Questions on the pronunciation of mathematical terms and notation.

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19
votes
3answers
497 views

How do you pronounce the inverse of the $\in$ relation? How do you say $G\ni x$?

If I am talking about sets $G$ and $H$ and I want to say in words that $G\subset H$, I, like everyone else, will say that $G$ is contained in $H$, or that $H$ contains $G$. But if I am talking about ...
1
vote
3answers
95 views

How do you pronounce x' and x''? [closed]

I am giving a presentation tonight, and the mathematical terms x' and x'' feature heavily in it. I pronounce them as "x-dash" and "x-dash-dash", but this gets a bit tiresome by the end of the ...
1
vote
1answer
88 views

How to pronounce $\chi^2$? [closed]

When talking about the $\chi^2$-test or the $\chi^2$-distribution, my colleagues have different pronunciations of the letter $\chi$. How should it be pronounced? I quickly found three different ways: ...
11
votes
7answers
5k views

pronunciation of sinh x, cosh x, tanh x for short [closed]

I heard teachers say [cosh x] instead of saying "hyperbolic cosine of x". I also heard [sinch x] for "hyperboic sine of x". Is this correct? How would you pronounce tanh x? Instead of saying ...
0
votes
3answers
123 views

How to pronounce “Sturm”? [closed]

The celebrated phrase "Sturm und Drang" is German. I know the pronunciation of the German noun "Sturm". But, I would like to pronounce the French name "Sturm" of "Jacques Charles François Sturm".
3
votes
1answer
198 views

Do you decline a multiplier in reading a mathematical formula in Russian?

How do you read "Порядок определителя равен $2n$"? Is it "двум эн" or is it "два эн"? And in a sum, do you read $c = a_5 + a_6$ as "це равно а пятому плюс а шестому"? Or does the plus sign interfere ...
3
votes
1answer
97 views

How would I pronounce the symbol $[E:F]$?

Recently I have been reading algebraic extension by own and get the symbol $[E:F]$. My question is how would I pronounce this symbol?
7
votes
4answers
1k views

How does one pronounce $a \odot b$?

I have seen authors use $\star$, $\ast$, $\cdot$ and $\odot$ to represent arbitrary binary operations on sets. I'm wondering, what is the standard way to read or pronounce something like $a \star b$? ...
4
votes
1answer
1k views

How do we pronounce this symbol?

I would like to know how to pronounce in english this symbol $\nabla \phi$ It is something phi ... ? thank you
4
votes
1answer
156 views

How do you pronounce $\mathbb{R}^2, \dots, \mathbb{R}^n$ [closed]

I've been starting some vector calculus and I keep pronouncing it "R squared" in my head, which is clearly wrong. What is a better way to pronounce it, so that I can state things like $f: \mathbb{R} ...
7
votes
1answer
216 views

pronunciation of “Kunen” [closed]

How should the last name of set theorist Ken Kunen be pronounced? I have heard both koo-nen and kyoo-nen from other people. Probably the best answer would be to say how he himself pronounces it, but ...
2
votes
4answers
444 views

How is “Hessian” pronounced? [closed]

How do mathematicians pronounce "Hessian"? From searching online I've learned that the term is named after Otto Hesse, a German, and that the German state of Hesse has lent its name to a boot. From ...
-1
votes
1answer
49 views

How to read subset notation in theorems? [closed]

How would you read a theorem that starts "Given a set $A \subseteq X$..."? For example: Given a set $A \subseteq \mathbb{R}$, the closure $\overline{A}$ is a closed set and is the smallest closed set ...
3
votes
2answers
78 views

How to most efficiently verbalize symbol for the principal ideal generated by an element of a commutative ring with unity?

Let $R$ be a commutative ring with unity, let $a$ be an element of $R$, and let $$\langle a \rangle := \{ ra \mid r \in R \}. $$ Then $\langle a \rangle$ is an ideal in $R$, called the principal ideal ...
2
votes
1answer
116 views

How to verbalize $R[x]$?

Let $R$ be a ring, and let $x$ be an indeterminate. Let $R[x]$ denote the ring of polynomials in $x$ with co-efficients in $R$. How to most efficiently read (i.e. pronounce) the symbol $R[x]$ while ...
65
votes
3answers
2k views

Is there a definitive guide to speaking mathematics?

Is there a definitive guide to speaking mathematics to avoid ambiguity? I'm writing a program to generate text for a variety of mathematical expressions and would like to code it so that it adheres ...
3
votes
2answers
2k views

What is this math symbol called? [closed]

My professors use a symbol $$x_0$$ and they pronounce it as x not or x nod, I am not sure what the exact name is because they have thick accents. I have tried looking this up on the Internet but I ...
20
votes
6answers
1k views

How to read letters such as $\mathbb A$, $\mathbb B$, etc., or $\mathfrak A$, $\mathfrak B$, etc.?

This is a soft question. We can read the letters $\bf A$, $\bf B$, etc. as bold A, bold B, etc. We can read the letters $\textit{A}$, $\textit{B}$, etc. as italic A, italic B, etc. We can read the ...
34
votes
11answers
4k views

How is $e^x$ read aloud?

My current research colleague from New Castle told me that I was reading it wrong. I usually read it as e power x. How do you read aloud $e ^ x$? Is it: e raised to x e power x e powered x or e ...
8
votes
2answers
1k views

How do you pronounce the symbol $'$ in $f'$?

I'm not a native English speaker. A quick Google search revealed the symbol's name is apostrophe, just like in French. When used in a mathematical setting, I usually call it prime, so for instance ...
5
votes
2answers
2k views

How do you pronounce (partial) derivatives?

I am not an English speaker that is why I asked this question. In addition, I think english.stackexchange.com is not the proper place to ask this because (I am so sorry) I don't think most of them ...
2
votes
3answers
284 views

How to say the notation $ x_{i,j}^{ k}$

$ x_{i,j}^{ k}$ May I say the following to say the above notation? x sub i j to k ? x sub i j sup(prounced like "soup") k ? (Can I say "soup" for "superscript"? Could you please show me a ...
1
vote
3answers
286 views

correct English pronunciation of the word poset

What is the correct English pronunciation of the word poset (Partially Ordered SET)? paazit or pow-set?
7
votes
5answers
805 views

How does one read aloud Vinogradov's notation $\ll$ and $\ll_{\epsilon }$?

How does one read aloud the Vinogradov's notation $\ll$ and $\ll_{\epsilon }$ as in $$f(x)\ll g(x)$$ and $$c\ll_{\epsilon }\left( \prod\limits_{p\mid abc}p\right) ^{1+\epsilon}.$$ Is the first one ...
3
votes
3answers
352 views

Pronouncing $A\triangle B$

How would one pronounce an expression involving a set symmetric difference, such as $A\triangle B$? Would that be read "A symmetric difference B?" Or perhaps something like "A xor B?" This came up ...
5
votes
2answers
629 views

How to pronounce “tableaux”?

How do you pronounce Young tableaux? Does it sound just like its singular form?
1
vote
2answers
305 views

How to pronounce ℓ? Is there any other way than 'ell'?

Reading aloud from a graph theory textbook, I encountered the letter ℓ. I assume that most people simply pronounce it 'ell'. However, is there any other way to pronounce it?