Step |
Hyp |
Ref |
Expression |
0 |
|
cpconn |
|
1 |
|
vj |
|
2 |
|
ctop |
|
3 |
|
vx |
|
4 |
1
|
cv |
|
5 |
4
|
cuni |
|
6 |
|
vy |
|
7 |
|
vf |
|
8 |
|
cii |
|
9 |
|
ccn |
|
10 |
8 4 9
|
co |
|
11 |
7
|
cv |
|
12 |
|
cc0 |
|
13 |
12 11
|
cfv |
|
14 |
3
|
cv |
|
15 |
13 14
|
wceq |
|
16 |
|
c1 |
|
17 |
16 11
|
cfv |
|
18 |
6
|
cv |
|
19 |
17 18
|
wceq |
|
20 |
15 19
|
wa |
|
21 |
20 7 10
|
wrex |
|
22 |
21 6 5
|
wral |
|
23 |
22 3 5
|
wral |
|
24 |
23 1 2
|
crab |
|
25 |
0 24
|
wceq |
|