Step |
Hyp |
Ref |
Expression |
1 |
|
frmy |
|
2 |
1
|
fovcl |
|
3 |
2
|
3adant3 |
|
4 |
1
|
fovcl |
|
5 |
4
|
3adant2 |
|
6 |
|
frmx |
|
7 |
6
|
fovcl |
|
8 |
7
|
3adant3 |
|
9 |
8
|
nn0zd |
|
10 |
3 9
|
gcdcomd |
|
11 |
|
jm2.19lem1 |
|
12 |
11
|
3adant3 |
|
13 |
10 12
|
eqtrd |
|
14 |
|
coprmdvdsb |
|
15 |
3 5 9 13 14
|
syl112anc |
|
16 |
8
|
nn0cnd |
|
17 |
5
|
zcnd |
|
18 |
16 17
|
mulcomd |
|
19 |
18
|
breq2d |
|
20 |
15 19
|
bitrd |
|
21 |
5 9
|
zmulcld |
|
22 |
6
|
fovcl |
|
23 |
22
|
3adant2 |
|
24 |
23
|
nn0zd |
|
25 |
24 3
|
zmulcld |
|
26 |
|
dvdsmul2 |
|
27 |
24 3 26
|
syl2anc |
|
28 |
|
dvdsadd2b |
|
29 |
3 21 25 27 28
|
syl112anc |
|
30 |
|
rmyadd |
|
31 |
30
|
3com23 |
|
32 |
17 16
|
mulcld |
|
33 |
23
|
nn0cnd |
|
34 |
3
|
zcnd |
|
35 |
33 34
|
mulcld |
|
36 |
32 35
|
addcomd |
|
37 |
31 36
|
eqtr2d |
|
38 |
37
|
breq2d |
|
39 |
20 29 38
|
3bitrd |
|