| Step |
Hyp |
Ref |
Expression |
| 0 |
|
cstrkge |
|
| 1 |
|
vf |
|
| 2 |
|
cbs |
|
| 3 |
1
|
cv |
|
| 4 |
3 2
|
cfv |
|
| 5 |
|
vp |
|
| 6 |
|
citv |
|
| 7 |
3 6
|
cfv |
|
| 8 |
|
vi |
|
| 9 |
|
vx |
|
| 10 |
5
|
cv |
|
| 11 |
|
vy |
|
| 12 |
|
vz |
|
| 13 |
|
vu |
|
| 14 |
|
vv |
|
| 15 |
13
|
cv |
|
| 16 |
9
|
cv |
|
| 17 |
8
|
cv |
|
| 18 |
14
|
cv |
|
| 19 |
16 18 17
|
co |
|
| 20 |
15 19
|
wcel |
|
| 21 |
11
|
cv |
|
| 22 |
12
|
cv |
|
| 23 |
21 22 17
|
co |
|
| 24 |
15 23
|
wcel |
|
| 25 |
16 15
|
wne |
|
| 26 |
20 24 25
|
w3a |
|
| 27 |
|
va |
|
| 28 |
|
vb |
|
| 29 |
27
|
cv |
|
| 30 |
16 29 17
|
co |
|
| 31 |
21 30
|
wcel |
|
| 32 |
28
|
cv |
|
| 33 |
16 32 17
|
co |
|
| 34 |
22 33
|
wcel |
|
| 35 |
29 32 17
|
co |
|
| 36 |
18 35
|
wcel |
|
| 37 |
31 34 36
|
w3a |
|
| 38 |
37 28 10
|
wrex |
|
| 39 |
38 27 10
|
wrex |
|
| 40 |
26 39
|
wi |
|
| 41 |
40 14 10
|
wral |
|
| 42 |
41 13 10
|
wral |
|
| 43 |
42 12 10
|
wral |
|
| 44 |
43 11 10
|
wral |
|
| 45 |
44 9 10
|
wral |
|
| 46 |
45 8 7
|
wsbc |
|
| 47 |
46 5 4
|
wsbc |
|
| 48 |
47 1
|
cab |
|
| 49 |
0 48
|
wceq |
|