Step |
Hyp |
Ref |
Expression |
1 |
|
ofccat.1 |
|
2 |
|
ofccat.2 |
|
3 |
|
ofccat.3 |
|
4 |
|
ofccat.4 |
|
5 |
|
ofccat.5 |
|
6 |
|
ofccat.6 |
|
7 |
|
wrdf |
|
8 |
|
ffn |
|
9 |
1 7 8
|
3syl |
|
10 |
|
wrdf |
|
11 |
|
ffn |
|
12 |
3 10 11
|
3syl |
|
13 |
5
|
oveq2d |
|
14 |
13
|
fneq2d |
|
15 |
12 14
|
mpbird |
|
16 |
|
ovexd |
|
17 |
|
inidm |
|
18 |
9 15 16 16 17
|
offn |
|
19 |
|
hashfn |
|
20 |
18 19
|
syl |
|
21 |
|
wrdfin |
|
22 |
|
hashcl |
|
23 |
1 21 22
|
3syl |
|
24 |
|
hashfzo0 |
|
25 |
23 24
|
syl |
|
26 |
20 25
|
eqtrd |
|
27 |
26
|
adantr |
|
28 |
27
|
oveq2d |
|
29 |
28
|
eleq2d |
|
30 |
9
|
ad2antrr |
|
31 |
15
|
ad2antrr |
|
32 |
|
ovexd |
|
33 |
29
|
biimpa |
|
34 |
|
fnfvof |
|
35 |
30 31 32 33 34
|
syl22anc |
|
36 |
26
|
ad2antrr |
|
37 |
36
|
oveq2d |
|
38 |
37
|
fveq2d |
|
39 |
|
wrdf |
|
40 |
|
ffn |
|
41 |
2 39 40
|
3syl |
|
42 |
41
|
ad2antrr |
|
43 |
|
wrdf |
|
44 |
|
ffn |
|
45 |
4 43 44
|
3syl |
|
46 |
6
|
oveq2d |
|
47 |
46
|
fneq2d |
|
48 |
45 47
|
mpbird |
|
49 |
48
|
ad2antrr |
|
50 |
|
ovexd |
|
51 |
|
simplr |
|
52 |
|
simpr |
|
53 |
28
|
adantr |
|
54 |
52 53
|
neleqtrd |
|
55 |
23
|
ad2antrr |
|
56 |
55
|
nn0zd |
|
57 |
|
wrdfin |
|
58 |
|
hashcl |
|
59 |
2 57 58
|
3syl |
|
60 |
59
|
ad2antrr |
|
61 |
60
|
nn0zd |
|
62 |
|
fzocatel |
|
63 |
51 54 56 61 62
|
syl22anc |
|
64 |
|
fnfvof |
|
65 |
42 49 50 63 64
|
syl22anc |
|
66 |
38 65
|
eqtrd |
|
67 |
29 35 66
|
ifbieq12d2 |
|
68 |
67
|
mpteq2dva |
|
69 |
|
ovex |
|
70 |
|
ovex |
|
71 |
|
ccatfval |
|
72 |
69 70 71
|
mp2an |
|
73 |
|
ovexd |
|
74 |
|
inidm |
|
75 |
41 48 73 73 74
|
offn |
|
76 |
|
hashfn |
|
77 |
75 76
|
syl |
|
78 |
|
hashfzo0 |
|
79 |
59 78
|
syl |
|
80 |
77 79
|
eqtrd |
|
81 |
26 80
|
oveq12d |
|
82 |
81
|
oveq2d |
|
83 |
82
|
mpteq1d |
|
84 |
72 83
|
eqtrid |
|
85 |
|
ovexd |
|
86 |
|
fvex |
|
87 |
|
fvex |
|
88 |
86 87
|
ifex |
|
89 |
88
|
a1i |
|
90 |
|
fvex |
|
91 |
|
fvex |
|
92 |
90 91
|
ifex |
|
93 |
92
|
a1i |
|
94 |
|
ccatfval |
|
95 |
1 2 94
|
syl2anc |
|
96 |
|
ccatfval |
|
97 |
3 4 96
|
syl2anc |
|
98 |
5 6
|
oveq12d |
|
99 |
98
|
oveq2d |
|
100 |
99
|
mpteq1d |
|
101 |
97 100
|
eqtr4d |
|
102 |
85 89 93 95 101
|
offval2 |
|
103 |
5
|
adantr |
|
104 |
103
|
oveq2d |
|
105 |
104
|
eleq2d |
|
106 |
103
|
oveq2d |
|
107 |
106
|
fveq2d |
|
108 |
105 107
|
ifbieq2d |
|
109 |
108
|
oveq2d |
|
110 |
109
|
mpteq2dva |
|
111 |
102 110
|
eqtr4d |
|
112 |
|
ovif12 |
|
113 |
112
|
mpteq2i |
|
114 |
111 113
|
eqtrdi |
|
115 |
68 84 114
|
3eqtr4rd |
|