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theorem proved term proof

liouville_eq_mobius_of_squarefree

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formal statement (Lean)

 409theorem liouville_eq_mobius_of_squarefree {n : ℕ} (hn : n ≠ 0) (hsq : Squarefree n) :
 410    liouville n = mobius n := by

proof body

Term-mode proof.

 411  rw [liouville_eq hn, mobius_apply_of_squarefree hsq, bigOmega_eq_omega_of_squarefree hn hsq]
 412
 413/-- μ(n)² = 1 iff n is squarefree. -/

depends on (9)

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