Step |
Hyp |
Ref |
Expression |
1 |
|
usgrislfuspgr.v |
|
2 |
|
usgrislfuspgr.i |
|
3 |
|
usgruspgr |
|
4 |
1 2
|
usgrfs |
|
5 |
|
f1f |
|
6 |
|
2re |
|
7 |
6
|
leidi |
|
8 |
7
|
a1i |
|
9 |
|
breq2 |
|
10 |
8 9
|
mpbird |
|
11 |
10
|
a1i |
|
12 |
11
|
ss2rabi |
|
13 |
12
|
a1i |
|
14 |
5 13
|
fssd |
|
15 |
4 14
|
syl |
|
16 |
3 15
|
jca |
|
17 |
1 2
|
uspgrf |
|
18 |
|
df-f1 |
|
19 |
|
fin |
|
20 |
|
umgrislfupgrlem |
|
21 |
|
feq3 |
|
22 |
20 21
|
ax-mp |
|
23 |
19 22
|
sylbb1 |
|
24 |
23
|
anim1i |
|
25 |
|
df-f1 |
|
26 |
24 25
|
sylibr |
|
27 |
26
|
ex |
|
28 |
27
|
impancom |
|
29 |
18 28
|
sylbi |
|
30 |
29
|
imp |
|
31 |
17 30
|
sylan |
|
32 |
1 2
|
isusgr |
|
33 |
32
|
adantr |
|
34 |
31 33
|
mpbird |
|
35 |
16 34
|
impbii |
|