File:Horseshoe-lemma-statement.svg
Summary
| Description |
English: What the horseshoe lemma gives you (mathematics: homological algebra) |
| Method | PDF created with pdflatex. Converted to SVG by pdf2svg. Clipped using Inkscape. |
| Date | |
| Source | Own work |
| Author | David J. Green (Mathematician) |
| SVG development |
LaTeX source
\documentclass[a4paper]{article}
\usepackage{amscd}
\begin{document}
\thispagestyle{empty}
\[
\begin{CD}
0 @>>> P^L_* @>{f_*}>> P^M_* @>{g_*}>> P^N_* @>>> 0
\\ && @V{\varepsilon^L}VV @V{\varepsilon^M}VV @V{\varepsilon^N}VV
\\ 0 @>>> L @>>{f}> M @>>{g}> N @>>> 0
\end{CD}
\]
\end{document}
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