Description: A commutative ring is a ring. (Contributed by SN, 16-May-2024)
Ref | Expression | ||
---|---|---|---|
Hypothesis | crngringd.1 | |- ( ph -> R e. CRing ) |
|
Assertion | crngringd | |- ( ph -> R e. Ring ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | crngringd.1 | |- ( ph -> R e. CRing ) |
|
2 | crngring | |- ( R e. CRing -> R e. Ring ) |
|
3 | 1 2 | syl | |- ( ph -> R e. Ring ) |