Step |
Hyp |
Ref |
Expression |
1 |
|
simplr |
|
2 |
|
dvdszrcl |
|
3 |
2
|
adantl |
|
4 |
3
|
simpld |
|
5 |
|
bezout |
|
6 |
1 4 5
|
syl2anc |
|
7 |
4
|
adantr |
|
8 |
|
simplll |
|
9 |
|
simpllr |
|
10 |
|
simprl |
|
11 |
9 10
|
zmulcld |
|
12 |
8 11
|
zmulcld |
|
13 |
|
simprr |
|
14 |
7 13
|
zmulcld |
|
15 |
8 14
|
zmulcld |
|
16 |
8 9
|
zmulcld |
|
17 |
|
simplr |
|
18 |
7 16 10 17
|
dvdsmultr1d |
|
19 |
8
|
zcnd |
|
20 |
9
|
zcnd |
|
21 |
10
|
zcnd |
|
22 |
19 20 21
|
mulassd |
|
23 |
18 22
|
breqtrd |
|
24 |
8 13
|
zmulcld |
|
25 |
|
dvdsmul1 |
|
26 |
7 24 25
|
syl2anc |
|
27 |
7
|
zcnd |
|
28 |
13
|
zcnd |
|
29 |
19 27 28
|
mul12d |
|
30 |
26 29
|
breqtrrd |
|
31 |
7 12 15 23 30
|
dvds2addd |
|
32 |
11
|
zcnd |
|
33 |
14
|
zcnd |
|
34 |
19 32 33
|
adddid |
|
35 |
31 34
|
breqtrrd |
|
36 |
|
oveq2 |
|
37 |
36
|
breq2d |
|
38 |
35 37
|
syl5ibrcom |
|
39 |
38
|
rexlimdvva |
|
40 |
6 39
|
mpd |
|
41 |
|
dvdszrcl |
|
42 |
41
|
adantl |
|
43 |
42
|
simpld |
|
44 |
42
|
simprd |
|
45 |
|
zmulcl |
|
46 |
45
|
adantr |
|
47 |
|
simpr |
|
48 |
|
simplr |
|
49 |
|
gcddvds |
|
50 |
48 43 49
|
syl2anc |
|
51 |
50
|
simpld |
|
52 |
48 43
|
gcdcld |
|
53 |
52
|
nn0zd |
|
54 |
|
simpll |
|
55 |
|
dvdscmul |
|
56 |
53 48 54 55
|
syl3anc |
|
57 |
51 56
|
mpd |
|
58 |
43 44 46 47 57
|
dvdstrd |
|
59 |
40 58
|
impbida |
|