this post was submitted on 22 Nov 2024
84 points (96.7% liked)
math
811 readers
9 users here now
General community for all things mathematics on @lemmy.world
Submit link and text posts about anything at all related to mathematics.
Questions about mathematical topics are allowed, but NO HOMEWORK HELP. Communities for general math and homework help should be firmly delineated just as they were on reddit.
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
You could argue it's implied that a-z sequence contains x. But I agree that it's a bit ambiguous.
Here's what a better notation would look like:
Or
This way, both Bn and X could be any number and not just natural ones.