| Step |
Hyp |
Ref |
Expression |
| 0 |
|
ctos |
|
| 1 |
|
vf |
|
| 2 |
|
cpo |
|
| 3 |
|
cbs |
|
| 4 |
1
|
cv |
|
| 5 |
4 3
|
cfv |
|
| 6 |
|
vb |
|
| 7 |
|
cple |
|
| 8 |
4 7
|
cfv |
|
| 9 |
|
vr |
|
| 10 |
|
vx |
|
| 11 |
6
|
cv |
|
| 12 |
|
vy |
|
| 13 |
10
|
cv |
|
| 14 |
9
|
cv |
|
| 15 |
12
|
cv |
|
| 16 |
13 15 14
|
wbr |
|
| 17 |
15 13 14
|
wbr |
|
| 18 |
16 17
|
wo |
|
| 19 |
18 12 11
|
wral |
|
| 20 |
19 10 11
|
wral |
|
| 21 |
20 9 8
|
wsbc |
|
| 22 |
21 6 5
|
wsbc |
|
| 23 |
22 1 2
|
crab |
|
| 24 |
0 23
|
wceq |
|