Step |
Hyp |
Ref |
Expression |
1 |
|
islpln3.b |
|
2 |
|
islpln3.l |
|
3 |
|
islpln3.j |
|
4 |
|
islpln3.a |
|
5 |
|
islpln3.n |
|
6 |
|
islpln3.p |
|
7 |
|
eqid |
|
8 |
1 7 5 6
|
islpln4 |
|
9 |
|
simpll |
|
10 |
1 5
|
llnbase |
|
11 |
10
|
adantl |
|
12 |
|
simplr |
|
13 |
1 2 3 7 4
|
cvrval3 |
|
14 |
9 11 12 13
|
syl3anc |
|
15 |
|
eqcom |
|
16 |
15
|
a1i |
|
17 |
16
|
anbi2d |
|
18 |
17
|
rexbidva |
|
19 |
14 18
|
bitrd |
|
20 |
19
|
rexbidva |
|
21 |
8 20
|
bitrd |
|