
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 …
notation - What does := mean? - Mathematics Stack Exchange
Mar 18, 2011 · For future reference, the table of mathematical symbols at wikipedia is fairly extensive and has a number of further references.
What does the function f: x ↦ y mean? - Mathematics Stack …
Apr 20, 2016 · So, $↦$ is really just the math operator/binder $λ$, in disguise. Thus, one might just as well write $ (x ↦ x^2) (3) = 3^2 = 9$, denoting the function directly rather than through …
Three dot ∴ symbol meaning - Mathematics Stack Exchange
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 numbers …
What is the meaning of $\exp (\,\cdot\,)$? - Mathematics Stack …
What is the meaning of the notation $\exp (\text {expression})$ ? I think that it's something of the form $a^\text {expression}$ but does it mean that the base $a=e ...
What does "∈" mean? - Mathematics Stack Exchange
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.
Much less than, what does that mean? - Mathematics Stack …
Nov 7, 2015 · What exactly does $\ll$ mean? I am familiar that this symbol means much less than. ...but what exactly does "much less than" mean? (Or the corollary, $\gg$) On Wikipedia, the …
What is meant by canonical? - Mathematics Stack Exchange
Sep 11, 2013 · @AlexYoucis Yeah I figured, but what is that technical meaning (and how does it relate to this case)?. There are dozens of other terms in which canonical is used.
What does "s.t." mean? - Mathematics Stack Exchange
What does "s.t." mean? Ask Question Asked 11 years, 2 months ago Modified 5 years, 8 months ago
What does the semicolon ; mean in a function definition
Mar 27, 2013 · In programming terms, parameter is a name for a variable in function definition. When using the function, you give arguments. I tend to think that the general syntax in math is …