`BookProof.QgCouplingDGammaSum.dGammaOp_finsetSum_col_eq` (s : Finset ι) (cols : ι → ℕ → (ℕ →₀ ℂ)) : dGammaOp (fun k => ∑ i ∈ s, cols i k) = ∑ i ∈ s, dGammaOp (cols i)

Initializing...

`BookProof.QgCouplingDGammaSum.dGammaOp_finsetSum_col_eq` (s : Finset ι) (cols : ι → ℕ → (ℕ →₀ ℂ)) : dGammaOp (fun k => ∑ i ∈ s, cols i k) = ∑ i ∈ s, dGammaOp (cols i) · Prove2Me