Step |
Hyp |
Ref |
Expression |
1 |
|
2rp |
|
2 |
|
1ne2 |
|
3 |
2
|
necomi |
|
4 |
|
eldifsn |
|
5 |
1 3 4
|
mpbir2an |
|
6 |
|
nnrp |
|
7 |
6
|
adantr |
|
8 |
|
relogbdivb |
|
9 |
5 7 8
|
sylancr |
|
10 |
9
|
fveq2d |
|
11 |
10
|
oveq1d |
|
12 |
1
|
a1i |
|
13 |
3
|
a1i |
|
14 |
|
relogbcl |
|
15 |
12 6 13 14
|
syl3anc |
|
16 |
|
1zzd |
|
17 |
15 16
|
jca |
|
18 |
17
|
adantr |
|
19 |
|
flsubz |
|
20 |
18 19
|
syl |
|
21 |
20
|
oveq1d |
|
22 |
15
|
flcld |
|
23 |
22
|
zcnd |
|
24 |
|
npcan1 |
|
25 |
23 24
|
syl |
|
26 |
25
|
adantr |
|
27 |
11 21 26
|
3eqtrd |
|
28 |
27
|
oveq1d |
|
29 |
|
nn0enne |
|
30 |
29
|
biimpa |
|
31 |
|
blennn |
|
32 |
31
|
oveq1d |
|
33 |
30 32
|
syl |
|
34 |
|
blennn |
|
35 |
34
|
adantr |
|
36 |
28 33 35
|
3eqtr4rd |
|