Definition df-plusg 17214

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 17228 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 17201	. 2 class +g
2		c2 12271	. . 3 class 2
3	2	cslot 17118	. 2 class Slot 2
4	1, 3	wceq 1539	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  17227  plusgid  17228  grpstr  17233  grpbaseOLD  17236  grpplusgOLD  17238  oppraddOLD  20235  sraaddgOLD  20940  zlmplusgOLD  21290  znaddOLD  21314  opsrplusgOLD  21828  tngplusgOLD  24374  ttgplusgOLD  28400  resvplusgOLD  32720  hlhilsplusOLD  41117  mnringaddgdOLD  43279