Step |
Hyp |
Ref |
Expression |
1 |
|
dihmeet2.m |
|
2 |
|
dihmeet2.h |
|
3 |
|
dihmeet2.i |
|
4 |
|
dihmeet2.k |
|
5 |
|
dihmeet2.x |
|
6 |
|
dihmeet2.y |
|
7 |
2 3
|
dihcnvid2 |
|
8 |
4 5 7
|
syl2anc |
|
9 |
2 3
|
dihcnvid2 |
|
10 |
4 6 9
|
syl2anc |
|
11 |
8 10
|
ineq12d |
|
12 |
|
eqid |
|
13 |
12 2 3
|
dihcnvcl |
|
14 |
4 5 13
|
syl2anc |
|
15 |
12 2 3
|
dihcnvcl |
|
16 |
4 6 15
|
syl2anc |
|
17 |
12 1 2 3
|
dihmeet |
|
18 |
4 14 16 17
|
syl3anc |
|
19 |
2 3
|
dihmeetcl |
|
20 |
4 5 6 19
|
syl12anc |
|
21 |
2 3
|
dihcnvid2 |
|
22 |
4 20 21
|
syl2anc |
|
23 |
11 18 22
|
3eqtr4rd |
|
24 |
12 2 3
|
dihcnvcl |
|
25 |
4 20 24
|
syl2anc |
|
26 |
4
|
simpld |
|
27 |
26
|
hllatd |
|
28 |
12 1
|
latmcl |
|
29 |
27 14 16 28
|
syl3anc |
|
30 |
12 2 3
|
dih11 |
|
31 |
4 25 29 30
|
syl3anc |
|
32 |
23 31
|
mpbid |
|