Step |
Hyp |
Ref |
Expression |
1 |
|
uniexg |
|
2 |
1
|
pwexd |
|
3 |
|
pwuni |
|
4 |
|
fiss |
|
5 |
2 3 4
|
sylancl |
|
6 |
|
ssinss1 |
|
7 |
|
vex |
|
8 |
7
|
elpw |
|
9 |
7
|
inex1 |
|
10 |
9
|
elpw |
|
11 |
6 8 10
|
3imtr4i |
|
12 |
11
|
adantr |
|
13 |
12
|
rgen2 |
|
14 |
|
inficl |
|
15 |
2 14
|
syl |
|
16 |
13 15
|
mpbii |
|
17 |
5 16
|
sseqtrd |
|
18 |
|
fvprc |
|
19 |
|
0ss |
|
20 |
18 19
|
eqsstrdi |
|
21 |
17 20
|
pm2.61i |
|