| Step |
Hyp |
Ref |
Expression |
| 1 |
|
kqval.2 |
|
| 2 |
1
|
kqopn |
|
| 3 |
2
|
adantlr |
|
| 4 |
|
eleq2 |
|
| 5 |
|
eleq2 |
|
| 6 |
4 5
|
bibi12d |
|
| 7 |
6
|
rspcv |
|
| 8 |
3 7
|
syl |
|
| 9 |
1
|
kqfvima |
|
| 10 |
9
|
3expa |
|
| 11 |
10
|
adantrr |
|
| 12 |
1
|
kqfvima |
|
| 13 |
12
|
3expa |
|
| 14 |
13
|
adantrl |
|
| 15 |
11 14
|
bibi12d |
|
| 16 |
15
|
an32s |
|
| 17 |
8 16
|
sylibrd |
|
| 18 |
17
|
ralrimdva |
|
| 19 |
1
|
kqfeq |
|
| 20 |
19
|
3expb |
|
| 21 |
|
elequ2 |
|
| 22 |
|
elequ2 |
|
| 23 |
21 22
|
bibi12d |
|
| 24 |
23
|
cbvralvw |
|
| 25 |
20 24
|
bitrdi |
|
| 26 |
18 25
|
sylibrd |
|
| 27 |
26
|
ralrimivva |
|
| 28 |
1
|
kqffn |
|
| 29 |
|
eleq1 |
|
| 30 |
29
|
bibi1d |
|
| 31 |
30
|
ralbidv |
|
| 32 |
|
eqeq1 |
|
| 33 |
31 32
|
imbi12d |
|
| 34 |
33
|
ralbidv |
|
| 35 |
34
|
ralrn |
|
| 36 |
|
eleq1 |
|
| 37 |
36
|
bibi2d |
|
| 38 |
37
|
ralbidv |
|
| 39 |
|
eqeq2 |
|
| 40 |
38 39
|
imbi12d |
|
| 41 |
40
|
ralrn |
|
| 42 |
41
|
ralbidv |
|
| 43 |
35 42
|
bitrd |
|
| 44 |
28 43
|
syl |
|
| 45 |
27 44
|
mpbird |
|
| 46 |
1
|
kqtopon |
|
| 47 |
|
ist0-2 |
|
| 48 |
46 47
|
syl |
|
| 49 |
45 48
|
mpbird |
|