Theorem: nat_val_zero (ECTate/Algebra/ValuedRing.lean)

State before:
R : Type u
inst✝¹ : CommRing R
inst✝ : IsDomain R
p : ℕ
⊢ nat_valuation p 0 = ⊤
Tactic:
simp [nat_valuation]
State after:
no goals