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