Definition df-plusg 17282

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 17296 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 17269	. 2 class +g
2		c2 12293	. . 3 class 2
3	2	cslot 17198	. 2 class Slot 2
4	1, 3	wceq 1540	1 wff +g = Slot 2

This definition is referenced by:  plusgndx  17295  plusgid  17296