Metamath Proof Explorer

Definition df-starv

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

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

Detailed syntax breakdown

Step Hyp Ref Expression
0 cstv 
 |-  *r
1 c4 
 |-  4
2 1 cslot 
 |-  Slot 4
3 0 2 wceq 
 |-  *r = Slot 4