Description: A division ring is a group (deduction form). (Contributed by SN, 16-May-2024)
Ref | Expression | ||
---|---|---|---|
Hypothesis | drngringd.1 | |
|
Assertion | drnggrpd | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | drngringd.1 | |
|
2 | 1 | drngringd | |
3 | 2 | ringgrpd | |