Description: The ordered power series structure is a totally ordered set. (Contributed by Mario Carneiro, 2-Jun-2015)
Ref | Expression | ||
---|---|---|---|
Hypothesis | psr1val.1 | |- S = ( PwSer1 ` R ) |
|
Assertion | psr1tos | |- ( R e. Toset -> S e. Toset ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | psr1val.1 | |- S = ( PwSer1 ` R ) |
|
2 | 1 | psr1val | |- S = ( ( 1o ordPwSer R ) ` (/) ) |
3 | 1on | |- 1o e. On |
|
4 | 3 | a1i | |- ( R e. Toset -> 1o e. On ) |
5 | id | |- ( R e. Toset -> R e. Toset ) |
|
6 | 0ss | |- (/) C_ ( 1o X. 1o ) |
|
7 | 6 | a1i | |- ( R e. Toset -> (/) C_ ( 1o X. 1o ) ) |
8 | 0we1 | |- (/) We 1o |
|
9 | 8 | a1i | |- ( R e. Toset -> (/) We 1o ) |
10 | 2 4 5 7 9 | opsrtos | |- ( R e. Toset -> S e. Toset ) |