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 |
|