| Step |
Hyp |
Ref |
Expression |
| 1 |
|
cvrcmp.b |
|
| 2 |
|
cvrcmp.l |
|
| 3 |
|
cvrcmp.c |
|
| 4 |
|
opposet |
|
| 5 |
4
|
3ad2ant1 |
|
| 6 |
|
simp1 |
|
| 7 |
|
simp22 |
|
| 8 |
|
eqid |
|
| 9 |
1 8
|
opoccl |
|
| 10 |
6 7 9
|
syl2anc |
|
| 11 |
|
simp21 |
|
| 12 |
1 8
|
opoccl |
|
| 13 |
6 11 12
|
syl2anc |
|
| 14 |
|
simp23 |
|
| 15 |
1 8
|
opoccl |
|
| 16 |
6 14 15
|
syl2anc |
|
| 17 |
1 8 3
|
cvrcon3b |
|
| 18 |
17
|
3adant3r2 |
|
| 19 |
1 8 3
|
cvrcon3b |
|
| 20 |
19
|
3adant3r1 |
|
| 21 |
18 20
|
anbi12d |
|
| 22 |
21
|
biimp3a |
|
| 23 |
22
|
ancomd |
|
| 24 |
1 2 3
|
cvrcmp |
|
| 25 |
5 10 13 16 23 24
|
syl131anc |
|
| 26 |
1 2 8
|
oplecon3b |
|
| 27 |
6 11 7 26
|
syl3anc |
|
| 28 |
1 8
|
opcon3b |
|
| 29 |
6 11 7 28
|
syl3anc |
|
| 30 |
25 27 29
|
3bitr4d |
|