1 6 Ω 7 0 {\displaystyle {}_{1}^{6}\!\Omega _{7}^{0}} 1 6 Δ 7 0 + 0 7 ∇ 8 1 − 0 7 δ 8 1 = 0 1 Q 0 0 − 0 0 § 0 0 {\displaystyle {}_{1}^{6}\!\Delta _{7}^{0}+{}_{0}^{7}\!\nabla _{8}^{1}-{}_{0}^{7}\!\delta _{8}^{1}={}_{0}^{1}\!\mathbb {Q} _{0}^{0}-{}_{0}^{0}\!\S _{0}^{0}} 0 0 ω 1 0 {\displaystyle {}_{0}^{0}\!\omega _{1}^{0}} 0 0 H 1 0 {\displaystyle {}_{0}^{0}\!\mathbb {H} _{1}^{0}}