Metamath Proof Explorer


Theorem drngringd

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

Ref Expression
Hypothesis drngringd.1 φRDivRing
Assertion drngringd φRRing

Proof

Step Hyp Ref Expression
1 drngringd.1 φRDivRing
2 drngring RDivRingRRing
3 1 2 syl φRRing