The curly versions of the less than and greater than signs are commonly used to denote some other ordering than the one that we are usually talking about. For instance there is a partial ordering on the …

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 and the …

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 gathered. Is ⊊ a sort of …

Jul 1, 2022 · Textbook Notation: Meaning of cf. [closed] Ask Question Asked 3 years, 6 months ago Modified 3 years, 6 months ago

Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, …

Jul 22, 2010 · Just to enlarge on Harry's answer: Your symbol denotes one of two specified notions of implication in formal logic ⊢ ⊢ -the turnstile symbol denotes syntactic implication (syntactic here …

Mar 5, 2011 · What does := mean? where we are saying that the two sides are equal, but we are not defining "1" to be the expression " sin2(θ)+cos2(θ) sin 2 (θ) + cos 2 (θ) ". Basically, some people …

Aug 26, 2017 · It seems like perpendicular and normal would not have a nice meaning whereas orthogonal would as it is defined in terms of the dot product. Can someone give me a detailed …

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 understand a book …

Apr 8, 2012 · That is, the cardinality of one cardinal raised to the power of another is just the cardinality of the functions from the latter to the former. The name 'powerset' also makes sense once thought of …