
notation - What does := mean? - Mathematics Stack Exchange
Mar 5, 2011 · It's curious --and unfortunate-- that the symbol for emphasis became the symbol for negation. Granted, ASCII isn't the richest glyph set, and coders needed something, but why …
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
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. …
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.
logic - Is there a mathematical symbol for "if" or "when ...
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?
What's "the most right" symbol to use for "defined to be equal to"?
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 …
What does the math symbol - Mathematics Stack Exchange
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 …
notation - What is the symbol ≙ most commonly used for in a ...
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 …
"such that" logical symbol - Mathematics Stack Exchange
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 …
Three dot ∴ symbol meaning - Mathematics Stack Exchange
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 …
notation - Symbol for 'When ...' - Mathematics Stack Exchange
Nov 3, 2014 · Symbol for 'When ...' Ask Question Asked 11 years, 2 months ago Modified 11 years, 2 months ago