Description: Define the p -adic integers, as a subset of the p -adic rationals. (Contributed by Mario Carneiro, 2-Dec-2014)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-zp | |- Zp = ( ZRing o. Qp ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | czp | |- Zp |
|
| 1 | czr | |- ZRing |
|
| 2 | cqp | |- Qp |
|
| 3 | 1 2 | ccom | |- ( ZRing o. Qp ) |
| 4 | 0 3 | wceq | |- Zp = ( ZRing o. Qp ) |