| Step |
Hyp |
Ref |
Expression |
| 1 |
|
cdlemg12.l |
|
| 2 |
|
cdlemg12.j |
|
| 3 |
|
cdlemg12.m |
|
| 4 |
|
cdlemg12.a |
|
| 5 |
|
cdlemg12.h |
|
| 6 |
|
cdlemg12.t |
|
| 7 |
|
cdlemg12b.r |
|
| 8 |
1 2 3 4 5 6 7
|
cdlemg12b |
|
| 9 |
|
simp1l |
|
| 10 |
|
simp21l |
|
| 11 |
|
simp1 |
|
| 12 |
|
simp31 |
|
| 13 |
1 4 5 6
|
ltrnat |
|
| 14 |
11 12 10 13
|
syl3anc |
|
| 15 |
|
simp23 |
|
| 16 |
1 4 5 6
|
ltrnat |
|
| 17 |
11 15 14 16
|
syl3anc |
|
| 18 |
|
simp22l |
|
| 19 |
1 4 5 6
|
ltrnat |
|
| 20 |
11 12 18 19
|
syl3anc |
|
| 21 |
1 4 5 6
|
ltrncoat |
|
| 22 |
11 15 12 18 21
|
syl121anc |
|
| 23 |
1 2 3 4
|
dalaw |
|
| 24 |
9 10 14 17 18 20 22 23
|
syl133anc |
|
| 25 |
8 24
|
mpd |
|