Definition df-plusg 17138

Description: Define group operation. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) Use its index-independent form plusgid 17152 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 17125	. 2 class +g
2		c2 12204	. . 3 class 2
3	2	cslot 17045	. 2 class Slot 2
4	1, 3	wceq 1541	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  17151  plusgid  17152  grpstr  17157  grpbaseOLD  17160  grpplusgOLD  17162  oppraddOLD  20044  sraaddgOLD  20628  zlmplusgOLD  20907  znaddOLD  20931  opsrplusgOLD  21439  tngplusgOLD  23985  ttgplusgOLD  27710  resvplusgOLD  32010  hlhilsplusOLD  40373  mnringaddgdOLD  42440