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Metamath Proof Explorer

Definition df-va

Description: Define vector addition on a normed complex vector space. (Contributed by NM, 23-Apr-2007) (New usage is discouraged.)

		Ref	Expression
	Assertion	df-va	$⊢ +_{v} = 1^{st} \circ 1^{st}$

Step	Hyp	Ref	Expression
0		cpv	$class +_{v}$
1		c1st	$class 1^{st}$
2	1 1	ccom	$class (1^{st} \circ 1^{st})$
3	0 2	wceq	$wff +_{v} = 1^{st} \circ 1^{st}$