Step |
Hyp |
Ref |
Expression |
1 |
|
neg1rr |
|
2 |
|
1re |
|
3 |
|
neg1lt0 |
|
4 |
|
0lt1 |
|
5 |
|
0re |
|
6 |
1 5 2
|
lttri |
|
7 |
3 4 6
|
mp2an |
|
8 |
|
eqid |
|
9 |
|
eqid |
|
10 |
8 9
|
icchmeo |
|
11 |
1 2 7 10
|
mp3an |
|
12 |
|
hmphi |
|
13 |
11 12
|
ax-mp |
|
14 |
|
eqid |
|
15 |
|
eqid |
|
16 |
14 15 8
|
xrhmeo |
|
17 |
16
|
simpri |
|
18 |
|
hmphi |
|
19 |
17 18
|
ax-mp |
|
20 |
|
hmphtr |
|
21 |
13 19 20
|
mp2an |
|