Step |
Hyp |
Ref |
Expression |
1 |
|
tocycval.1 |
|
2 |
|
tocycfv.d |
|
3 |
|
tocycfv.w |
|
4 |
|
tocycfv.1 |
|
5 |
1 2 3 4
|
tocycfv |
|
6 |
5
|
reseq1d |
|
7 |
|
fnresi |
|
8 |
7
|
a1i |
|
9 |
|
1zzd |
|
10 |
|
cshwfn |
|
11 |
3 9 10
|
syl2anc |
|
12 |
|
f1f1orn |
|
13 |
|
f1ocnv |
|
14 |
|
f1ofn |
|
15 |
4 12 13 14
|
4syl |
|
16 |
|
dfdm4 |
|
17 |
|
wrddm |
|
18 |
3 17
|
syl |
|
19 |
|
ssidd |
|
20 |
18 19
|
eqsstrd |
|
21 |
16 20
|
eqsstrrid |
|
22 |
|
fnco |
|
23 |
11 15 21 22
|
syl3anc |
|
24 |
|
disjdifr |
|
25 |
24
|
a1i |
|
26 |
|
fnunres1 |
|
27 |
8 23 25 26
|
syl3anc |
|
28 |
6 27
|
eqtrd |
|