Step |
Hyp |
Ref |
Expression |
1 |
|
1cvrco.b |
|
2 |
|
1cvrco.u |
|
3 |
|
1cvrco.o |
|
4 |
|
1cvrco.c |
|
5 |
|
1cvrco.a |
|
6 |
|
hlop |
|
7 |
6
|
adantr |
|
8 |
|
simpr |
|
9 |
1 2
|
op1cl |
|
10 |
7 9
|
syl |
|
11 |
1 3 4
|
cvrcon3b |
|
12 |
7 8 10 11
|
syl3anc |
|
13 |
|
eqid |
|
14 |
13 2 3
|
opoc1 |
|
15 |
7 14
|
syl |
|
16 |
15
|
breq1d |
|
17 |
1 3
|
opoccl |
|
18 |
6 17
|
sylan |
|
19 |
18
|
biantrurd |
|
20 |
12 16 19
|
3bitrd |
|
21 |
1 13 4 5
|
isat |
|
22 |
21
|
adantr |
|
23 |
20 22
|
bitr4d |
|