Chronology Current Month Current Thread Current Date
[Year List] [Month List (current year)] [Date Index] [Thread Index] [Thread Prev] [Thread Next] [Date Prev] [Date Next]

Re: [Phys-L] irrationals



Some branches of mathematics (note the ’s’) do not allow for the existence of infinities/infinitesimals.


On Sep 12, 2017, at 4:32 PM, John Denker via Phys-l <phys-l@mail.phys-l.org> wrote:

On 09/12/2017 08:00 AM, Chuck Britton wrote:

If you think that 1.9999... is NOT identical to 2 then it behooves
you to present a number that falls between these other two numbers.

That's reasonable; see below for additional detail.

If you think that infinite expansions should not be a part of the
particular mathematical system that you are currently using, then
that is fine.

Lost me there.