Metamath Proof Explorer


Theorem rpcn

Description: A positive real is a complex number. (Contributed by NM, 11-Nov-2008)

Ref Expression
Assertion rpcn ( 𝐴 ∈ ℝ+𝐴 ∈ ℂ )

Proof

Step Hyp Ref Expression
1 rpre ( 𝐴 ∈ ℝ+𝐴 ∈ ℝ )
2 1 recnd ( 𝐴 ∈ ℝ+𝐴 ∈ ℂ )