7

G^{μ ν} \equiv R^{μ ν} - \frac{1}{2} g^{μ ν} R = - κ T^{μ ν}

${G^{\mu \nu} \equiv R^{\mu \nu} – \frac{1}{2} g^{\mu \nu}R = –\kappa T^{\mu \nu}}$

Error