Step |
Hyp |
Ref |
Expression |
1 |
|
cdlemg12.l |
|
2 |
|
cdlemg12.j |
|
3 |
|
cdlemg12.m |
|
4 |
|
cdlemg12.a |
|
5 |
|
cdlemg12.h |
|
6 |
|
cdlemg12.t |
|
7 |
|
cdlemg12.u |
|
8 |
|
simp1l |
|
9 |
|
simp21l |
|
10 |
|
simp1 |
|
11 |
|
simp31 |
|
12 |
1 4 5 6
|
ltrnat |
|
13 |
10 11 9 12
|
syl3anc |
|
14 |
|
simp1r |
|
15 |
|
simp21 |
|
16 |
|
simp22l |
|
17 |
|
simp32 |
|
18 |
1 2 3 4 5 7
|
cdleme0a |
|
19 |
8 14 15 16 17 18
|
syl212anc |
|
20 |
|
simp33 |
|
21 |
1 2 3 4
|
2llnma3r |
|
22 |
8 9 13 19 20 21
|
syl131anc |
|
23 |
|
simp23 |
|
24 |
1 4 5 6
|
ltrncoat |
|
25 |
10 23 11 9 24
|
syl121anc |
|
26 |
1 2 4
|
hlatlej2 |
|
27 |
8 25 19 26
|
syl3anc |
|
28 |
22 27
|
eqbrtrd |
|