Description: Lemma 2 for cnlmod . (Contributed by AV, 20-Sep-2021)
Ref | Expression | ||
---|---|---|---|
Hypothesis | cnlmod.w | |
|
Assertion | cnlmodlem2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnlmod.w | |
|
2 | addex | |
|
3 | qdass | |
|
4 | 1 3 | eqtri | |
5 | 4 | lmodplusg | |
6 | 5 | eqcomd | |
7 | 2 6 | ax-mp | |