Definition df-plusg

Description: Define group operation. (Contributed by NM, 4-Sep-2011) (Revised by Mario Carneiro, 14-Aug-2015) Use its index-independent form plusgid instead. (New usage is discouraged.)

	Ref	Expression
Assertion	df-plusg	$$⊢{+}_{𝑔}=\mathrm{Slot}2$$

Detailed syntax breakdown

Step	Hyp	Ref	Expression
0		cplusg	$$class{+}_{𝑔}$$
1		c2	$$class2$$
2	1	cslot	$$class\mathrm{Slot}2$$
3	0 2	wceq	$$wff{+}_{𝑔}=\mathrm{Slot}2$$