Theorem: Int.nat_val_add_eq_min (ECTate/Algebra/ValuedRing.lean)

State before:
R : Type u
inst✝¹ : CommRing R
inst✝ : IsDomain R
p a b : ℕ
h : nat_valuation p a < nat_valuation p b
⊢ nat_valuation p (a + b) = nat_valuation p a
Tactic:
sorry
State after:
no goals