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I'm using \ssearrow to denote a deformation retraction in algebraic topology. I want to use the same arrow, but with two heads for a strong deformation retraction. It doesn't exist in MnSymbol.

Is there a way to add another head to \ssearrow?

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1 Answer 1

up vote 7 down vote accepted
\documentclass[12pt]{report}
\usepackage[T1]{fontenc}
\usepackage{amssymb,graphicx}
\def\SSEarrow{\ensuremath{\rotatebox[origin=c]{-60}{$\twoheadrightarrow$}}}
\begin{document}

\Huge\SSEarrow
\end{document}

enter image description here

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At 15yrs old, you friggin rock my friend. Thank you so much. –  Leon May 4 '11 at 19:24

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