| Step |
Hyp |
Ref |
Expression |
| 1 |
|
n0 |
|
| 2 |
|
ssltex1 |
|
| 3 |
2
|
3ad2ant2 |
|
| 4 |
|
ssltex2 |
|
| 5 |
4
|
3ad2ant3 |
|
| 6 |
|
ssltss1 |
|
| 7 |
6
|
3ad2ant2 |
|
| 8 |
|
ssltss2 |
|
| 9 |
8
|
3ad2ant3 |
|
| 10 |
7
|
3ad2ant1 |
|
| 11 |
|
simp2 |
|
| 12 |
10 11
|
sseldd |
|
| 13 |
|
ssltss2 |
|
| 14 |
13
|
3ad2ant2 |
|
| 15 |
14
|
3ad2ant1 |
|
| 16 |
|
simp11 |
|
| 17 |
15 16
|
sseldd |
|
| 18 |
9
|
3ad2ant1 |
|
| 19 |
|
simp3 |
|
| 20 |
18 19
|
sseldd |
|
| 21 |
|
simp12 |
|
| 22 |
21 11 16
|
ssltsepcd |
|
| 23 |
|
simp13 |
|
| 24 |
23 16 19
|
ssltsepcd |
|
| 25 |
12 17 20 22 24
|
slttrd |
|
| 26 |
3 5 7 9 25
|
ssltd |
|
| 27 |
26
|
3exp |
|
| 28 |
27
|
exlimiv |
|
| 29 |
1 28
|
sylbi |
|
| 30 |
29
|
3imp231 |
|