Definition df-plusg 17210

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 17224 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 17197	. 2 class +g
2		c2 12267	. . 3 class 2
3	2	cslot 17114	. 2 class Slot 2
4	1, 3	wceq 1542	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  17223  plusgid  17224  grpstr  17229  grpbaseOLD  17232  grpplusgOLD  17234  oppraddOLD  20160  sraaddgOLD  20795  zlmplusgOLD  21071  znaddOLD  21095  opsrplusgOLD  21609  tngplusgOLD  24154  ttgplusgOLD  28133  resvplusgOLD  32450  hlhilsplusOLD  40814  mnringaddgdOLD  42977