Description: Univariate polynomials form a ring. (Contributed by Stefan O'Rear, 22-Mar-2015)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ply1ring.p | |
|
Assertion | ply1ring | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ply1ring.p | |
|
2 | eqid | |
|
3 | eqid | |
|
4 | 1 2 3 | ply1bas | |
5 | 1 2 3 | ply1subrg | |
6 | 4 5 | eqeltrrid | |
7 | 1 2 | ply1val | |
8 | 7 | subrgring | |
9 | 6 8 | syl | |