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.

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 …

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 …

Jan 18, 2021 · Why is this downvoted? This is an accurate example of a text using a symbol for dependence, exactly what the questioner wanted! Came here because I'm reading it and …

What is the symbol ≙ most commonly used for in a mathematical or math-related context? LaTeX produces the symbol with \hateq. The symbol has Unicode codepoint U+2259. The respective …

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 …

Nov 3, 2014 · Symbol for 'When ...' Ask Question Asked 11 years, 2 months ago Modified 11 years, 2 months ago