Step |
Hyp |
Ref |
Expression |
1 |
|
infxrge0glb.a |
|
2 |
|
infxrge0glb.b |
|
3 |
1 2
|
infxrge0glb |
|
4 |
3
|
notbid |
|
5 |
|
iccssxr |
|
6 |
5 2
|
sseldi |
|
7 |
|
xrltso |
|
8 |
|
soss |
|
9 |
5 7 8
|
mp2 |
|
10 |
9
|
a1i |
|
11 |
|
xrge0infss |
|
12 |
1 11
|
syl |
|
13 |
10 12
|
infcl |
|
14 |
5 13
|
sseldi |
|
15 |
6 14
|
xrlenltd |
|
16 |
6
|
adantr |
|
17 |
1 5
|
sstrdi |
|
18 |
17
|
sselda |
|
19 |
16 18
|
xrlenltd |
|
20 |
19
|
ralbidva |
|
21 |
|
ralnex |
|
22 |
20 21
|
syl6bb |
|
23 |
4 15 22
|
3bitr4d |
|