Step |
Hyp |
Ref |
Expression |
1 |
|
recn |
|
2 |
1
|
3ad2ant1 |
|
3 |
2
|
adantr |
|
4 |
|
simpl2 |
|
5 |
|
simpr |
|
6 |
4 5
|
modcld |
|
7 |
6
|
recnd |
|
8 |
|
zcn |
|
9 |
8
|
3ad2ant3 |
|
10 |
9
|
adantr |
|
11 |
7 10
|
mulcld |
|
12 |
3 11
|
addcomd |
|
13 |
12
|
oveq1d |
|
14 |
|
zre |
|
15 |
14
|
3ad2ant3 |
|
16 |
15
|
adantr |
|
17 |
6 16
|
remulcld |
|
18 |
|
simpl |
|
19 |
14
|
adantl |
|
20 |
18 19
|
remulcld |
|
21 |
20
|
3adant1 |
|
22 |
21
|
adantr |
|
23 |
22 5
|
modcld |
|
24 |
|
simp1 |
|
25 |
24
|
anim1i |
|
26 |
|
simpl3 |
|
27 |
|
modmulmod |
|
28 |
4 26 5 27
|
syl3anc |
|
29 |
|
remulcl |
|
30 |
14 29
|
sylan2 |
|
31 |
30
|
3adant1 |
|
32 |
|
modabs2 |
|
33 |
31 32
|
sylan |
|
34 |
28 33
|
eqtr4d |
|
35 |
|
modadd1 |
|
36 |
17 23 25 34 35
|
syl211anc |
|
37 |
31
|
adantr |
|
38 |
24
|
adantr |
|
39 |
|
modaddmod |
|
40 |
37 38 5 39
|
syl3anc |
|
41 |
|
recn |
|
42 |
|
mulcl |
|
43 |
41 8 42
|
syl2an |
|
44 |
43
|
3adant1 |
|
45 |
44 2
|
addcomd |
|
46 |
45
|
adantr |
|
47 |
46
|
oveq1d |
|
48 |
40 47
|
eqtrd |
|
49 |
13 36 48
|
3eqtrd |
|