The Lean 4 theorem `nsDivergenceConstraint_resolution_matrix` in the `ChapterNavierStokesFlow` chapter of the timepiece formalization

-- Generated from ChapterNavierStokesFlow.lean — theorem BookProof.NavierStokesFlow.nsDivergenceConstraint_resolution_matrix
import Mathlib
import Definitions.Def_ChapterNavierStokesFlow
import Definitions.Def_ChapterNavierStokesAffineFiberEsa
open BookProof.NavierStokesFlow

variable {E : Type*} [AddCommGroup E] [Module ℂ E] {ι : Type*} [Fintype ι]
variable {n : ℕ} (L : LagrangianNS n)
variable {n : ℕ} (d : NSTruncation n)


open scoped BigOperators Matrix Kronecker ComplexOrder TensorProduct

theorem BookProof.NavierStokesFlow.nsDivergenceConstraint_resolution_matrix (U11 U22 U33 : Matrix (Fin n) (Fin n) ℂ)
    (h : U33 = -(U11 + U22)) : U11 + U22 + U33 = 0 := by sorry