df-va - Metamath Proof Explorer

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Definition df-va 28858

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 = (1^st ∘ 1^st )

**Detailed syntax breakdown of Definition df-va**
Step	Hyp	Ref	Expression
1		cpv 28848	. 2 class +_𝑣
2		c1st 7802	. . 3 class 1^st
3	2, 2	ccom 5584	. 2 class (1^st ∘ 1^st )
4	1, 3	wceq 1539	1 wff +_𝑣 = (1^st ∘ 1^st )

Colors of variables: wff setvar class

This definition is referenced by: vafval 28866 0vfval 28869 vsfval 28896