Theorem bj-ablssgrp 37316

Description: Abelian groups are groups. (Contributed by BJ, 9-Jun-2019.) (Proof modification is discouraged.)

Assertion

Ref	Expression
bj-ablssgrp	⊢ Abel ⊆ Grp

Proof of Theorem bj-ablssgrp

Step	Hyp	Ref	Expression
1		df-abl 19696	. 2 ⊢ Abel = (Grp ∩ CMnd)
2		inss1 4187	. 2 ⊢ (Grp ∩ CMnd) ⊆ Grp
3	1, 2	eqsstri 3981	1 ⊢ Abel ⊆ Grp

Syntax hints:   ∩ cin 3901   ⊆ wss 3902  Grpcgrp 18846  CMndccmn 19693  Abelcabl 19694

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-ext 2703

This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1544  df-ex 1781  df-sb 2068  df-clab 2710  df-cleq 2723  df-clel 2806  df-v 3438  df-in 3909  df-ss 3919  df-abl 19696

This theorem is referenced by:  bj-ablssgrpel  37317