Metamath Proof Explorer


Definition df-plusg

Description: Define group operation. (Contributed by NM, 4-Sep-2011) (Revised by Mario Carneiro, 14-Aug-2015)

Ref Expression
Assertion df-plusg
|- +g = Slot 2

Detailed syntax breakdown

Step Hyp Ref Expression
0 cplusg
 |-  +g
1 c2
 |-  2
2 1 cslot
 |-  Slot 2
3 0 2 wceq
 |-  +g = Slot 2