Step |
Hyp |
Ref |
Expression |
1 |
|
cxp112d.c |
|
2 |
|
cxp112d.a |
|
3 |
|
cxp112d.b |
|
4 |
|
cxp112d.0 |
|
5 |
|
cxp112d.1 |
|
6 |
1 4 2
|
cxpefd |
|
7 |
1 4 3
|
cxpefd |
|
8 |
6 7
|
eqeq12d |
|
9 |
1 4
|
logcld |
|
10 |
2 9
|
mulcld |
|
11 |
3 9
|
mulcld |
|
12 |
10 11
|
ef11d |
|
13 |
2
|
adantr |
|
14 |
9
|
adantr |
|
15 |
11
|
adantr |
|
16 |
|
ax-icn |
|
17 |
|
2cn |
|
18 |
|
picn |
|
19 |
17 18
|
mulcli |
|
20 |
16 19
|
mulcli |
|
21 |
20
|
a1i |
|
22 |
|
zcn |
|
23 |
22
|
adantl |
|
24 |
21 23
|
mulcld |
|
25 |
15 24
|
addcld |
|
26 |
1 4 5
|
logccne0d |
|
27 |
26
|
adantr |
|
28 |
13 14 25 27
|
ldiv |
|
29 |
15 24 14 27
|
divdird |
|
30 |
3 9 26
|
divcan4d |
|
31 |
30
|
adantr |
|
32 |
31
|
oveq1d |
|
33 |
29 32
|
eqtrd |
|
34 |
33
|
eqeq2d |
|
35 |
28 34
|
bitrd |
|
36 |
35
|
rexbidva |
|
37 |
8 12 36
|
3bitrd |
|