Description: The primorial of 0. (Contributed by AV, 28-Aug-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | prmo0 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0nn0 | |
|
2 | prmoval | |
|
3 | 1 2 | ax-mp | |
4 | fz10 | |
|
5 | 4 | prodeq1i | |
6 | prod0 | |
|
7 | 3 5 6 | 3eqtri | |