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Am 06.11.2024 um 21:59 schrieb Chris M. Thomasson:Indeed!On 11/6/2024 8:36 AM, WM wrote:Hint: In contrast to WM's psychomath we do not have to "decide" if a number z is inside or outside of a certain interval. It IS EITHER inside of the interval OR NOT. (No "decision" necessary.)On 05.11.2024 18:25, Jim Burns wrote:>
>>>
Instead, there are boundary points.
For each x not.in the intervals,
each open set Oₓ which holds x
holds points in the intervals and
points not.in the intervals.
x is a boundary point.
For every definable x we can decide whether it is inside the interval including its endpoints or outside. No open intervals are necesseary or useful. Your trick is cunning bot not accepted.
For any z we can decide if its inside or outside of <whatever>
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