Step |
Hyp |
Ref |
Expression |
1 |
|
fprr.1 |
|
2 |
|
eqid |
|
3 |
2
|
frrlem1 |
|
4 |
3 1
|
fprlem1 |
|
5 |
3 1 4
|
frrlem9 |
|
6 |
|
eqid |
|
7 |
|
simp1 |
|
8 |
|
ssidd |
|
9 |
|
fprlem2 |
|
10 |
|
setlikespec |
|
11 |
10
|
ancoms |
|
12 |
11
|
3ad2antl3 |
|
13 |
|
predss |
|
14 |
13
|
a1i |
|
15 |
|
difssd |
|
16 |
|
simpr |
|
17 |
15 16
|
jca |
|
18 |
|
frpomin2 |
|
19 |
17 18
|
syldan |
|
20 |
3 1 4 6 7 8 9 12 14 19
|
frrlem14 |
|
21 |
|
df-fn |
|
22 |
5 20 21
|
sylanbrc |
|