Step |
Hyp |
Ref |
Expression |
1 |
|
cdlemg4.l |
|
2 |
|
cdlemg4.a |
|
3 |
|
cdlemg4.h |
|
4 |
|
cdlemg4.t |
|
5 |
|
cdlemg4.r |
|
6 |
|
cdlemg4.j |
|
7 |
|
cdlemg4b.v |
|
8 |
|
cdlemg4.m |
|
9 |
|
simp1 |
|
10 |
|
simp23 |
|
11 |
|
simp31 |
|
12 |
|
simp21 |
|
13 |
1 2 3 4
|
ltrnel |
|
14 |
9 11 12 13
|
syl3anc |
|
15 |
|
simp22 |
|
16 |
1 2 3 4
|
ltrnel |
|
17 |
9 11 15 16
|
syl3anc |
|
18 |
1 2 3 4 5 6 7
|
cdlemg4d |
|
19 |
1 6 8 2 3 4 5
|
cdlemc |
|
20 |
9 10 14 17 18 19
|
syl131anc |
|