Metamath Proof Explorer


Theorem exp1d

Description: Value of a complex number raised to the first power. (Contributed by Mario Carneiro, 28-May-2016)

Ref Expression
Hypothesis expcld.1 ( 𝜑𝐴 ∈ ℂ )
Assertion exp1d ( 𝜑 → ( 𝐴 ↑ 1 ) = 𝐴 )

Proof

Step Hyp Ref Expression
1 expcld.1 ( 𝜑𝐴 ∈ ℂ )
2 exp1 ( 𝐴 ∈ ℂ → ( 𝐴 ↑ 1 ) = 𝐴 )
3 1 2 syl ( 𝜑 → ( 𝐴 ↑ 1 ) = 𝐴 )