| Step |
Hyp |
Ref |
Expression |
| 1 |
|
isof1o |
|
| 2 |
|
f1of |
|
| 3 |
|
ffvelcdm |
|
| 4 |
3
|
ex |
|
| 5 |
|
ffvelcdm |
|
| 6 |
5
|
ex |
|
| 7 |
|
ffvelcdm |
|
| 8 |
7
|
ex |
|
| 9 |
4 6 8
|
3anim123d |
|
| 10 |
1 2 9
|
3syl |
|
| 11 |
10
|
imp |
|
| 12 |
|
breq12 |
|
| 13 |
12
|
anidms |
|
| 14 |
13
|
notbid |
|
| 15 |
|
breq1 |
|
| 16 |
15
|
anbi1d |
|
| 17 |
|
breq1 |
|
| 18 |
16 17
|
imbi12d |
|
| 19 |
14 18
|
anbi12d |
|
| 20 |
|
breq2 |
|
| 21 |
|
breq1 |
|
| 22 |
20 21
|
anbi12d |
|
| 23 |
22
|
imbi1d |
|
| 24 |
23
|
anbi2d |
|
| 25 |
|
breq2 |
|
| 26 |
25
|
anbi2d |
|
| 27 |
|
breq2 |
|
| 28 |
26 27
|
imbi12d |
|
| 29 |
28
|
anbi2d |
|
| 30 |
19 24 29
|
rspc3v |
|
| 31 |
11 30
|
syl |
|
| 32 |
|
simpl |
|
| 33 |
|
simpr1 |
|
| 34 |
|
isorel |
|
| 35 |
32 33 33 34
|
syl12anc |
|
| 36 |
35
|
notbid |
|
| 37 |
|
simpr2 |
|
| 38 |
|
isorel |
|
| 39 |
32 33 37 38
|
syl12anc |
|
| 40 |
|
simpr3 |
|
| 41 |
|
isorel |
|
| 42 |
32 37 40 41
|
syl12anc |
|
| 43 |
39 42
|
anbi12d |
|
| 44 |
|
isorel |
|
| 45 |
32 33 40 44
|
syl12anc |
|
| 46 |
43 45
|
imbi12d |
|
| 47 |
36 46
|
anbi12d |
|
| 48 |
31 47
|
sylibrd |
|
| 49 |
48
|
ex |
|
| 50 |
49
|
com23 |
|
| 51 |
50
|
imp31 |
|
| 52 |
51
|
ralrimivvva |
|
| 53 |
52
|
ex |
|
| 54 |
|
df-po |
|
| 55 |
|
df-po |
|
| 56 |
53 54 55
|
3imtr4g |
|