Step |
Hyp |
Ref |
Expression |
1 |
|
pser.g |
|
2 |
|
radcnv.a |
|
3 |
|
radcnv.r |
|
4 |
|
ssrab2 |
|
5 |
|
ressxr |
|
6 |
4 5
|
sstri |
|
7 |
|
supxrcl |
|
8 |
6 7
|
mp1i |
|
9 |
3 8
|
eqeltrid |
|
10 |
1 2
|
radcnv0 |
|
11 |
|
supxrub |
|
12 |
6 10 11
|
sylancr |
|
13 |
12 3
|
breqtrrdi |
|
14 |
|
pnfge |
|
15 |
9 14
|
syl |
|
16 |
|
0xr |
|
17 |
|
pnfxr |
|
18 |
|
elicc1 |
|
19 |
16 17 18
|
mp2an |
|
20 |
9 13 15 19
|
syl3anbrc |
|