Step |
Hyp |
Ref |
Expression |
1 |
|
ltrnset.l |
|
2 |
|
ltrnset.j |
|
3 |
|
ltrnset.m |
|
4 |
|
ltrnset.a |
|
5 |
|
ltrnset.h |
|
6 |
|
ltrnset.d |
|
7 |
|
ltrnset.t |
|
8 |
1 2 3 4 5 6 7
|
ltrnset |
|
9 |
8
|
eleq2d |
|
10 |
|
fveq1 |
|
11 |
10
|
oveq2d |
|
12 |
11
|
oveq1d |
|
13 |
|
fveq1 |
|
14 |
13
|
oveq2d |
|
15 |
14
|
oveq1d |
|
16 |
12 15
|
eqeq12d |
|
17 |
16
|
imbi2d |
|
18 |
17
|
2ralbidv |
|
19 |
18
|
elrab |
|
20 |
9 19
|
bitrdi |
|