On Sat, Jun 11, 2016 at 3:03 PM, Brent Meeker <[email protected]> wrote:

​>​
> There are no "incorrect calculations".


​2+2=5​


​> ​
> It's just a universal Turing machine that runs all one step programs, all
> two step programs, etc.  Some programs stop.  Some programs fall into
> infinite loops.  Some just keep computing.


​And some are consistent with the
Peano postulates
​ and some are not, those that aren't physicists have no use for because
they can attach no meaning to them. Mathematicians could start with 2+2=5
as an axiom and build some form of arithmetic from that, it would be a
pretty silly thing to do but it wouldn't surprise me if some mathematician
had actually done it. And that's the trouble with mathematicians, sometimes
when they drift higher and higher into the stratosphere they start to sound
like Minnie Mouse on helium. Physicist are bound by something,
observational facts, but mathematicians have no such bound so sometimes
they end up moving in all directions and going nowhere.     ​


> ​> ​
> These are all abstract processes that "exist" in the mathematical sense.


​What sense is that?​



> ​> ​
> There is no sense in which they can be correct or incorrect.


​What about non-sense? ​

​

 John K Clark​

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