Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange 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
What is the meaning of ⊊? - Mathematics Stack Exchange 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 ≤ or lt
Three dot ∴ symbol meaning - Mathematics Stack Exchange 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 archimed
Textbook Notation: Meaning of cf. - Mathematics Stack Exchange Cf : "The abbreviation cf (short for the Latin: confer conferatur, both meaning 'compare') is used in writing to refer the reader to other material to make a comparison with the topic being discussed
What is the meaning of - Mathematics Stack Exchange So I'm just getting into topology and I see spaces such as S1 S 1 or S2 S 2 used a lot What is the meaning of S1 S 1 or S2 S 2? Furthermore, what is meant by the cartesian product S1 ×S1 S 1 × S 1 or S2 ×S2 S 2 × S 2? I've looked everywhere and it's a difficult question to Google All I know is that it has to do with circles Like a two-dimensional torus is composed of two circles and a
What do the symbols d dx and dy dx mean? Okay this may sound stupid but I need a little help What do d dx d d x and dy dx d y d x mean? I need a thorough explanation Thanks