Definition df-plusg 17160

Description: Define group operation. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) Use its index-independent form plusgid 17174 instead. (New usage is discouraged.)

Assertion

Ref	Expression
df-plusg	⊢ +g = Slot 2

Detailed syntax breakdown of Definition df-plusg

Step	Hyp	Ref	Expression
1		cplusg 17147	. 2 class +g
2		c2 12217	. . 3 class 2
3	2	cslot 17064	. 2 class Slot 2
4	1, 3	wceq 1541	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  17173  plusgid  17174  grpstr  17179  grpbaseOLD  17182  grpplusgOLD  17184  oppraddOLD  20073  sraaddgOLD  20702  zlmplusgOLD  20959  znaddOLD  20983  opsrplusgOLD  21492  tngplusgOLD  24038  ttgplusgOLD  27887  resvplusgOLD  32198  hlhilsplusOLD  40479  mnringaddgdOLD  42620