Search All of the Math Forum:

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

Topic: Physics from logic?(Check my math)
Replies: 135   Last Post: Jun 7, 2012 1:25 PM

 Messages: [ Previous | Next ]
 namducnguyen Posts: 2,334 Registered: 12/13/04
Re: Physics from logic?(Check my math)
Posted: Apr 10, 2012 10:57 PM

On 10/04/2012 8:51 AM, Rotwang wrote:
> On 10/04/2012 15:11, Nam Nguyen wrote:
>> On 10/04/2012 6:49 AM, Michael Stemper wrote:
>>> Nguyen<namducnguyen@shaw.ca> writes:

>>>> On 08/03/2012 8:55 AM, Mike wrote:
>>>
>>>>> Can physics be derived from pure logic?
>>>>
>>>> That's a good question. I have only a limited knowledge about
>>>> mathematics and mathematical logic and my physics is even
>>>> worse; so I could only speculate here.

>>>
>>>> In the end I gave up: there are so many difficult things to learn
>>>> and yet nowhere have I found even a slightest hint in mathematics or
>>>> in logical reasoning that would explain the mystery as to why the speed
>>>> of light is 300,000.00 km/sec, instead of 299,299.99 km/sec!

>>>
>>> Would it bother you if somebody pointed out that the speed of light is
>>> neither of those, but is actually 299,792.458 km/s -- by definition?

>>
>> It was only a manner of speaking; the particular constancy value is
>> the issue. In this case the question is essentially the same: why
>> not, say, 299,792.457 km/s?
>>
>> Btw, " by definition"? I thought physics quantities are _measured_ ?

>
> Not in this case, no. The metre is defined to be 1/299792458 times the
> distance travelled by light in a vacuum in 1 second.

Same question, really: why would light not travel at 99.9999999% of the
current constant speed, instead of 100%?

--
----------------------------------------------------
There is no remainder in the mathematics of infinity.

NYOGEN SENZAKI
----------------------------------------------------

Date Subject Author
3/8/12 Mike
3/8/12 Androcles
4/3/12 Mike
4/4/12 Brian Q. Hutchings
4/5/12 Mike
4/5/12 Frederick Williams
4/5/12 Mike
4/6/12 Frederick Williams
4/5/12 Graham Cooper
4/5/12 Mike
4/5/12 Androcles
4/5/12 Brian Q. Hutchings
4/5/12 Mike
4/5/12 LudovicoVan
4/6/12 Mike
4/15/12 LudovicoVan
4/15/12 Mike
4/15/12 LudovicoVan
4/15/12 namducnguyen
4/16/12 Frederick Williams
4/16/12 Frederick Williams
4/16/12 Mike
4/16/12 namducnguyen
4/16/12 Mike
4/16/12 namducnguyen
4/16/12 Mike
4/17/12 namducnguyen
4/17/12 namducnguyen
4/17/12 Mike
4/17/12 namducnguyen
4/17/12 Mike
4/17/12 namducnguyen
4/17/12 Ala
4/17/12 Ala
4/17/12 namducnguyen
4/17/12 Ala
4/18/12 Mike
4/18/12 Frederick Williams
4/19/12 Michael Stemper
4/19/12 namducnguyen
4/19/12 Ala
4/17/12 Ala
4/17/12 Ala
4/17/12 Ala
4/15/12 LudovicoVan
4/6/12 Frederick Williams
4/6/12 Brian Q. Hutchings
4/6/12 Frederick Williams
4/7/12 namducnguyen
4/7/12 namducnguyen
4/7/12 namducnguyen
4/7/12 Mike
4/7/12 namducnguyen
4/7/12 namducnguyen
4/7/12 namducnguyen
4/7/12 Mike
4/8/12 Frederick Williams
4/8/12 Mike
4/8/12 Frederick Williams
4/8/12 Mike
4/9/12 Frederick Williams
4/9/12 Mike
4/9/12 Mike
4/10/12 Frederick Williams
4/10/12 Mike
4/11/12 Frederick Williams
4/11/12 Mike
4/11/12 Frederick Williams
4/14/12 Mike
4/14/12 Frederick Williams
4/14/12 Mike
4/14/12 Frederick Williams
4/14/12 Mike
4/15/12 Frederick Williams
4/15/12 Mike
4/15/12 Frederick Williams
4/15/12 Mike
4/15/12 Frederick Williams
4/11/12 Frederick Williams
4/12/12 Mike
4/14/12 Mike
4/15/12 Frederick Williams
4/15/12 Mike
4/15/12 Frederick Williams
4/15/12 Mike
4/15/12 Frederick Williams
5/20/12 Mike
5/23/12 Mike
6/6/12 David Bernier
6/7/12 Frederick Williams
6/7/12 Mike
6/7/12 ross.finlayson@gmail.com
4/15/12 Frederick Williams
4/15/12 Mike
4/15/12 Frederick Williams
4/15/12 Mike
4/15/12 Frederick Williams
4/15/12 Mike
4/15/12 Frederick Williams
4/9/12 namducnguyen
4/9/12 Frederick Williams
4/9/12 namducnguyen
4/9/12 Mike
4/9/12 namducnguyen
4/9/12 namducnguyen
4/9/12 namducnguyen
4/9/12 Mike
4/9/12 Mike
4/9/12 Ala
4/10/12 Mike
4/10/12 Frederick Williams
4/10/12 Mike
4/11/12 Frederick Williams
4/10/12 Michael Stemper
4/10/12 JT
4/10/12 namducnguyen
4/10/12 Rotwang
4/10/12 namducnguyen
4/11/12 Rotwang
4/11/12 namducnguyen
4/12/12 Frederick Williams
4/12/12 namducnguyen
4/12/12 namducnguyen
4/12/12 jbriggs444@gmail.com
4/14/12 namducnguyen
4/12/12 Rotwang
4/12/12 Rotwang
4/14/12 namducnguyen