Step |
Hyp |
Ref |
Expression |
1 |
|
lflset.v |
|
2 |
|
lflset.a |
|
3 |
|
lflset.d |
|
4 |
|
lflset.s |
|
5 |
|
lflset.k |
|
6 |
|
lflset.p |
|
7 |
|
lflset.t |
|
8 |
|
lflset.f |
|
9 |
1 2 3 4 5 6 7 8
|
lflset |
|
10 |
9
|
eleq2d |
|
11 |
|
fveq1 |
|
12 |
|
fveq1 |
|
13 |
12
|
oveq2d |
|
14 |
|
fveq1 |
|
15 |
13 14
|
oveq12d |
|
16 |
11 15
|
eqeq12d |
|
17 |
16
|
2ralbidv |
|
18 |
17
|
ralbidv |
|
19 |
18
|
elrab |
|
20 |
5
|
fvexi |
|
21 |
1
|
fvexi |
|
22 |
20 21
|
elmap |
|
23 |
22
|
anbi1i |
|
24 |
19 23
|
bitri |
|
25 |
10 24
|
syl6bb |
|