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I'm trying to write some equations in LaTeX. They are inside an align environment. My code is the following:

\begin{align*}

\omega_\mu{}^{ab}(e) &= \frac{1}{2} \eta^{ac} \eta^{bd} e^\nu_c e^\rho_d ( \Omega_{[\mu \nu] \rho} - \Omega_{[\nu \rho] \mu} + \Omega_{[\rho \mu] \nu})

\\ &= \frac{1}{2} e^{\nu a} e^{\rho b} ( \Omega_{[\mu \nu] \rho} - \Omega_{[\nu \rho] \mu} + \Omega_{[\rho \mu] \nu})

\intertext{now we use the result $\Omega_{[\mu \nu] \rho} = 2 \partial_{ \left[ \mu } e_{ \nu \right] }{}^a e_{a \rho}$ from eqn $(7.89)$}

\\ &=e^{\nu a} e^{\rho b} \left( \partial_{[\mu} e_{\nu]}{}^c e_{c \rho} - \partial_{[\nu} e_{\rho]}{}^c e_{c \mu} + \partial_{[\rho} e_{\mu]}{}^c e_{c \nu} \right)

\end{align*}

The problem is the last couple of lines where i split square brackets over two different subscripts. LaTeX doesn't like this and complains - a LOT!

So I guess my question boils down to how to write the LaTeX code for something like this:

q_{ [a } p_{ b] }

without getting lots of errors!

Thanks very much!

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# Quick (probably easy) Latex Question

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