Step |
Hyp |
Ref |
Expression |
1 |
|
mapfien.s |
|
2 |
|
mapfien.t |
|
3 |
|
mapfien.w |
|
4 |
|
mapfien.f |
|
5 |
|
mapfien.g |
|
6 |
|
mapfien.a |
|
7 |
|
mapfien.b |
|
8 |
|
mapfien.c |
|
9 |
|
mapfien.d |
|
10 |
|
mapfien.z |
|
11 |
|
f1ocnv |
|
12 |
|
f1of |
|
13 |
5 11 12
|
3syl |
|
14 |
13
|
adantr |
|
15 |
|
elrabi |
|
16 |
15 2
|
eleq2s |
|
17 |
16
|
adantl |
|
18 |
|
elmapi |
|
19 |
17 18
|
syl |
|
20 |
14 19
|
fcod |
|
21 |
|
f1ocnv |
|
22 |
|
f1of |
|
23 |
4 21 22
|
3syl |
|
24 |
23
|
adantr |
|
25 |
20 24
|
fcod |
|
26 |
7 6
|
elmapd |
|
27 |
26
|
adantr |
|
28 |
25 27
|
mpbird |
|
29 |
1 2 3 4 5 6 7 8 9 10
|
mapfienlem2 |
|
30 |
|
breq1 |
|
31 |
30 1
|
elrab2 |
|
32 |
28 29 31
|
sylanbrc |
|