Step |
Hyp |
Ref |
Expression |
1 |
|
fargshift.g |
|
2 |
|
f1f |
|
3 |
1
|
fargshiftf |
|
4 |
2 3
|
sylan2 |
|
5 |
|
ffn |
|
6 |
|
fseq1hash |
|
7 |
5 6
|
sylan2 |
|
8 |
2 7
|
sylan2 |
|
9 |
|
eleq1 |
|
10 |
|
oveq2 |
|
11 |
|
f1eq2 |
|
12 |
10 11
|
syl |
|
13 |
9 12
|
anbi12d |
|
14 |
|
dff13 |
|
15 |
|
fz0add1fz1 |
|
16 |
|
fz0add1fz1 |
|
17 |
15 16
|
anim12dan |
|
18 |
|
fveq2 |
|
19 |
18
|
eqeq1d |
|
20 |
|
eqeq1 |
|
21 |
19 20
|
imbi12d |
|
22 |
|
fveq2 |
|
23 |
22
|
eqeq2d |
|
24 |
|
eqeq2 |
|
25 |
23 24
|
imbi12d |
|
26 |
21 25
|
rspc2v |
|
27 |
26
|
adantl |
|
28 |
1
|
fargshiftfv |
|
29 |
28
|
expcom |
|
30 |
29
|
com13 |
|
31 |
30
|
adantr |
|
32 |
31
|
impcom |
|
33 |
32
|
impcom |
|
34 |
1
|
fargshiftfv |
|
35 |
34
|
expcom |
|
36 |
35
|
com13 |
|
37 |
36
|
adantl |
|
38 |
37
|
impcom |
|
39 |
38
|
impcom |
|
40 |
33 39
|
eqeq12d |
|
41 |
40
|
adantr |
|
42 |
41
|
adantr |
|
43 |
|
elfzoelz |
|
44 |
43
|
zcnd |
|
45 |
44
|
adantr |
|
46 |
45
|
adantl |
|
47 |
|
elfzoelz |
|
48 |
47
|
zcnd |
|
49 |
48
|
adantl |
|
50 |
49
|
adantl |
|
51 |
|
1cnd |
|
52 |
46 50 51
|
3jca |
|
53 |
52
|
adantl |
|
54 |
53
|
adantr |
|
55 |
|
addcan2 |
|
56 |
54 55
|
syl |
|
57 |
56
|
imbi2d |
|
58 |
57
|
biimpa |
|
59 |
42 58
|
sylbid |
|
60 |
59
|
ex |
|
61 |
27 60
|
syld |
|
62 |
61
|
exp31 |
|
63 |
62
|
com24 |
|
64 |
63
|
imp |
|
65 |
64
|
com13 |
|
66 |
17 65
|
mpd |
|
67 |
66
|
expcom |
|
68 |
67
|
com13 |
|
69 |
68
|
ralrimdvv |
|
70 |
14 69
|
sylbi |
|
71 |
70
|
impcom |
|
72 |
13 71
|
syl6bir |
|
73 |
8 72
|
mpcom |
|
74 |
|
dff13 |
|
75 |
4 73 74
|
sylanbrc |
|