Jun 25, 2014 · 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.

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 …

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 …

Dec 22, 2020 · 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 …

Mar 3, 2019 · 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 …

May 20, 2018 · What's the difference between "≡" ("identical to") and "≣" ("strictly equivalent to")? "Strictly equivalent to" ("≣") is UTF character 2263, classified in the ...

Since your professor was referring to engineering students, then it's likely they were referring to the identity symbol, which is used in an expression to mean the left and right hand sides are …

May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 1 month ago Modified 9 years, 1 month ago

Mar 18, 2011 · 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) sin 2 (θ) + cos 2 (θ) ". Basically, some …

Mar 25, 2021 · So I'm just getting into topology and I see spaces such as S1 S 1 or S2 S 2 used a lot. What is the meaning of S1 S 1 or S2 S 2? Furthermore, what is meant by the cartesian …