Description: Obsolete version of peano1 as of 29-Nov-2024. (Contributed by NM, 15-May-1994) (Proof modification is discouraged.) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | peano1OLD | |- (/) e. _om |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | limom | |- Lim _om |
|
| 2 | 0ellim | |- ( Lim _om -> (/) e. _om ) |
|
| 3 | 1 2 | ax-mp | |- (/) e. _om |