Step |
Hyp |
Ref |
Expression |
1 |
|
fmtnonn |
|
2 |
1
|
nnzd |
|
3 |
|
fmtnonn |
|
4 |
3
|
nnzd |
|
5 |
2 4
|
anim12ci |
|
6 |
5
|
3adant3 |
|
7 |
|
gcddvds |
|
8 |
6 7
|
syl |
|
9 |
|
goldbachthlem1 |
|
10 |
|
gcdcl |
|
11 |
6 10
|
syl |
|
12 |
11
|
nn0zd |
|
13 |
4
|
3ad2ant2 |
|
14 |
|
2z |
|
15 |
14
|
a1i |
|
16 |
2 15
|
zsubcld |
|
17 |
16
|
3ad2ant1 |
|
18 |
|
dvdstr |
|
19 |
12 13 17 18
|
syl3anc |
|
20 |
9 19
|
mpan2d |
|
21 |
2
|
3ad2ant1 |
|
22 |
|
dvds2sub |
|
23 |
12 21 17 22
|
syl3anc |
|
24 |
23
|
ancomsd |
|
25 |
1
|
nncnd |
|
26 |
25
|
3ad2ant1 |
|
27 |
|
2cnd |
|
28 |
26 27
|
nncand |
|
29 |
28
|
breq2d |
|
30 |
|
2prm |
|
31 |
1 3
|
anim12ci |
|
32 |
31
|
3adant3 |
|
33 |
|
gcdnncl |
|
34 |
32 33
|
syl |
|
35 |
|
dvdsprime |
|
36 |
30 34 35
|
sylancr |
|
37 |
5 7
|
syl |
|
38 |
|
breq1 |
|
39 |
38
|
adantl |
|
40 |
|
fmtnoodd |
|
41 |
40
|
pm2.21d |
|
42 |
41
|
ad2antrr |
|
43 |
39 42
|
sylbid |
|
44 |
43
|
ex |
|
45 |
44
|
com23 |
|
46 |
45
|
adantld |
|
47 |
37 46
|
mpd |
|
48 |
47
|
3adant3 |
|
49 |
|
gcdcom |
|
50 |
6 49
|
syl |
|
51 |
50
|
eqeq1d |
|
52 |
51
|
biimpd |
|
53 |
48 52
|
jaod |
|
54 |
36 53
|
sylbid |
|
55 |
29 54
|
sylbid |
|
56 |
24 55
|
syld |
|
57 |
20 56
|
syland |
|
58 |
8 57
|
mpd |
|