Step |
Hyp |
Ref |
Expression |
1 |
|
nn0re |
|
2 |
1
|
adantr |
|
3 |
|
2re |
|
4 |
3
|
a1i |
|
5 |
|
reexpcl |
|
6 |
4 5
|
sylan |
|
7 |
|
2cnd |
|
8 |
|
2ne0 |
|
9 |
8
|
a1i |
|
10 |
|
nn0z |
|
11 |
10
|
adantl |
|
12 |
7 9 11
|
expne0d |
|
13 |
2 6 12
|
redivcld |
|
14 |
13
|
flcld |
|
15 |
|
mod2eq1n2dvds |
|
16 |
14 15
|
syl |
|
17 |
|
2nn |
|
18 |
17
|
a1i |
|
19 |
|
simpr |
|
20 |
|
nn0rp0 |
|
21 |
20
|
adantr |
|
22 |
|
nn0digval |
|
23 |
18 19 21 22
|
syl3anc |
|
24 |
23
|
eqeq1d |
|
25 |
|
nn0z |
|
26 |
|
bitsval2 |
|
27 |
25 26
|
sylan |
|
28 |
16 24 27
|
3bitr4d |
|