR wrote: On 8 June 2015 at 05:08, Bruno Marchal marc...@ulb.ac.be mailto:marc...@ulb.ac.be wrote: On 07 Jun 2015, at 18:35, John Clark wrote: On Sat, Jun 6, 2015 Bruno Marchal marc...@ulb.ac.be mailto:marc...@ulb.ac.be wrote: An event is

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread John Clark
On Sun, Jun 7, 2015 Bruno Marchal marc...@ulb.ac.be wrote: that is enough to conceive the set of the Gödel number of true sentences of arithmetic, and prove theorems about that set. That set can be defined in standard set theory YOU CAN'T MAKE A COMPUTATION WITH A DEFINITION! Half of your

Re: The scope of physical law and its relationship to the substitution level

2015-06-07 Thread John Clark
On Sun, Jun 7, 2015 at meekerdb meeke...@verizon.net wrote: everyone agrees that 2+2=4 by definition, it's not so clear that arithmetic objects exist. If 2+2=4 exists then 2+2=5 does too. Platonia may contain all true statements but it contains all false statement as well and even Platonia

Re: The scope of physical law and its relationship to the substitution level

2015-06-06 Thread John Clark
On Fri, Jun 5, 2015 Bruce Kellett bhkell...@optusnet.com.au wrote: So what is this lot of stuff that the mathematical abstractions leave out? Newton's mathematical abstractions leave out how 3 bodies of similar mass interact. Einstein's General Relativity field equations leave out the 3 body

Re: The scope of physical law and its relationship to the substitution level

2015-06-06 Thread John Clark
On Sat, Jun 6, 2015 meekerdb meeke...@verizon.net wrote: In a Newtonian world physics is deterministic Yes, but deterministic is not the same as predictable. so there is an exact solution: That doesn't necessarily follow. Approximations can be made but in general an exact solution to

Re: The scope of physical law and its relationship to the substitution level

2015-06-06 Thread John Clark
On Fri, Jun 5, 2015 , LizR lizj...@gmail.com wrote: (very much in theory) a TOE would describe everything - it would in principle be like Laplace's demon (though possibly only for a multiverse). Laplace's demon could make predictions and that is far more difficult than just making a

Re: The scope of physical law and its relationship to the substitution level

2015-06-06 Thread meekerdb
On 6/6/2015 10:24 AM, John Clark wrote: On Fri, Jun 5, 2015 , LizR lizj...@gmail.com mailto:lizj...@gmail.com wrote: (very much in theory) a TOE would describe everything - it would in principle be like Laplace's demon (though possibly only for a multiverse). Laplace's demon could

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread Bruno Marchal
On 05 Jun 2015, at 07:33, John Clark wrote: Bruno Marchal marc...@ulb.ac.be wrote: The physical device is far more complex than the algorithm, astronomically more complex, so you tell me which is a simplified approximation of which. The physical device is no more relevant to the

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread Bruno Marchal
On 04 Jun 2015, at 19:54, John Clark wrote: On Thu, Jun 4, 2015 Bruno Marchal marc...@ulb.ac.be wrote: or A string which is not algorithmically compressible, Yes, that is a very good example of an event without a cause. Event is a physical notion. Algorithmic non compressibility is

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread Bruno Marchal
On 05 Jun 2015, at 06:59, John Clark wrote: On Thu, Jun 4, 2015 , Bruno Marchal marc...@ulb.ac.be wrote: The point is just that the notion of computation, once you agree with Church-Turing thesis, is made into a purely arithmetical notion. That is incorrect. The Church-Turing thesis says

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread meekerdb
On 6/4/2015 10:33 PM, John Clark wrote: Bruno Marchal marc...@ulb.ac.be mailto:marc...@ulb.ac.be wrote: The physical device is far more complex than the algorithm, astronomically more complex, so you tell me which is a simplified approximation of which. The physical device is no

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread John Clark
On Fri, Jun 5, 2015 Bruno Marchal marc...@ulb.ac.be wrote: Event is a physical notion. Algorithmic non compressibility is an mathematical notion. An event is just a place and a time; are you saying that mathematics is incapable of handling 4 coordinates? Nothing caused the 9884th digit of

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread John Clark
On Fri, Jun 5, 2015 at 8:15 AM, Bruno Marchal marc...@ulb.ac.be wrote: Turing machine are not made of matter, If it's not made of matter then it's not a machine it's a Turing Something and it can't do a damn thing. and computation is definable in arithmetic, just using the symbol s, 0, +

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread John Clark
On Fri, Jun 5, 2015 Bruno Marchal marc...@ulb.ac.be wrote: Do you agree that the simulated john Clark will still complain that matter is missing in computation, despite we know that he refers to number relations, without knowing it? If the simulation had been done correctly then the

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread meekerdb
On 6/5/2015 12:22 PM, John Clark wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified approximation of what. And we both agree that a electronic computer is vastly more

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread John Clark
On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified approximation of what. And we both agree that a electronic computer is vastly more complex than it's logical schematic, so why can we make a working model of the complex

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread LizR
On 6 June 2015 at 07:22, John Clark johnkcl...@gmail.com wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified approximation of what. And we both agree that a electronic computer is vastly more complex than it's logical

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread LizR
On 6 June 2015 at 09:46, meekerdb meeke...@verizon.net wrote: On 6/5/2015 12:22 PM, John Clark wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified approximation of what. And we both agree that a electronic

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread meekerdb
On 6/5/2015 4:29 PM, Bruce Kellett wrote: meekerdb wrote: On 6/5/2015 12:22 PM, John Clark wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified approximation of what. And we

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread Bruce Kellett
LizR wrote: On 6 June 2015 at 07:22, John Clark johnkcl...@gmail.com mailto:johnkcl...@gmail.com wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread Bruce Kellett
meekerdb wrote: On 6/5/2015 12:22 PM, John Clark wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified approximation of what. And we both agree that a electronic

Re: The scope of physical law and its relationship to the substitution level

2015-06-05 Thread Bruce Kellett
meekerdb wrote: On 6/5/2015 4:29 PM, Bruce Kellett wrote: meekerdb wrote: On 6/5/2015 12:22 PM, John Clark wrote: On Fri, Jun 5, 2015 , meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: It's very relevant if you want to know what is a simplified approximation

Re: The scope of physical law and its relationship to the substitution level

2015-06-04 Thread John Clark
Bruno Marchal marc...@ulb.ac.be wrote: The physical device is far more complex than the algorithm, astronomically more complex, so you tell me which is a simplified approximation of which. The physical device is no more relevant to the algorithm than any other universal system. Yes,

Re: The scope of physical law and its relationship to the substitution level

2015-06-04 Thread John Clark
On Thu, Jun 4, 2015 at 6:34 PM, LizR lizj...@gmail.com wrote: Mr Clark's response to Bruno indicates that he (Mr Clark) doesn't know what he (Bruno) is talking about Correct. And Mr.Clark strongly suspects that Mr.Marchal doesn't either. However Mr Clark's opinion on this isn't

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