Image:Natural trafo.png
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Diagram illustrating the defining property of natural transformations, produced with the TeX package XYpic using the following source code. Both the image and the source code are released into the public domain.
% Produce a postscript file from this input with tex and dvips.
% Loading the XY-Pic package:
\input xy
\xyoption{all}
% Using postscript driver for smoother curves
\xyoption{ps}
\xyoption{dvips}
% No need for page numbers
\nopagenumbers
$$
\xymatrix{ %Our diagram is a 2x2 matrix
F(X)\ar[d]_{\eta_X}\ar[r]^{F(f)} & F(Y)\ar[d]^{\eta_Y}\\
G(X)\ar[r]^{G(f)} & G(Y)
}
$$
\end
Missing image Heckert_GNU_white.png | Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers. |
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