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 …

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 …

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 …

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

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?

To add to the above: I prefer personally to use either $\mathbb{N}_0$ or $\mathbb{Z}_{\geq 0}$ if I want to be absolutely clear that $0$ is included.

What is the meaning of “Alors Heureu(se)x”? X-Files episode where townspeople eat human flesh to stay young Adding multiple equations

Mar 25, 2021 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

Jan 26, 2020 · $(\Bbb Z/n\Bbb Z)^\times$ often means the group of units.It consists of all the elements in $\Bbb Z/n \Bbb Z$ that have an inverse.

May 8, 2019 · What is the meaning of $\mathbb{R}^n$? Hot Network Questions Drawing "two police officers" (squeeze theorem) metaphor with stylized uniforms for sequences