Step |
Hyp |
Ref |
Expression |
1 |
|
ishlat.b |
|
2 |
|
ishlat.l |
|
3 |
|
ishlat.s |
|
4 |
|
ishlat.j |
|
5 |
|
ishlat.z |
|
6 |
|
ishlat.u |
|
7 |
|
ishlat.a |
|
8 |
1 2 3 4 5 6 7
|
ishlat1 |
|
9 |
|
simpll3 |
|
10 |
|
simplrl |
|
11 |
|
simplrr |
|
12 |
|
simpr |
|
13 |
7 2 4
|
cvlsupr3 |
|
14 |
9 10 11 12 13
|
syl13anc |
|
15 |
14
|
rexbidva |
|
16 |
|
ne0i |
|
17 |
16
|
ad2antrl |
|
18 |
|
r19.37zv |
|
19 |
17 18
|
syl |
|
20 |
15 19
|
bitr2d |
|
21 |
20
|
2ralbidva |
|
22 |
21
|
anbi1d |
|
23 |
22
|
pm5.32i |
|
24 |
8 23
|
bitri |
|