Description: Translate membership in a half-open integer range. (Contributed by Thierry Arnoux, 28-Sep-2018)
Ref | Expression | ||
---|---|---|---|
Assertion | fzocatel | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simplr | |
|
2 | fzospliti | |
|
3 | 2 | ad2ant2r | |
4 | 3 | ord | |
5 | 1 4 | mpd | |
6 | simprl | |
|
7 | fzosubel | |
|
8 | 5 6 7 | syl2anc | |
9 | zcn | |
|
10 | 9 | subidd | |
11 | 6 10 | syl | |
12 | 6 | zcnd | |
13 | simprr | |
|
14 | 13 | zcnd | |
15 | 12 14 | pncan2d | |
16 | 11 15 | oveq12d | |
17 | 8 16 | eleqtrd | |