On 2023-06-10 21:49, Richard Kimberly Heck wrote:
On 6/10/23 02:17, Daniel wrote:
On 2023-06-10 05:54, Tom Goldring wrote:
If I put in the [\mathbb] "R" followed by _\aleph_0, the R and the
aleph show up correctly, but the zero (the subscript of the aleph)
shows up as a different character (I think it's the character that's
used in formal logic to mean something like "is not a proof of").
I do not know why it is showing different symbols.
It's because the 'blackboard' font is quite limited (to ASCII caps, I
think). If you type characters not present in that font, you get weird
results.
Riki
I see. Would be better to get an undefined symbol, e.g. questions marks,
rather than weird symbols. But I guess there is some technical reason
for this.
Daniel
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