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Definition df-abl 17965
Description: Define class of all Abelian groups. (Contributed by NM, 17-Oct-2011.) (Revised by Mario Carneiro, 6-Jan-2015.)
Assertion
Ref Expression
df-abl Abel = (Grp ∩ CMnd)

Detailed syntax breakdown of Definition df-abl
StepHypRef Expression
1 cabl 17963 . 2 class Abel
2 cgrp 17191 . . 3 class Grp
3 ccmn 17962 . . 3 class CMnd
42, 3cin 3538 . 2 class (Grp ∩ CMnd)
51, 4wceq 1474 1 wff Abel = (Grp ∩ CMnd)
Colors of variables: wff setvar class
This definition is referenced by:  isabl  17966  bj-ablssgrp  32111  bj-ablsscmn  32113
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