Step |
Hyp |
Ref |
Expression |
1 |
|
isepi.b |
|
2 |
|
isepi.h |
|
3 |
|
isepi.o |
|
4 |
|
isepi.e |
|
5 |
|
isepi.c |
|
6 |
|
isepi.x |
|
7 |
|
isepi.y |
|
8 |
1 2 3 4 5 6 7
|
isepi |
|
9 |
5
|
ad2antrr |
|
10 |
6
|
ad2antrr |
|
11 |
7
|
ad2antrr |
|
12 |
|
simprl |
|
13 |
|
simplr |
|
14 |
|
simprr |
|
15 |
1 2 3 9 10 11 12 13 14
|
catcocl |
|
16 |
15
|
anassrs |
|
17 |
16
|
ralrimiva |
|
18 |
|
eqid |
|
19 |
18
|
fmpt |
|
20 |
|
df-f1 |
|
21 |
20
|
baib |
|
22 |
19 21
|
sylbi |
|
23 |
|
oveq1 |
|
24 |
18 23
|
f1mpt |
|
25 |
24
|
baib |
|
26 |
22 25
|
bitr3d |
|
27 |
17 26
|
syl |
|
28 |
27
|
ralbidva |
|
29 |
28
|
pm5.32da |
|
30 |
8 29
|
bitrd |
|