g******r
发帖数: 371 | 1 it's like two [[ (or ]]) overlapping together.
The function of this symbol is as follows,
assume a = 1 and b = 2,
then [[ a = 1 ]] returns 1 while [[ b = 1 ]] returns 0, only two values can
be returned, either 1 or 0.
Thanks a lot!! | c****w
发帖数: 565 | 2 use \ to escape special symbols | T*******n
发帖数: 493 | 3 \documentclass{minimal}
\usepackage{stmaryrd}
\let\llbr=\llbracket % shorthand
\let\rrkt=\rrbracket % shorthand
\begin{document}
\begin{equation}
\biggl\llbr\frac{0}{0}\biggr\rrkt
+ \llbr 0 \rrkt^{\llbr 0 \rrkt^{\llbr 0 \rrkt}}
\end{equation}
\end{document}
can
【在 g******r 的大作中提到】
: it's like two [[ (or ]]) overlapping together.
: The function of this symbol is as follows,
: assume a = 1 and b = 2,
: then [[ a = 1 ]] returns 1 while [[ b = 1 ]] returns 0, only two values can
: be returned, either 1 or 0.
: Thanks a lot!!
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