Description: The norm function in the ring module. (Contributed by AV, 9-Oct-2021)
Ref | Expression | ||
---|---|---|---|
Assertion | rlmnm | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rlmbas | |
|
2 | id | |
|
3 | rlmplusg | |
|
4 | 3 | a1i | |
5 | rlmds | |
|
6 | 5 | a1i | |
7 | 2 4 6 | nmpropd | |
8 | 1 7 | ax-mp | |