Description: Define the algebra of univariate power series. (Contributed by Mario Carneiro, 29-Dec-2014)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-psr1 | |- PwSer1 = ( r e. _V |-> ( ( 1o ordPwSer r ) ` (/) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | cps1 | |- PwSer1 |
|
| 1 | vr | |- r |
|
| 2 | cvv | |- _V |
|
| 3 | c1o | |- 1o |
|
| 4 | copws | |- ordPwSer |
|
| 5 | 1 | cv | |- r |
| 6 | 3 5 4 | co | |- ( 1o ordPwSer r ) |
| 7 | c0 | |- (/) |
|
| 8 | 7 6 | cfv | |- ( ( 1o ordPwSer r ) ` (/) ) |
| 9 | 1 2 8 | cmpt | |- ( r e. _V |-> ( ( 1o ordPwSer r ) ` (/) ) ) |
| 10 | 0 9 | wceq | |- PwSer1 = ( r e. _V |-> ( ( 1o ordPwSer r ) ` (/) ) ) |