`BookProof.NsBrstDerivativeGauge.genU_uField` (m j : Fin 3) : genU m (uField j) = if m = j then 1 else 0

Initializing...

`BookProof.NsBrstDerivativeGauge.genU_uField` (m j : Fin 3) : genU m (uField j) = if m = j then 1 else 0 · Prove2Me