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 class + 𝑔
1 c2 class 2
2 1 cslot class Slot 2
3 0 2 wceq wff + 𝑔 = Slot 2