Definition df-starv 13446

Description: Define the involution function of a *-ring. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.)

Assertion

Ref	Expression
df-starv	|- *r = Slot 4

Detailed syntax breakdown of Definition df-starv

Step	Hyp	Ref	Expression
1		cstv 13433	. 2 class *r
2		c4 9357	. . 3 class 4
3	2	cslot 13351	. 2 class Slot 4
4	1, 3	wceq 1402	1 wff *r = Slot 4

This definition is used by:  starvndx  13493  starvid  13494  starvslid  13495