Sep 3, 2022 · Now, what exactly does undefined mean? Because I've also noticed that most mathematicians tend to use "undefined" when interpreting a value that is approaching both …

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 …

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.

Mar 8, 2017 · Different branches of mathematics give so many common symbols their own distinctive meaning. It is confusing, but you often have to rely on context to interpret an …

what does ∇ (upside down triangle) symbol mean in this problem Ask Question Asked 15 years, 2 months ago Modified 4 years, 7 months ago

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 13, 2022 · For instance, what does "z.y^2" mean in the function D (z)? Can someone please help me understand the meaning of "periods and commas" in mathematical functions?

May 18, 2022 · So yes, I hear the term "canonical" come up quite often. Examples: "canonical homomorphism", "canonical map, " etc. What is really meant by this?

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 …

Jun 30, 2018 · Sometimes humans define functions with respect to specific symbols, though mathematically speaking, symbols don't have a pregiven meaning. In this sense, saying to …