I don't understand this

[Richard Kimberly Heck]

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