| Step |
Hyp |
Ref |
Expression |
| 1 |
|
cdlemg44.h |
|
| 2 |
|
cdlemg44.t |
|
| 3 |
|
cdlemg44.r |
|
| 4 |
|
cdlemg44.l |
|
| 5 |
|
cdlemg44.a |
|
| 6 |
|
simpl1 |
|
| 7 |
|
simpl21 |
|
| 8 |
|
simpl23 |
|
| 9 |
|
simpl22 |
|
| 10 |
4 5 1 2
|
ltrnel |
|
| 11 |
6 9 8 10
|
syl3anc |
|
| 12 |
|
simpr |
|
| 13 |
4 5 1 2
|
ltrnateq |
|
| 14 |
6 7 8 11 12 13
|
syl131anc |
|
| 15 |
12
|
fveq2d |
|
| 16 |
14 15
|
eqtr4d |
|
| 17 |
|
simpr |
|
| 18 |
17
|
fveq2d |
|
| 19 |
|
simpl1 |
|
| 20 |
|
simpl22 |
|
| 21 |
|
simpl23 |
|
| 22 |
|
simpl21 |
|
| 23 |
4 5 1 2
|
ltrnel |
|
| 24 |
19 22 21 23
|
syl3anc |
|
| 25 |
4 5 1 2
|
ltrnateq |
|
| 26 |
19 20 21 24 17 25
|
syl131anc |
|
| 27 |
18 26
|
eqtr4d |
|
| 28 |
|
simpl1 |
|
| 29 |
|
simpl2 |
|
| 30 |
|
simprl |
|
| 31 |
|
simprr |
|
| 32 |
|
simpl3 |
|
| 33 |
1 2 3 4 5
|
cdlemg44a |
|
| 34 |
28 29 30 31 32 33
|
syl113anc |
|
| 35 |
16 27 34
|
pm2.61da2ne |
|