Step |
Hyp |
Ref |
Expression |
1 |
|
ssltex1 |
|
2 |
1
|
3ad2ant3 |
|
3 |
|
simp1 |
|
4 |
|
ssltss1 |
|
5 |
4
|
3ad2ant3 |
|
6 |
3
|
elpwid |
|
7 |
|
breq2 |
|
8 |
7
|
rexbidv |
|
9 |
|
simp12 |
|
10 |
|
simp3 |
|
11 |
8 9 10
|
rspcdva |
|
12 |
|
breq1 |
|
13 |
12
|
cbvrexvw |
|
14 |
11 13
|
sylib |
|
15 |
|
simpl13 |
|
16 |
15 4
|
syl |
|
17 |
|
simpl2 |
|
18 |
16 17
|
sseldd |
|
19 |
|
ssltss2 |
|
20 |
15 19
|
syl |
|
21 |
|
simprl |
|
22 |
20 21
|
sseldd |
|
23 |
|
simpl1 |
|
24 |
23 6
|
syl |
|
25 |
|
simpl3 |
|
26 |
24 25
|
sseldd |
|
27 |
15 17 21
|
ssltsepcd |
|
28 |
|
simprr |
|
29 |
18 22 26 27 28
|
sltletrd |
|
30 |
14 29
|
rexlimddv |
|
31 |
2 3 5 6 30
|
ssltd |
|