/usr/share/doc/cadabra/properties/Diagonal.tex is in cadabra 1.46-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | \cdbproperty{Diagonal}{}
Indicates that the object to which the property is attached only has
non-zero components on the diagonal, i.e.~when all indices take the
same value.
\begin{screen}{1,2}
\delta_{m n}::Diagonal.
\delta_{1 2} \delta_{1 2} - \delta_{1 1} \delta_{2 2};
@canonicalise!(%);
- \delta_{1 1}\delta_{2 2};
\end{screen}
~
\cdbseeprop{Coordinate}
|