Step |
Hyp |
Ref |
Expression |
0 |
|
cray |
|
1 |
|
vp |
|
2 |
|
va |
|
3 |
|
vr |
|
4 |
|
vn |
|
5 |
|
cn |
|
6 |
1
|
cv |
|
7 |
|
cee |
|
8 |
4
|
cv |
|
9 |
8 7
|
cfv |
|
10 |
6 9
|
wcel |
|
11 |
2
|
cv |
|
12 |
11 9
|
wcel |
|
13 |
6 11
|
wne |
|
14 |
10 12 13
|
w3a |
|
15 |
3
|
cv |
|
16 |
|
vx |
|
17 |
|
coutsideof |
|
18 |
16
|
cv |
|
19 |
11 18
|
cop |
|
20 |
6 19 17
|
wbr |
|
21 |
20 16 9
|
crab |
|
22 |
15 21
|
wceq |
|
23 |
14 22
|
wa |
|
24 |
23 4 5
|
wrex |
|
25 |
24 1 2 3
|
coprab |
|
26 |
0 25
|
wceq |
|