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lemma proved term proof

voxelStep_foldPlusOneProgram

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formal statement (Lean)

  45lemma voxelStep_foldPlusOneProgram (v : LNALVoxel) :
  46    voxelStep foldPlusOneProgram v = ({ v.1 with nuPhi := clampI32 (v.1.nuPhi + 1) }, v.2) := by

proof body

Term-mode proof.

  47  rcases v with ⟨r6, a5⟩
  48  simp [LNALSemantics.voxelStep, foldPlusOneProgram, lStep, -clampI32]
  49
  50/-- The corresponding discrete step on encoded Galerkin coefficients. -/

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