Theorem drnggrpd

Description: A division ring is a group. (Contributed by SN, 16-May-2024)

	Ref	Expression
Hypothesis	drngringd.1	|- ( ph -> R e. DivRing )
Assertion	drnggrpd	|- ( ph -> R e. Grp )

Proof

Step	Hyp	Ref	Expression
1		drngringd.1	|- ( ph -> R e. DivRing )
2	1	drngringd	|- ( ph -> R e. Ring )
3	2	ringgrpd	|- ( ph -> R e. Grp )