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def definition def or abbrev

decompose_perturbation

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formal statement (Lean)

  20def decompose_perturbation (h : Fin 3 → Fin 3 → ℝ) : Prop :=

proof body

Definition body.

  21  ∃ (tp : TensorPerturbation) (scalar : ℝ) (vector : Fin 3 → ℝ),
  22    h = (fun i j => tp.h_TT 0 i j + (if i = j then scalar else 0) + (vector i + vector j))
  23
  24/-- Existence of a TT projection operator. -/

depends on (6)

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