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The proof on this page has a small gap: it fails to take into account that some numbers don't have unique decimal expansion. For example, if all digits on the
by jwilk 6y ago
The proof on this page has a small gap: it fails to take into account that some numbers don't have unique decimal expansion.
For example, if all digits on the diagonal were 8, then z = 0.(9) = 1, which is not between 0 and 1.
- eru 6y agoYes. Though that problem is repairable.