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Le 11/09/2024 à 23:13, FromTheRafters a écrit :Ummm.... Have you heard of the really dark points?Chris M. Thomasson laid this down on his screen :On 9/11/2024 12:40 PM, WM wrote:Grey points are dark points which can become visible. But the endpoints of open intervals will remain dark forever.Open intervals are intervals which have dark endpoints.>
What about the gray ones?
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