Equation Icon  1 1 ds2 = U − 2ημνdxμdx ν + U 2δmndymdyn, 1 F5 = ± --(δmn ∂mU 𝜀npqstudyp ∧ dyq ∧ dys ∧ dyt ∧ dyu 5! − 1 m μ ν ρ σ +5 ∂mU 𝜀 μνρσdy ∧ dx ∧ dx ∧ dx ∧ dx ), (24 )