Description: A prime number is an integer greater than 1. (Contributed by Alexander van der Vekens, 17-May-2018)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | prmgt1 | |- ( P e. Prime -> 1 < P ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prmuz2 | |- ( P e. Prime -> P e. ( ZZ>= ` 2 ) ) |
|
| 2 | eluz2gt1 | |- ( P e. ( ZZ>= ` 2 ) -> 1 < P ) |
|
| 3 | 1 2 | syl | |- ( P e. Prime -> 1 < P ) |