Definition df-vs 25693

Description: Define vector subtraction on a normed complex vector space. (Contributed by NM, 15-Feb-2008.) (New usage is discouraged.)

Assertion

Ref	Expression
df-vs	|- -v = ( /g o. +v )

Detailed syntax breakdown of Definition df-vs

Step	Hyp	Ref	Expression
1		cnsb 25683	. 2 class -v
2		cgs 25392	. . 3 class /g
3		cpv 25679	. . 3 class +v
4	2, 3	ccom 4992	. 2 class ( /g o. +v )
5	1, 4	wceq 1398	1 wff -v = ( /g o. +v )

This definition is referenced by:  vsfval  25729