Definition df-plusg 16984

Description: Define group operation. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) Use its index-independent form plusgid 16998 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 16971	. 2 class +g
2		c2 12037	. . 3 class 2
3	2	cslot 16891	. 2 class Slot 2
4	1, 3	wceq 1539	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  16997  plusgid  16998  grpstr  17003  grpbaseOLD  17006  grpplusgOLD  17008  oppraddOLD  19881  sraaddgOLD  20453  zlmplusgOLD  20732  znaddOLD  20756  opsrplusgOLD  21264  tngplusgOLD  23810  ttgplusgOLD  27252  resvplusgOLD  31544  hlhilsplusOLD  39964  mnringaddgdOLD  41843