Definition df-plusg 17215

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 17229 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 17202	. 2 class +g
2		c2 12272	. . 3 class 2
3	2	cslot 17119	. 2 class Slot 2
4	1, 3	wceq 1540	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  17228  plusgid  17229  grpstr  17234  grpbaseOLD  17237  grpplusgOLD  17239  oppraddOLD  20236  sraaddgOLD  20941  zlmplusgOLD  21291  znaddOLD  21315  opsrplusgOLD  21829  tngplusgOLD  24375  ttgplusgOLD  28397  resvplusgOLD  32717  hlhilsplusOLD  41118  mnringaddgdOLD  43280