Metamath Proof Explorer


Definition df-nmcv

Description: Define the norm function in a normed complex vector space. (Contributed by NM, 25-Apr-2007) (New usage is discouraged.)

Ref Expression
Assertion df-nmcv norm CV = 2 nd

Detailed syntax breakdown

Step Hyp Ref Expression
0 cnmcv class norm CV
1 c2nd class 2 nd
2 0 1 wceq wff norm CV = 2 nd