Step |
Hyp |
Ref |
Expression |
1 |
|
eluz2nn |
|
2 |
|
nneop |
|
3 |
1 2
|
syl |
|
4 |
|
nnnn0 |
|
5 |
|
blennn0em1 |
|
6 |
4 5
|
sylan2 |
|
7 |
6
|
ancoms |
|
8 |
7
|
oveq1d |
|
9 |
|
nnz |
|
10 |
|
flid |
|
11 |
9 10
|
syl |
|
12 |
11
|
eqcomd |
|
13 |
12
|
fveq2d |
|
14 |
13
|
oveq1d |
|
15 |
14
|
adantr |
|
16 |
|
blennnelnn |
|
17 |
16
|
nncnd |
|
18 |
|
npcan1 |
|
19 |
17 18
|
syl |
|
20 |
19
|
adantl |
|
21 |
8 15 20
|
3eqtr3rd |
|
22 |
21
|
expcom |
|
23 |
22 1
|
syl11 |
|
24 |
|
nnnn0 |
|
25 |
|
blennngt2o2 |
|
26 |
24 25
|
sylan2 |
|
27 |
26
|
ancoms |
|
28 |
|
eluzge2nn0 |
|
29 |
|
nn0ofldiv2 |
|
30 |
28 24 29
|
syl2anr |
|
31 |
30
|
eqcomd |
|
32 |
31
|
fveq2d |
|
33 |
32
|
oveq1d |
|
34 |
27 33
|
eqtrd |
|
35 |
34
|
ex |
|
36 |
23 35
|
jaoi |
|
37 |
3 36
|
mpcom |
|