Metamath Proof Explorer


Theorem aacn

Description: An algebraic number is a complex number. (Contributed by Mario Carneiro, 23-Jul-2014)

Ref Expression
Assertion aacn ⊢ A ∈ 𝔸 → A ∈ ℂ

Proof

Step Hyp Ref Expression
1 elaa ⊢ A ∈ 𝔸 ↔ A ∈ ℂ ∧ ∃ f ∈ Poly ⁡ ℤ ∖ 0 𝑝 f ⁡ A = 0
2 1 simplbi ⊢ A ∈ 𝔸 → A ∈ ℂ