Step |
Hyp |
Ref |
Expression |
0 |
|
cR |
|
1 |
|
cA |
|
2 |
|
cF |
|
3 |
1 0 2
|
cfrecs |
|
4 |
|
vf |
|
5 |
|
vx |
|
6 |
4
|
cv |
|
7 |
5
|
cv |
|
8 |
6 7
|
wfn |
|
9 |
7 1
|
wss |
|
10 |
|
vy |
|
11 |
10
|
cv |
|
12 |
1 0 11
|
cpred |
|
13 |
12 7
|
wss |
|
14 |
13 10 7
|
wral |
|
15 |
9 14
|
wa |
|
16 |
11 6
|
cfv |
|
17 |
6 12
|
cres |
|
18 |
11 17 2
|
co |
|
19 |
16 18
|
wceq |
|
20 |
19 10 7
|
wral |
|
21 |
8 15 20
|
w3a |
|
22 |
21 5
|
wex |
|
23 |
22 4
|
cab |
|
24 |
23
|
cuni |
|
25 |
3 24
|
wceq |
|