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structure definition def or abbrev

NormalForm

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formal statement (Lean)

  47@[ext]
  48structure NormalForm where
  49  supportPairs : Finset ℕ
  50  coeff : ℕ → Primitive → ℝ
  51  zero_outside : ∀ {pair prim}, pair ∉ supportPairs → coeff pair prim = 0
  52  nontrivial : ∀ {pair}, pair ∈ supportPairs → ∃ prim, coeff pair prim ≠ 0
  53
  54namespace NormalForm
  55
  56/-- Canonical ordered list of supported pairs (ascending). -/

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