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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 $\\mathbb R - \\mathbb Q$?
- Sniffies color and symbol meanings? : r Sniffies - Reddit
I just joined and need help understanding what all the different profile colors and symbols on the map Is there a list of meanings on the site?
- 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 ?
- 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
- Whats the most right symbol to use for defined to be equal to?
18 $$:=$$ is the commonest symbol to denote "is equal by definition " Note that $$\equiv$$ is used to denote an algebraic identity: this means that the equation is true for all permitted values of its variables Rarely, however, it may denote a definition, so it's best to use this symbol only for congruences or identities
- 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
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