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| Mirrors > Home > MPE Home > Th. List > crngring | Structured version Visualization version Unicode version | ||
| Description: A commutative ring is a ring. (Contributed by Mario Carneiro, 7-Jan-2015.) |
| Ref | Expression |
|---|---|
| crngring |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2622 |
. . 3
| |
| 2 | 1 | iscrng 18554 |
. 2
|
| 3 | 2 | simplbi 476 |
1
|
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