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- Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange
In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B
- notation - what does ≼ or ≺ mean? - Mathematics Stack Exchange
The curly versions of the less than and greater than signs are commonly used to denote some other ordering than the one that we are usually talking about For instance there is a partial ordering on the symmetric matrices, where A ≼ B if and only if B − A is a nonnegative definite matrix We write ≼ instead of ≤ to avoid confusion with the ordering that we use more commonly This would
- What is the meaning of ⊊? - Mathematics Stack Exchange
I have encountered this when referencing subsets and vector subspaces For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've gathered Is ⊊ a sort of ≤ or lt
- 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 - Whats the difference between ≡ and ≣? - Mathematics . . .
What's the difference between "≡" ("identical to") and "≣" ("strictly equivalent to")? "Strictly equivalent to" ("≣") is UTF character 2263, classified in the
- The meaning of various equality symbols - Mathematics Stack Exchange
The meaning of various equality symbols Ask Question Asked 10 years, 1 month ago Modified 9 years, 1 month ago
- Three dot ∴ symbol meaning - Mathematics Stack Exchange
Whats the meaning of this symbol? Its a three dot symbol: ∴ I read a book, im could not find any definition of this symbol This is about continuum property of the natural numbers and the archimed
- notation - What does := mean? - Mathematics Stack Exchange
What does := mean?where we are saying that the two sides are equal, but we are not defining "1" to be the expression " sin2(θ) +cos2(θ) " Basically, some people think that there should be notational difference between saying "I define blah to be equal to blankety " and saying " blah is equal to blankety " So they use := for the first and = for the latter Usually, it is clear from context
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