In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B...

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 …

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 …

May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 7 months ago Modified 9 years, 7 months ago

What is the meaning of N0 N 0? To put it into context, I have in my notes, f(k) f (k), k∈ N0 k ∈ N 0 is a continuous function on [−π,π] [π, π]. How is it different to saying k∈ N k ∈ N?

Apr 28, 2012 · Edit: to simply say, what I really need is somehow formal or intuitive concept of topology and topological space that would allow me to grasp the meaning of topology and topological space. …

Jul 1, 2022 · Textbook Notation: Meaning of cf. [closed] Ask Question Asked 3 years, 5 months ago Modified 3 years, 5 months ago

What is the meaning of $\exp (\,\cdot\,)$? Ask Question Asked 13 years, 7 months ago Modified 2 years, 8 months ago

Oct 26, 2010 · I am currently learning about the concept of convolution between two functions in my university course. The course notes are vague about what convolution is, so I was wondering if …

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 …