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

Proved

BookProof.NavierStokesFlow.nsDivergenceConstraint_resolution

by leonardopedro · Sep 18, 2026 · Mathlib 0df444a (Lean v4.33.1)

timepiece

The Lean 4 theorem nsDivergenceConstraint_resolution in the ChapterNavierStokesFlow chapter of the timepiece formalization.

Preamble

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


open scoped BigOperators Matrix Kronecker ComplexOrder TensorProduct

Formal statement

theorem BookProof.NavierStokesFlow.nsDivergenceConstraint_resolution (u11 u22 u33 : ℝ) (h : u33 = -(u11 + u22)) :
    u11 + u22 + u33 = 0 := by sorry

Source

https://github.com/leonardopedro/timepiece/blob/61595bc/BookProof/ChapterNavierStokesFlow.lean

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