Step |
Hyp |
Ref |
Expression |
1 |
|
dia1dimid.h |
|
2 |
|
dia1dimid.t |
|
3 |
|
dia1dimid.r |
|
4 |
|
dia1dimid.i |
|
5 |
|
eqid |
|
6 |
1 5
|
dvalvec |
|
7 |
|
lveclmod |
|
8 |
6 7
|
syl |
|
9 |
8
|
adantr |
|
10 |
|
eqid |
|
11 |
1 2 5 10
|
dvavbase |
|
12 |
11
|
eleq2d |
|
13 |
12
|
biimpar |
|
14 |
|
eqid |
|
15 |
10 14
|
lspsnid |
|
16 |
9 13 15
|
syl2anc |
|
17 |
1 2 3 5 4 14
|
dia1dim2 |
|
18 |
16 17
|
eleqtrrd |
|