Metamath Proof Explorer


Theorem idomringd

Description: An integral domain is a ring. (Contributed by Thierry Arnoux, 22-Mar-2025)

Ref Expression
Hypothesis idomringd.1 φ R IDomn
Assertion idomringd φ R Ring

Proof

Step Hyp Ref Expression
1 idomringd.1 φ R IDomn
2 1 idomcringd φ R CRing
3 2 crngringd φ R Ring