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Definition df-abl 18242
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 18240 . 2 class Abel
2 cgrp 17469 . . 3 class Grp
3 ccmn 18239 . . 3 class CMnd
42, 3cin 3606 . 2 class (Grp ∩ CMnd)
51, 4wceq 1523 1 wff Abel = (Grp ∩ CMnd)
Colors of variables: wff setvar class
This definition is referenced by:  isabl  18243  bj-ablssgrp  33268  bj-ablsscmn  33270
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