Step |
Hyp |
Ref |
Expression |
1 |
|
rexanuz3.1 |
|
2 |
|
rexanuz3.2 |
|
3 |
|
rexanuz3.3 |
|
4 |
|
rexanuz3.4 |
|
5 |
|
rexanuz3.5 |
|
6 |
|
rexanuz3.6 |
|
7 |
3 4
|
jca |
|
8 |
2
|
rexanuz2 |
|
9 |
7 8
|
sylibr |
|
10 |
2
|
eleq2i |
|
11 |
10
|
biimpi |
|
12 |
|
eluzelz |
|
13 |
|
uzid |
|
14 |
11 12 13
|
3syl |
|
15 |
14
|
adantr |
|
16 |
|
simpr |
|
17 |
5 6
|
anbi12d |
|
18 |
17
|
rspcva |
|
19 |
15 16 18
|
syl2anc |
|
20 |
19
|
adantll |
|
21 |
20
|
ex |
|
22 |
21
|
ex |
|
23 |
1 22
|
reximdai |
|
24 |
9 23
|
mpd |
|