On Sun, Jul 19, 2015 at 1:17 PM, Bruno Marchal <[email protected]> wrote:
>> >> But the truth is if space-time* IS* quantized then the >> >> Real >> Numbers are a mathematical fiction >> . >> > > > > That does not follow. You might still need the real in the amplitudes. The > irrational sqrt(2) will not go away so easily. > If space-time is quantized (and it may or may not be) then the diagonal of a square that has a side of one unit is NOT the sqrt(2) , instead its amplitude could be exactly described with a number with a finite number of digits to the right of the decimal point and physics would have no need of the Real Numbers except as a handy approximation. Actually the Real Numbers are already a mathematical fiction in experimental physics, perhaps someday the same will be true of theoretical physics. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
