Step |
Hyp |
Ref |
Expression |
1 |
|
an4 |
|
2 |
|
reeanv |
|
3 |
|
simpll1 |
|
4 |
|
simpll2 |
|
5 |
|
simpll3 |
|
6 |
|
simplrl |
|
7 |
|
simprll |
|
8 |
|
simplrr |
|
9 |
|
simprlr |
|
10 |
|
simprrl |
|
11 |
|
simprrr |
|
12 |
10 11
|
eqtr3d |
|
13 |
3 4 5 6 7 8 9 12
|
shuni |
|
14 |
13
|
simpld |
|
15 |
14
|
exp32 |
|
16 |
15
|
rexlimdvv |
|
17 |
2 16
|
syl5bir |
|
18 |
17
|
expimpd |
|
19 |
1 18
|
syl5bir |
|
20 |
19
|
alrimivv |
|
21 |
|
eleq1w |
|
22 |
|
oveq1 |
|
23 |
22
|
eqeq2d |
|
24 |
23
|
rexbidv |
|
25 |
|
oveq2 |
|
26 |
25
|
eqeq2d |
|
27 |
26
|
cbvrexvw |
|
28 |
24 27
|
syl6bb |
|
29 |
21 28
|
anbi12d |
|
30 |
29
|
mo4 |
|
31 |
20 30
|
sylibr |
|