Step |
Hyp |
Ref |
Expression |
1 |
|
ineq1 |
|
2 |
|
ineq1 |
|
3 |
1 2
|
oveq12d |
|
4 |
|
ineq1 |
|
5 |
3 4
|
sseq12d |
|
6 |
|
ineq2 |
|
7 |
6
|
oveq1d |
|
8 |
|
oveq1 |
|
9 |
8
|
ineq2d |
|
10 |
7 9
|
sseq12d |
|
11 |
|
ineq2 |
|
12 |
11
|
oveq2d |
|
13 |
|
oveq2 |
|
14 |
13
|
ineq2d |
|
15 |
12 14
|
sseq12d |
|
16 |
|
h0elch |
|
17 |
16
|
elimel |
|
18 |
16
|
elimel |
|
19 |
16
|
elimel |
|
20 |
17 18 19
|
ledii |
|
21 |
5 10 15 20
|
dedth3h |
|