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- notation - What does := mean? - Mathematics Stack Exchange
It's curious --and unfortunate-- that the symbol for emphasis became the symbol for negation Granted, ASCII isn't the richest glyph set, and coders needed something, but why settle on the symbol that means in prose the exact opposite of what it means in code? Irony?
- 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 $\\mathbb R - \\mathbb Q$?
- Getting `unresolved external symbol __imp__` linker errors . . . - Reddit
Getting `unresolved external symbol __imp__` linker errors when using standard library
- notation - What is the mathematical symbol for range? - Mathematics . . .
An unsophisticated question from a neophyte: Given the numbers: $1,2,3,4,5$ What is the symbol for the range of the numbers? i e the lowest-highest number in the set For example, the min max
- What do these symbols means? Usually I experience lag when . . . - Reddit
I don't know specifically what each symbol means because there's loads of random ones but I know that they all mean there's a connectivity issue
- Symbol for “such that” (not in set) - Mathematics Stack Exchange
Nobody should be using $\ni$ to mean "such that"; it is used in texts everywhere to mean $\in$ but in the reverse direction (that's why the LaTeX code is "\ni" after all) I would argue ":" is the superior notation for set-building since (in most handwriting) it is the least likely to be confused with anything else (I, l, 1), hence being the most readable
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