Step |
Hyp |
Ref |
Expression |
0 |
|
cstrkgb |
|
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 |
11
|
cv |
|
13 |
9
|
cv |
|
14 |
8
|
cv |
|
15 |
13 13 14
|
co |
|
16 |
12 15
|
wcel |
|
17 |
13 12
|
wceq |
|
18 |
16 17
|
wi |
|
19 |
18 11 10
|
wral |
|
20 |
19 9 10
|
wral |
|
21 |
|
vz |
|
22 |
|
vu |
|
23 |
|
vv |
|
24 |
22
|
cv |
|
25 |
21
|
cv |
|
26 |
13 25 14
|
co |
|
27 |
24 26
|
wcel |
|
28 |
23
|
cv |
|
29 |
12 25 14
|
co |
|
30 |
28 29
|
wcel |
|
31 |
27 30
|
wa |
|
32 |
|
va |
|
33 |
32
|
cv |
|
34 |
24 12 14
|
co |
|
35 |
33 34
|
wcel |
|
36 |
28 13 14
|
co |
|
37 |
33 36
|
wcel |
|
38 |
35 37
|
wa |
|
39 |
38 32 10
|
wrex |
|
40 |
31 39
|
wi |
|
41 |
40 23 10
|
wral |
|
42 |
41 22 10
|
wral |
|
43 |
42 21 10
|
wral |
|
44 |
43 11 10
|
wral |
|
45 |
44 9 10
|
wral |
|
46 |
|
vs |
|
47 |
10
|
cpw |
|
48 |
|
vt |
|
49 |
46
|
cv |
|
50 |
48
|
cv |
|
51 |
33 12 14
|
co |
|
52 |
13 51
|
wcel |
|
53 |
52 11 50
|
wral |
|
54 |
53 9 49
|
wral |
|
55 |
54 32 10
|
wrex |
|
56 |
|
vb |
|
57 |
56
|
cv |
|
58 |
13 12 14
|
co |
|
59 |
57 58
|
wcel |
|
60 |
59 11 50
|
wral |
|
61 |
60 9 49
|
wral |
|
62 |
61 56 10
|
wrex |
|
63 |
55 62
|
wi |
|
64 |
63 48 47
|
wral |
|
65 |
64 46 47
|
wral |
|
66 |
20 45 65
|
w3a |
|
67 |
66 8 7
|
wsbc |
|
68 |
67 5 4
|
wsbc |
|
69 |
68 1
|
cab |
|
70 |
0 69
|
wceq |
|