Step |
Hyp |
Ref |
Expression |
0 |
|
clsh |
|
1 |
|
vw |
|
2 |
|
cvv |
|
3 |
|
vs |
|
4 |
|
clss |
|
5 |
1
|
cv |
|
6 |
5 4
|
cfv |
|
7 |
3
|
cv |
|
8 |
|
cbs |
|
9 |
5 8
|
cfv |
|
10 |
7 9
|
wne |
|
11 |
|
vv |
|
12 |
|
clspn |
|
13 |
5 12
|
cfv |
|
14 |
11
|
cv |
|
15 |
14
|
csn |
|
16 |
7 15
|
cun |
|
17 |
16 13
|
cfv |
|
18 |
17 9
|
wceq |
|
19 |
18 11 9
|
wrex |
|
20 |
10 19
|
wa |
|
21 |
20 3 6
|
crab |
|
22 |
1 2 21
|
cmpt |
|
23 |
0 22
|
wceq |
|