Description: Integer ordering relation. (Contributed by NM, 13-Nov-2004)
Ref | Expression | ||
---|---|---|---|
Assertion | zltlem1 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | peano2zm | |
|
2 | zleltp1 | |
|
3 | 1 2 | sylan2 | |
4 | zcn | |
|
5 | ax-1cn | |
|
6 | npcan | |
|
7 | 4 5 6 | sylancl | |
8 | 7 | adantl | |
9 | 8 | breq2d | |
10 | 3 9 | bitr2d | |