A nice, concise overview of the reasons to move away from social media, and how to do it, including the Fediverse and POSSE.
If ℕ is natural numbers and ℚ is rational numbers and ℤ is integers and ℝ is the rational numbers, what are 𝕏 and 𝕐?
𝕐: What Comes After 𝕏?
Submitted 2 weeks ago by XopherH@lemmy.world to technology@lemmy.world
Comments
TootSweet@lemmy.world 2 weeks ago
palordrolap@kbin.social 2 weeks ago
Not aware of any specific usages, but maybe they're used as meta-sets. e.g. "consider a set of numbers 𝕏 and a set of numbers 𝕐 ... etc, which can't be done with the defined letters.
Unicode originally only had the double-struck letters for the defined sets ℂ, ℍ, ℕ, ℙ, ℚ, ℝ and ℤ, but the full alphabets were later added at higher code-points with "reserved" gaps where the defined seven letters would otherwise appear.
(Complex, Hamiltonian quaternions, Natural, Prime, Quotient (rational), Real and Zahlen, a German word for counting numbers, for anyone wondering. Also, ℍ not getting "ℚ" because ℚ couldn't have "ℝ" is kind of funny.).
TheFonz@lemmy.world 2 weeks ago
Shouldn’t it be sans serif though? Low effort.
MrJameGumb@lemmy.world 2 weeks ago
So… Do you care to explain further or should we just sign up based on this static image you posted?
XopherH@lemmy.world 2 weeks ago
My bad. Have restored the link.
OpenStars@discuss.online 2 weeks ago
A related article that I found so interesting I could barely put it down, and helped convince me to leave Reddit and come here instead: medium.com/…/the-cargo-cult-of-the-ennui-engine-8….
l3ycle@feddit.de 2 weeks ago
\mathbb{} ultras
SnotFlickerman@lemmy.blahaj.zone 2 weeks ago
Your link is just to a picture, not to an article.
AbidanYre@lemmy.world 2 weeks ago
It is concise though. You gotta give him that.
XopherH@lemmy.world 2 weeks ago
My bad. Still getting Lemmy down.