Definition df-plusg 17310

Description: Define group operation. In the context of less restrictive structures, this operation is also called magma, semigroup or monoid operation. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) Use its index-independent form plusgid 17324 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 17297	. 2 class +g
2		c2 12321	. . 3 class 2
3	2	cslot 17218	. 2 class Slot 2
4	1, 3	wceq 1540	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  17323  plusgid  17324  grpstr  17328  grpbaseOLD  17331  grpplusgOLD  17333  oppraddOLD  20344  sraaddgOLD  21180  zlmplusgOLD  21532  znaddOLD  21558  opsrplusgOLD  22072  tngplusgOLD  24658  ttgplusgOLD  28890  resvplusgOLD  33362  hlhilsplusOLD  41945  mnringaddgdOLD  44237