Step |
Hyp |
Ref |
Expression |
1 |
|
f1ocnv |
|
2 |
1
|
adantr |
|
3 |
|
f1ocnvfv2 |
|
4 |
3
|
adantrr |
|
5 |
|
f1ocnvfv2 |
|
6 |
5
|
adantrl |
|
7 |
4 6
|
breq12d |
|
8 |
7
|
adantlr |
|
9 |
|
f1of |
|
10 |
1 9
|
syl |
|
11 |
|
ffvelrn |
|
12 |
|
ffvelrn |
|
13 |
11 12
|
anim12dan |
|
14 |
|
breq1 |
|
15 |
|
fveq2 |
|
16 |
15
|
breq1d |
|
17 |
14 16
|
bibi12d |
|
18 |
|
bicom |
|
19 |
17 18
|
bitrdi |
|
20 |
|
fveq2 |
|
21 |
20
|
breq2d |
|
22 |
|
breq2 |
|
23 |
21 22
|
bibi12d |
|
24 |
19 23
|
rspc2va |
|
25 |
13 24
|
sylan |
|
26 |
25
|
an32s |
|
27 |
10 26
|
sylanl1 |
|
28 |
8 27
|
bitr3d |
|
29 |
28
|
ralrimivva |
|
30 |
2 29
|
jca |
|
31 |
|
df-isom |
|
32 |
|
df-isom |
|
33 |
30 31 32
|
3imtr4i |
|