Definition df-starv 13255

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 13242	. 2 class *r
2		c4 9255	. . 3 class 4
3	2	cslot 13161	. 2 class Slot 4
4	1, 3	wceq 1398	1 wff *r = Slot 4

This definition is referenced by:  starvndx  13302  starvid  13303  starvslid  13304