[texhax] Description: \lbrace \rbrace

Barbara Beeton bnb at ams.org
Sat Nov 14 17:43:02 CET 2009

On Sat, 14 Nov 2009 prstanley at ntlworld.com wrote:

    %the \langle \rangle are used extensively in CSP formal notation.
    %Would I be correct in thinking, based on the identifier names, that they
    %draw something similar to the <> symbols?

    \documentclass [a4paper, 12pt] {article}

    \usepackage {amssymb}

    \begin {document}

    $\langle a, b \rangle$

    \end {document}

with tex, < and > should (ordinarily) be used
only to mean less than and greater than.

they are used in html as angle brackets, but
that's probably mainly because they are usually
on keyboards.

\langle and \rangle are the tex angle brackets;
they are shallower than < and > and can be
sized with \left and \right.
						-- bb

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