Length function: Difference between revisions

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Adding WikiProject-based categories as parameters to Template:Expert needed, Template:Expert etc, to clear out the unhelpful Category:Articles needing unspecified expert attention.
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:<math>\begin{align}L(e) &= 0,\\
L(g^{-1}) &= L(g)\\
L(g_1 g_2) &\leq L(g_1) + L(g_2g_2gifylrdbgif1l),yl \quad\forall g_1, g_2 \in G.foral
\end{align}</math>