Metamath Proof Explorer


Theorem cnncvs

Description: The module of complex numbers (as a module over itself) is a normed subcomplex vector space. The vector operation is + , the scalar product is x. , and the norm is abs (see cnnm ) . (Contributed by Steve Rodriguez, 3-Dec-2006) (Revised by AV, 9-Oct-2021)

Ref Expression
Hypothesis cnrnvc.c 𝐶 = ( ringLMod ‘ ℂfld )
Assertion cnncvs 𝐶 ∈ ( NrmVec ∩ ℂVec )

Proof

Step Hyp Ref Expression
1 cnrnvc.c 𝐶 = ( ringLMod ‘ ℂfld )
2 1 cnrnvc 𝐶 ∈ NrmVec
3 1 cncvs 𝐶 ∈ ℂVec
4 2 3 elini 𝐶 ∈ ( NrmVec ∩ ℂVec )