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Theorems · Theorem · number theory

Nat.ceilRoot_def

∀ {a n : ℕ}, n.ceilRoot a = if n = 0 ∨ a = 0 then 0 else (a.factorization ⌈/⌉ n).prod fun x1 x2 => x1 ^ x2

The RHS is a noncomputable version of Nat.ceilRoot with better order-theoretic properties.

Defined in
Mathlib.Data.Nat.Factorization.Root
Cited by
3 results in Mathlib
Foundations
Depth 88 from the axioms · uses propext, Classical.choice, Quot.sound

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