Step |
Hyp |
Ref |
Expression |
1 |
|
log2ublem1.1 |
|
2 |
|
log2ublem1.2 |
|
3 |
|
log2ublem1.3 |
|
4 |
|
log2ublem1.4 |
|
5 |
|
log2ublem1.5 |
|
6 |
|
log2ublem1.6 |
|
7 |
|
log2ublem1.7 |
|
8 |
|
log2ublem1.8 |
|
9 |
|
log2ublem1.9 |
|
10 |
|
3nn |
|
11 |
|
7nn0 |
|
12 |
|
nnexpcl |
|
13 |
10 11 12
|
mp2an |
|
14 |
|
5nn |
|
15 |
|
7nn |
|
16 |
14 15
|
nnmulcli |
|
17 |
13 16
|
nnmulcli |
|
18 |
17
|
nncni |
|
19 |
3
|
nn0cni |
|
20 |
4
|
nncni |
|
21 |
4
|
nnne0i |
|
22 |
18 19 20 21
|
divassi |
|
23 |
|
3nn0 |
|
24 |
23 11
|
nn0expcli |
|
25 |
|
5nn0 |
|
26 |
25 11
|
nn0mulcli |
|
27 |
24 26
|
nn0mulcli |
|
28 |
27 3
|
nn0mulcli |
|
29 |
28
|
nn0rei |
|
30 |
6
|
nn0rei |
|
31 |
4
|
nnrei |
|
32 |
4
|
nngt0i |
|
33 |
31 32
|
pm3.2i |
|
34 |
|
ledivmul |
|
35 |
29 30 33 34
|
mp3an |
|
36 |
9 35
|
mpbir |
|
37 |
22 36
|
eqbrtrri |
|
38 |
17
|
nnrei |
|
39 |
38 2
|
remulcli |
|
40 |
3
|
nn0rei |
|
41 |
|
nndivre |
|
42 |
40 4 41
|
mp2an |
|
43 |
38 42
|
remulcli |
|
44 |
5
|
nn0rei |
|
45 |
39 43 44 30
|
le2addi |
|
46 |
1 37 45
|
mp2an |
|
47 |
7
|
oveq2i |
|
48 |
2
|
recni |
|
49 |
42
|
recni |
|
50 |
18 48 49
|
adddii |
|
51 |
47 50
|
eqtr2i |
|
52 |
46 51 8
|
3brtr3i |
|