| Step |
Hyp |
Ref |
Expression |
| 1 |
|
elreal |
|
| 2 |
|
elreal |
|
| 3 |
|
elreal |
|
| 4 |
|
breq1 |
|
| 5 |
|
oveq2 |
|
| 6 |
5
|
breq1d |
|
| 7 |
4 6
|
bibi12d |
|
| 8 |
|
breq2 |
|
| 9 |
|
oveq2 |
|
| 10 |
9
|
breq2d |
|
| 11 |
8 10
|
bibi12d |
|
| 12 |
|
oveq1 |
|
| 13 |
|
oveq1 |
|
| 14 |
12 13
|
breq12d |
|
| 15 |
14
|
bibi2d |
|
| 16 |
|
ltasr |
|
| 17 |
16
|
adantr |
|
| 18 |
|
ltresr |
|
| 19 |
18
|
a1i |
|
| 20 |
|
addresr |
|
| 21 |
|
addresr |
|
| 22 |
20 21
|
breqan12d |
|
| 23 |
22
|
anandis |
|
| 24 |
|
ltresr |
|
| 25 |
23 24
|
bitrdi |
|
| 26 |
17 19 25
|
3bitr4d |
|
| 27 |
26
|
ancoms |
|
| 28 |
27
|
3impa |
|
| 29 |
1 2 3 7 11 15 28
|
3gencl |
|
| 30 |
29
|
biimpd |
|