5

How can the first { and last } in the following be made larger?

  $A =\left \{a \notin\{1, 2\}, \ b\notin \{4,5\}\right\}$.
  • 2
    \big or similar- have a look at the Not so short guide to LaTeX – cmhughes Nov 19 '12 at 5:01
13

There are several ways to increase the height of the braces:

  1. Use a \vphantom{} inside the \left\{ and \right\} so that the content appears to have greater height causing the size of the braces to increase:

    $B =\left\{ \vphantom{y^2} a \notin \{1, 2\} \right\}$
    
  2. Specify a fixed size of the brace (as cmhughes sugested):

    $C =\big\{ \vphantom{y^2} a \notin \{1, 2\} \big\}$
    
  3. Or use automatic growth for nested parenthesis as per automatic size adjustment for nested parentheses:

    \setlength\delimitershortfall{-2pt}
    $D =\left\{ a \notin \{1, 2\}  \right\}$
    

References:

Fixed Size:

Automatic Re-size:


enter image description here

Code:

\documentclass{article}
\usepackage{amsmath}

\begin{document}
$A =\left\{ \{1, 2\} \right\}$,
$B =\left\{ \vphantom{y^2} \{1, 2\} \right\}$,
$C =\big\{ \{1, 2\} \big\}$,
\setlength\delimitershortfall{-2pt}
$D =\left\{ \{1, 2\}  \right\}$.
\end{document}

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.