Step |
Hyp |
Ref |
Expression |
1 |
|
reseq1 |
|
2 |
|
reseq1 |
|
3 |
1 2
|
jca |
|
4 |
|
elun |
|
5 |
|
fveq1 |
|
6 |
|
fvres |
|
7 |
5 6
|
sylan9req |
|
8 |
|
fvres |
|
9 |
8
|
adantl |
|
10 |
7 9
|
eqtr3d |
|
11 |
10
|
adantlr |
|
12 |
|
fveq1 |
|
13 |
|
fvres |
|
14 |
12 13
|
sylan9req |
|
15 |
|
fvres |
|
16 |
15
|
adantl |
|
17 |
14 16
|
eqtr3d |
|
18 |
17
|
adantll |
|
19 |
11 18
|
jaodan |
|
20 |
4 19
|
sylan2b |
|
21 |
20
|
ralrimiva |
|
22 |
|
eqfnfv |
|
23 |
21 22
|
syl5ibr |
|
24 |
3 23
|
impbid2 |
|