| Step |
Hyp |
Ref |
Expression |
| 1 |
|
0re |
|
| 2 |
|
ax-rnegex |
|
| 3 |
|
oveq2 |
|
| 4 |
3
|
eqeq1d |
|
| 5 |
4
|
biimpd |
|
| 6 |
5
|
adantld |
|
| 7 |
|
ax-rrecex |
|
| 8 |
7
|
adantlr |
|
| 9 |
|
simplll |
|
| 10 |
9
|
recnd |
|
| 11 |
|
simprl |
|
| 12 |
11
|
recnd |
|
| 13 |
|
0cn |
|
| 14 |
|
mulass |
|
| 15 |
13 14
|
mp3an3 |
|
| 16 |
10 12 15
|
syl2anc |
|
| 17 |
|
oveq1 |
|
| 18 |
13
|
mullidi |
|
| 19 |
17 18
|
eqtrdi |
|
| 20 |
19
|
ad2antll |
|
| 21 |
16 20
|
eqtr3d |
|
| 22 |
21
|
oveq1d |
|
| 23 |
|
simpllr |
|
| 24 |
23
|
oveq1d |
|
| 25 |
|
remulcl |
|
| 26 |
1 25
|
mpan2 |
|
| 27 |
26
|
ad2antrl |
|
| 28 |
27
|
recnd |
|
| 29 |
|
adddir |
|
| 30 |
13 10 28 29
|
mp3an2i |
|
| 31 |
24 30
|
eqtr3d |
|
| 32 |
31
|
oveq1d |
|
| 33 |
|
remulcl |
|
| 34 |
1 26 33
|
sylancr |
|
| 35 |
34
|
ad2antrl |
|
| 36 |
35
|
recnd |
|
| 37 |
|
remulcl |
|
| 38 |
9 27 37
|
syl2anc |
|
| 39 |
38
|
recnd |
|
| 40 |
|
addass |
|
| 41 |
13 40
|
mp3an3 |
|
| 42 |
36 39 41
|
syl2anc |
|
| 43 |
32 42
|
eqtr2d |
|
| 44 |
26 37
|
sylan2 |
|
| 45 |
|
readdcl |
|
| 46 |
44 1 45
|
sylancl |
|
| 47 |
9 11 46
|
syl2anc |
|
| 48 |
|
readdcan |
|
| 49 |
1 48
|
mp3an2 |
|
| 50 |
47 35 49
|
syl2anc |
|
| 51 |
43 50
|
mpbid |
|
| 52 |
22 51
|
eqtr3d |
|
| 53 |
8 52
|
rexlimddv |
|
| 54 |
53
|
expcom |
|
| 55 |
6 54
|
pm2.61ine |
|
| 56 |
55
|
rexlimiva |
|
| 57 |
1 2 56
|
mp2b |
|