Definition df-plusg 12470

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

Assertion

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

Detailed syntax breakdown of Definition df-plusg

Step	Hyp	Ref	Expression
1		cplusg 12457	. 2 class +g
2		c2 8908	. . 3 class 2
3	2	cslot 12393	. 2 class Slot 2
4	1, 3	wceq 1343	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  12488  plusgid  12489  plusgslid  12490  grpstrg  12502  grpbaseg  12503  grpplusgg  12504