Step |
Hyp |
Ref |
Expression |
1 |
|
dihjatb.l |
|
2 |
|
dihjatb.h |
|
3 |
|
dihjatb.j |
|
4 |
|
dihjatb.a |
|
5 |
|
dihjatb.u |
|
6 |
|
dihjatb.s |
|
7 |
|
dihjatb.i |
|
8 |
|
dihjatb.k |
|
9 |
|
dihjatb.p |
|
10 |
|
dihjatb.q |
|
11 |
1 3 4 2 5 6 7 8 9 10
|
dih2dimb |
|
12 |
|
eqid |
|
13 |
9
|
simpld |
|
14 |
12 4
|
atbase |
|
15 |
13 14
|
syl |
|
16 |
10
|
simpld |
|
17 |
12 4
|
atbase |
|
18 |
16 17
|
syl |
|
19 |
12 2 3 5 6 7 8 15 18
|
dihsumssj |
|
20 |
11 19
|
eqssd |
|