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?

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 …

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 …

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. …

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 …

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 …

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.

In my opinion the less often a symbol is used where a few words can go, the better. That said, there are many places where symbols are useful and simplify matters. The word "where" can …

Jun 4, 2018 · This verbose form is perfectly acceptable in situations where it's not worth burdening the audience with an obscure symbol for something you won't use very often anyway.

Feb 10, 2013 · Title says it all (I think). I'm betting it's something to do with Standard Integrals though. What is this symbol "$\\int$" called?