4 votes

Game Theory Textbooks without Poor Notation?

Looking at Fudenberg and Tirole's book, there is no contradiction in their notation. Here are the relevant quotes from section 3.2.1 (if I missed anything, please let me know): We let $h_0=\...
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3 votes

Notation and terminology of definite integrals

You should think of $$ \int^2_0 (x^2+3x) dx \tag1$$ as $$ \int_a^b f(x)\;dx $$ where $a=0, b=2$ and $f$ is the function described by $f(x) = x^2+3x$. Yes, $(1)$ is the limit of Riemann sums, where of ...
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2 votes
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Notation and terminology of definite integrals

...[this] lead me to question [of] what we actually consider [to be] the definite integral. Is it the limit of the Riemann sum as I mentioned or is it the notation that we use, namely $\displaystyle \...
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2 votes
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What does this symbol mean in set theory? c/=

What you did in Photoshop is not the symbol. Schuller writes on the board $C \subseteqq \mathcal{O}$ to mean a collection of open sets. Here $\subseteqq$ should be interpreted as $\subseteq.$
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2 votes

Notation for repeating the concatenation operation

The answer to whether "it is okay" for you to express concatenation like that is always "yes". It's okay for you to do anything as long as you explain yourself. No one is stopping ...
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1 vote
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Is there another notation for 'is not related to'?

Assuming that you are talkink about binary relations. One notation to denote that $a$ is related to $b$ is $aRb$, and if that relation does not hold to write $\lnot aRb$ or less ambiguously $\lnot(aRb)...
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Is the following notation common in calculus books? $\int_{0}^{\frac{\pi}{2}} (1-\sin^2\theta)\,d(\sin\theta)$

American Calculus books usually use such notation in the context of Riemann-Stieltjes integration, but not for regular Riemann one. I know the Russian analysis books use this notation very frequently. ...
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1 vote
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What does $[\mathbf{a}]_\times\mathbf{b}$ mean?

The above transforms a vector function into a linear algebra matrix product $$ \begin{pmatrix} a_x \\ a_y \\ a_z \end{pmatrix} \times \begin{pmatrix} b_x \\ b_y \\ b_z \end{pmatrix} = \begin{bmatrix} ...
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