Step |
Hyp |
Ref |
Expression |
1 |
|
qsalrel.1 |
|
2 |
|
qsalrel.2 |
|
3 |
|
qsalrel.3 |
|
4 |
|
dfqs2 |
|
5 |
2
|
adantr |
|
6 |
1
|
ralrimivva |
|
7 |
6
|
adantr |
|
8 |
|
simpr |
|
9 |
|
breq1 |
|
10 |
9
|
ralbidv |
|
11 |
10
|
adantl |
|
12 |
8 11
|
rspcdv |
|
13 |
|
breq2 |
|
14 |
13
|
adantl |
|
15 |
3 14
|
rspcdv |
|
16 |
15
|
adantr |
|
17 |
12 16
|
syld |
|
18 |
7 17
|
mpd |
|
19 |
5 18
|
erthi |
|
20 |
19
|
mpteq2dva |
|
21 |
20
|
rneqd |
|
22 |
|
eqid |
|
23 |
3
|
ne0d |
|
24 |
22 23
|
rnmptc |
|
25 |
2
|
ecss |
|
26 |
5 18
|
ersym |
|
27 |
3
|
adantr |
|
28 |
|
elecg |
|
29 |
8 27 28
|
syl2anc |
|
30 |
26 29
|
mpbird |
|
31 |
25 30
|
eqelssd |
|
32 |
31
|
sneqd |
|
33 |
21 24 32
|
3eqtrd |
|
34 |
4 33
|
syl5eq |
|