Step |
Hyp |
Ref |
Expression |
1 |
|
xmsusp.x |
|
2 |
|
xmsusp.d |
|
3 |
|
xmsusp.u |
|
4 |
|
simp3 |
|
5 |
|
simp1 |
|
6 |
1 2
|
xmsxmet |
|
7 |
6
|
3ad2ant2 |
|
8 |
|
xmetpsmet |
|
9 |
|
metuust |
|
10 |
8 9
|
sylan2 |
|
11 |
5 7 10
|
syl2anc |
|
12 |
4 11
|
eqeltrd |
|
13 |
|
xmetutop |
|
14 |
5 7 13
|
syl2anc |
|
15 |
4
|
fveq2d |
|
16 |
|
eqid |
|
17 |
16 1 2
|
xmstopn |
|
18 |
17
|
3ad2ant2 |
|
19 |
14 15 18
|
3eqtr4rd |
|
20 |
1 3 16
|
isusp |
|
21 |
12 19 20
|
sylanbrc |
|