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  1. notation - What does "∈" mean? - Mathematics Stack Exchange

    Jun 25, 2014 · Another possible notation for the same relation is {\displaystyle A\ni x,} A\ni x, meaning "A contains x", though it is used less often. The negation of set membership is …

  2. Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange

    The $\approx$ is used mostly in terms of numerical approximations, meaning that the values in questions are "close" to each other in whatever context one is working, and often it is less …

  3. What is the meaning of ⊊? - Mathematics Stack Exchange

    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 …

  4. The meaning of various equality symbols - Mathematics Stack …

    May 6, 2015 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

  5. Three dot ∴ symbol meaning - Mathematics Stack Exchange

    Mar 3, 2019 · Three dot ∴ symbol meaning. Ask Question Asked 6 years, 3 months ago. Modified 3 years, 5 months ago.

  6. notation - What is the meaning of $\exp(\,\cdot\,)

    Meaning of the notation $[G : H]$ in group theory . Hot Network Questions What is the rationale for zoning regulations prohibiting small shops in residential areas?

  7. Meaning of convolution? - Mathematics Stack Exchange

    Oct 26, 2010 · The course notes are vague about what convolution is, so I was wondering if anyone could give me a good explanation. I can't seem to grasp other than the fact that it is …

  8. Textbook Notation: Meaning of cf. - Mathematics Stack Exchange

    Jul 1, 2022 · precise meaning of surd notation. 1. Meaning of following notation. 1. Set notation meaning. 0.

  9. elementary set theory - What's the meaning of $\tilde {y ...

    May 17, 2020 · This chapter is about Maps in Set Theory. The authors explain the meaning of each symbol, nevertheless, they missed this one. I did some research in Wolfram Math World, …

  10. What does "versus" mean in the context of a graph?

    The answer (as is often the case) come from Latin. "versus" simply means against and is used in the sporting context as well. We say that in some contest "Team A versus team B", meaning …