Description: Expressing the singleton of 0 as a half-open integer range. (Contributed by Stefan O'Rear, 15-Aug-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | fzo01 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1e0p1 | |
|
2 | 1 | oveq2i | |
3 | 0z | |
|
4 | fzosn | |
|
5 | 3 4 | ax-mp | |
6 | 2 5 | eqtri | |