Equation Icon  1-[ −1 ( −1)] Q μ(x) = 2 ∂μV (x)V (x) + θ ∂μV (x)V (x) ∈ 𝔨, 1 [ ( )] (9.20 ) Pμ(x) = -- ∂μV (x)V (x)−1 − θ ∂μV (x)V (x)−1 ∈ 𝔭. 2