`BookProof.YangMillsAbelianNoGap.realCoeff_prod` {S : Finset (Fin d)} {f : Fin d → MvPolynomial (Fin d) ℂ} (h : ∀ j ∈ S, RealCoeff (f j)) : RealCoeff (∏ j ∈ S, f j)

Initializing...

`BookProof.YangMillsAbelianNoGap.realCoeff_prod` {S : Finset (Fin d)} {f : Fin d → MvPolynomial (Fin d) ℂ} (h : ∀ j ∈ S, RealCoeff (f j)) : RealCoeff (∏ j ∈ S, f j) · Prove2Me