exact ⟨le_size, ulp_eq⟩
n a b : ℕ
hba : b ≤ a
no_uflow : 2 ^ n ≤ a + b
carry : 2 ^ Nat.size a ≤ a + b
size_eq : Nat.size (a + b) = Nat.size a + 1
le_size : n ≤ Nat.size a
ulp_eq : ulp n (a + b) = 2 * ulp n a
⊢ n ≤ Nat.size a ∧ ulp n (a + b) = 2 * ulp n a
no goals