
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.
inequality - What does <> mean? - Mathematics Stack Exchange
Jul 28, 2021 · What do the less-than and greater-than symbols right next to each other mean? Does it mean either less than or greater than? In other words, not equal? I am trying to understand a book …
notation - What does the Greek "E"-like symbol mean? - Mathematics ...
Sep 23, 2017 · What does the Greek "E"-like symbol mean? Ask Question Asked 8 years, 2 months ago Modified 3 years, 10 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 funcname …
notation - 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.
What does the function f: x ↦ y mean? - Mathematics Stack Exchange
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 a level of …
What does it mean to say "a divides b" - Mathematics Stack Exchange
Jun 24, 2016 · What does it mean to say "a divides b" Ask Question Asked 9 years, 5 months ago Modified 9 years, 5 months ago
What does the exclamation mark do? - Mathematics Stack Exchange
Sep 27, 2011 · For completeness: Although in mathematics the $!$ almost always refers to the factorial function, you often see it in quasi-mathematical contexts with a different meaning. For example, in …
Derivatives 101: what does "with respect to" mean?
Jun 30, 2018 · I'm studying derivatives 101 and I can't get my head around the phrasing "with respect to" something. Eg in chain rule we calculate the derivative of outer function with respect to inner + deriva...
What does "min" mean? - Mathematics Stack Exchange
Jun 14, 2017 · What does "min" mean? Ask Question Asked 8 years, 5 months ago Modified 8 years, 5 months ago