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Summary

Commutative diagram illustrating a universal cone (or a limit in category). Can also be used to any depict a morphism of cones.

Licensing

I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

TeX source

\begin{diagram}
F(X) & & \rTo^{F(f)} & & F(Y) \\
& \rdTo(2,2)^{\phi_X}\rdTo(2,4)_{\psi_X} & & \ldTo(2,2)^{\phi_Y}\ldTo(2,4)_{\psi_Y} & \\
& & L & & \\
& & \dDashTo~u &  & \\
& & N & & \\
\end{diagram}