Description: Closed form of brrange . (Contributed by Scott Fenton, 3-May-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | brrangeg | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq1 | |
|
2 | rneq | |
|
3 | 2 | eqeq2d | |
4 | 1 3 | bibi12d | |
5 | breq2 | |
|
6 | eqeq1 | |
|
7 | 5 6 | bibi12d | |
8 | vex | |
|
9 | vex | |
|
10 | 8 9 | brrange | |
11 | 4 7 10 | vtocl2g | |