Step |
Hyp |
Ref |
Expression |
0 |
|
cst |
|
1 |
|
vf |
|
2 |
|
cc0 |
|
3 |
|
cicc |
|
4 |
|
c1 |
|
5 |
2 4 3
|
co |
|
6 |
|
cmap |
|
7 |
|
cch |
|
8 |
5 7 6
|
co |
|
9 |
1
|
cv |
|
10 |
|
chba |
|
11 |
10 9
|
cfv |
|
12 |
11 4
|
wceq |
|
13 |
|
vx |
|
14 |
|
vy |
|
15 |
13
|
cv |
|
16 |
|
cort |
|
17 |
14
|
cv |
|
18 |
17 16
|
cfv |
|
19 |
15 18
|
wss |
|
20 |
|
chj |
|
21 |
15 17 20
|
co |
|
22 |
21 9
|
cfv |
|
23 |
15 9
|
cfv |
|
24 |
|
caddc |
|
25 |
17 9
|
cfv |
|
26 |
23 25 24
|
co |
|
27 |
22 26
|
wceq |
|
28 |
19 27
|
wi |
|
29 |
28 14 7
|
wral |
|
30 |
29 13 7
|
wral |
|
31 |
12 30
|
wa |
|
32 |
31 1 8
|
crab |
|
33 |
0 32
|
wceq |
|