The symbol ≅ is used for isomorphism of objects of a category, and in particular for isomorphism of categories (which are objects of CAT). The symbol ≃ is used for equivalence of categories. …

Jun 23, 2015 · $\\mathbb Q$ is used to represent rational numbers. $\\mathbb R$ is used to represent reals. Is there a symbol or convention that represents irrationals. Possibly $\\mathbb …

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.

Nov 13, 2020 · To introduce a logic premise, normally people use the words "if" or "iff" (if and only if). Is there a mathematical symbol with the same meaning?

Sep 3, 2015 · How to type the § symbol I just wanted to help out some fellow 1Ls writing briefs or taking notes by showing how to quickly type the section symbol. If you are using windows, § …

What's the most used symbol for "defined to be equal to", at least in your experience (and I'm sure there are a lot of experienced people here)? Also, which one do you think is the "the most …

May 1, 2023 · I expect that there are dozens or even hundreds of different ways that authors, teachers, and more have written the phrase "such that" symbolically. I remember one of my …

Sep 26, 2022 · Like the title anybody know or have a list of alt code for gd&t symbol to use in excel ?

So, in the definition of what is a square root, x−−√ x are all numbers y y such that y × y = x y × y = x. are there any logical mathematical symbols so that the above definition can be written using …

Aug 31, 2019 · In this case, drawing the mysterious symbol gives Either \propto or \varpropto seems to give the correct symbol. TeX often uses "var" to indicate a variation of a symbol (for …