Step |
Hyp |
Ref |
Expression |
1 |
|
onovuni.1 |
|
2 |
|
onovuni.2 |
|
3 |
|
dfiun3g |
|
4 |
3
|
3ad2ant2 |
|
5 |
4
|
oveq2d |
|
6 |
|
simp1 |
|
7 |
|
mptexg |
|
8 |
|
rnexg |
|
9 |
6 7 8
|
3syl |
|
10 |
|
simp2 |
|
11 |
|
eqid |
|
12 |
11
|
fmpt |
|
13 |
10 12
|
sylib |
|
14 |
13
|
frnd |
|
15 |
|
dmmptg |
|
16 |
15
|
3ad2ant2 |
|
17 |
|
simp3 |
|
18 |
16 17
|
eqnetrd |
|
19 |
|
dm0rn0 |
|
20 |
19
|
necon3bii |
|
21 |
18 20
|
sylib |
|
22 |
1 2
|
onovuni |
|
23 |
9 14 21 22
|
syl3anc |
|
24 |
|
oveq2 |
|
25 |
24
|
eleq2d |
|
26 |
11 25
|
rexrnmptw |
|
27 |
26
|
3ad2ant2 |
|
28 |
|
eliun |
|
29 |
|
eliun |
|
30 |
27 28 29
|
3bitr4g |
|
31 |
30
|
eqrdv |
|
32 |
5 23 31
|
3eqtrd |
|