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abbrev definition def or abbrev

MultIndex

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formal statement (Lean)

  60abbrev MultIndex : Type := Nat.Primes →₀ ℤ

proof body

Definition body.

  61
  62/-- The positive rational corresponding to a multiplicative index,
  63    interpreted as a real number: `toRat v = ∏ p^(v p)`. -/

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