| Step |
Hyp |
Ref |
Expression |
| 1 |
|
rnghomval.1 |
|
| 2 |
|
rnghomval.2 |
|
| 3 |
|
rnghomval.3 |
|
| 4 |
|
rnghomval.4 |
|
| 5 |
|
rnghomval.5 |
|
| 6 |
|
rnghomval.6 |
|
| 7 |
|
rnghomval.7 |
|
| 8 |
|
rnghomval.8 |
|
| 9 |
1 2 3 4 5 6 7 8
|
rngohomval |
|
| 10 |
9
|
eleq2d |
|
| 11 |
5
|
fvexi |
|
| 12 |
11
|
rnex |
|
| 13 |
7 12
|
eqeltri |
|
| 14 |
1
|
fvexi |
|
| 15 |
14
|
rnex |
|
| 16 |
3 15
|
eqeltri |
|
| 17 |
13 16
|
elmap |
|
| 18 |
17
|
anbi1i |
|
| 19 |
|
fveq1 |
|
| 20 |
19
|
eqeq1d |
|
| 21 |
|
fveq1 |
|
| 22 |
|
fveq1 |
|
| 23 |
|
fveq1 |
|
| 24 |
22 23
|
oveq12d |
|
| 25 |
21 24
|
eqeq12d |
|
| 26 |
|
fveq1 |
|
| 27 |
22 23
|
oveq12d |
|
| 28 |
26 27
|
eqeq12d |
|
| 29 |
25 28
|
anbi12d |
|
| 30 |
29
|
2ralbidv |
|
| 31 |
20 30
|
anbi12d |
|
| 32 |
31
|
elrab |
|
| 33 |
|
3anass |
|
| 34 |
18 32 33
|
3bitr4i |
|
| 35 |
10 34
|
bitrdi |
|