MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  df-va Structured version   Visualization version   GIF version

Definition df-va 27578
Description: Define vector addition on a normed complex vector space. (Contributed by NM, 23-Apr-2007.) (New usage is discouraged.)
Assertion
Ref Expression
df-va +𝑣 = (1st ∘ 1st )

Detailed syntax breakdown of Definition df-va
StepHypRef Expression
1 cpv 27568 . 2 class +𝑣
2 c1st 7208 . . 3 class 1st
32, 2ccom 5147 . 2 class (1st ∘ 1st )
41, 3wceq 1523 1 wff +𝑣 = (1st ∘ 1st )
Colors of variables: wff setvar class
This definition is referenced by:  vafval  27586  0vfval  27589  vsfval  27616
  Copyright terms: Public domain W3C validator