Database
BASIC REAL AND COMPLEX FUNCTIONS
Polynomials
Algebraic numbers
aacn
Next ⟩
aasscn
Metamath Proof Explorer
Ascii
Unicode
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