Step |
Hyp |
Ref |
Expression |
1 |
|
abfmpeld.1 |
|
2 |
|
abfmpeld.2 |
|
3 |
|
abfmpeld.3 |
|
4 |
2
|
alrimiv |
|
5 |
|
csbexg |
|
6 |
4 5
|
syl |
|
7 |
1
|
fvmpts |
|
8 |
6 7
|
sylan2 |
|
9 |
|
csbab |
|
10 |
8 9
|
eqtrdi |
|
11 |
10
|
eleq2d |
|
12 |
11
|
adantl |
|
13 |
|
simpll |
|
14 |
3
|
ancomsd |
|
15 |
14
|
adantl |
|
16 |
15
|
impl |
|
17 |
13 16
|
sbcied |
|
18 |
17
|
ex |
|
19 |
18
|
alrimiv |
|
20 |
|
elabgt |
|
21 |
19 20
|
sylan2 |
|
22 |
12 21
|
bitrd |
|
23 |
22
|
an13s |
|
24 |
23
|
ex |
|