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Re: Why do we need those real nonconstructible numbers?
Posted:
Nov 8, 2017 4:23 PM


Am Mittwoch, 8. November 2017 14:05:10 UTC+1 schrieb John Gabriel: > On Wednesday, 8 November 2017 07:55:40 UTC5, WM wrote:
> > Incommensurable means not simultaneously measurable with one and the same meter stick. > > No. Incommensurable means not measurable with ***ANY*** stick except itself!
The diagonal of a square can be measured by itself, by half of itself, by quarter of itself, and so on. > > > If you draw a unit circle you have constructed pi. > > Nope. You've only constructed the symptom of pi.
John, you call it the symptom, others call it a circle of length 2pi. That is not a deep question and not worthwile a discussion.
Regards, WM



