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- Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange
The symbol ≅ is used for isomorphism of objects of a category, and in particular for isomorphism of categories (which are objects of CAT) The symbol ≃ is used for equivalence of categories At least, this is the convention used in this book and by most category theorists, although it is far from universal in mathematics at large
- notation - What does ∈ mean? - Mathematics Stack Exchange
I have started seeing the "∈" symbol in math What exactly does it mean? I have tried googling it but google takes the symbol out of the search
- notation - Is there an accepted symbol for irrational numbers . . .
$\\mathbb Q$ is used to represent rational numbers $\\mathbb R$ is used to represent reals Is there a symbol or convention that represents irrationals Possibly $\\mathbb R - \\mathbb Q$?
- Alt code for gd t symbol : r Metrology - Reddit
Like the title anybody know or have a list of alt code for gd t symbol to use in excel ?
- Yellowjackets Explained: The Mystery of the Symbol and How the . . . - Reddit
There is a common thread running through many of the mysteries and hints in the series—the mysterious symbol, (alleged) astronomical symbols, cannibalism, and the sign of the bird and water symbolism in Episode 8 This thread also runs through questions with seemingly obvious answers, especially, “Why is the series called Yellowjackets?” It all boils down to trigonometry, occultations
- What does the symbol on Gaaras forehead mean? - Reddit
I personally think that it's a symbol of his transition into a semi-delusional relationship with his "mother" (the sand) Only the sand loves him, so it wrote love, but the sand also hurts him, so it wrote love in the form of a bloody scar Or he just wanted a cool tattoo Reply reply more repliesMore replies more replyMore repliesMore replies
- Can anyone tell me what this symbol is indicating? - Reddit
Can anyone tell me what this symbol is indicating? Add a Comment Sort by: Search Comments
- What is the symbol for primes? - Mathematics Stack Exchange
Here's another symbol I've seen for the primes: $\mathcal {P}$ I think it was in an ArXiV paper, I doubt it was in an actual book from a library Don't use $\mathfrak {P}$, though, that's more commonly used for a prime ideal (plus it looks like a B, to boot) But, how often do you have to refer to the positive primes of $\mathbb {Z}$ as a set?
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