Step |
Hyp |
Ref |
Expression |
1 |
|
2z |
|
2 |
|
uzid |
|
3 |
1 2
|
mp1i |
|
4 |
|
id |
|
5 |
|
eqid |
|
6 |
3 4 5
|
fllogbd |
|
7 |
|
2re |
|
8 |
7
|
a1i |
|
9 |
|
2ne0 |
|
10 |
9
|
a1i |
|
11 |
|
relogbzcl |
|
12 |
3 4 11
|
syl2anc |
|
13 |
12
|
flcld |
|
14 |
8 10 13
|
reexpclzd |
|
15 |
|
2pos |
|
16 |
15
|
a1i |
|
17 |
|
expgt0 |
|
18 |
8 13 16 17
|
syl3anc |
|
19 |
14 18
|
elrpd |
|
20 |
|
rpre |
|
21 |
|
divge1b |
|
22 |
21
|
bicomd |
|
23 |
19 20 22
|
syl2anc |
|
24 |
23
|
biimprd |
|
25 |
|
2cnd |
|
26 |
25 10 13
|
expp1zd |
|
27 |
26
|
breq2d |
|
28 |
|
ltdivmul |
|
29 |
20 8 14 18 28
|
syl112anc |
|
30 |
27 29
|
bitr4d |
|
31 |
30
|
biimpd |
|
32 |
|
1p1e2 |
|
33 |
32
|
breq2i |
|
34 |
31 33
|
syl6ibr |
|
35 |
24 34
|
anim12d |
|
36 |
6 35
|
mpd |
|
37 |
25 10 13
|
expne0d |
|
38 |
20 14 37
|
redivcld |
|
39 |
|
1zzd |
|
40 |
|
flbi |
|
41 |
38 39 40
|
syl2anc |
|
42 |
36 41
|
mpbird |
|