Step |
Hyp |
Ref |
Expression |
1 |
|
simp1 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> A e. ( ZZ>= ` 2 ) ) |
2 |
|
nnz |
|- ( N e. NN -> N e. ZZ ) |
3 |
2
|
3ad2ant3 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> N e. ZZ ) |
4 |
|
frmy |
|- rmY : ( ( ZZ>= ` 2 ) X. ZZ ) --> ZZ |
5 |
4
|
fovcl |
|- ( ( A e. ( ZZ>= ` 2 ) /\ N e. ZZ ) -> ( A rmY N ) e. ZZ ) |
6 |
1 3 5
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY N ) e. ZZ ) |
7 |
6
|
zcnd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY N ) e. CC ) |
8 |
7
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY N ) e. CC ) |
9 |
8
|
sqvald |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) = ( ( A rmY N ) x. ( A rmY N ) ) ) |
10 |
|
zsqcl |
|- ( ( A rmY N ) e. ZZ -> ( ( A rmY N ) ^ 2 ) e. ZZ ) |
11 |
6 10
|
syl |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 2 ) e. ZZ ) |
12 |
11
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) e. ZZ ) |
13 |
|
frmx |
|- rmX : ( ( ZZ>= ` 2 ) X. ZZ ) --> NN0 |
14 |
13
|
fovcl |
|- ( ( A e. ( ZZ>= ` 2 ) /\ N e. ZZ ) -> ( A rmX N ) e. NN0 ) |
15 |
1 3 14
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmX N ) e. NN0 ) |
16 |
15
|
nn0zd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmX N ) e. ZZ ) |
17 |
16
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmX N ) e. ZZ ) |
18 |
7
|
sqvald |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 2 ) = ( ( A rmY N ) x. ( A rmY N ) ) ) |
19 |
18
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) = ( ( A rmY N ) x. ( A rmY N ) ) ) |
20 |
|
simpr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) |
21 |
19 20
|
eqbrtrrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) x. ( A rmY N ) ) || ( A rmY M ) ) |
22 |
|
nnz |
|- ( M e. NN -> M e. ZZ ) |
23 |
22
|
3ad2ant2 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> M e. ZZ ) |
24 |
4
|
fovcl |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. ZZ ) -> ( A rmY M ) e. ZZ ) |
25 |
1 23 24
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY M ) e. ZZ ) |
26 |
|
muldvds1 |
|- ( ( ( A rmY N ) e. ZZ /\ ( A rmY N ) e. ZZ /\ ( A rmY M ) e. ZZ ) -> ( ( ( A rmY N ) x. ( A rmY N ) ) || ( A rmY M ) -> ( A rmY N ) || ( A rmY M ) ) ) |
27 |
6 6 25 26
|
syl3anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( ( A rmY N ) x. ( A rmY N ) ) || ( A rmY M ) -> ( A rmY N ) || ( A rmY M ) ) ) |
28 |
27
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( ( A rmY N ) x. ( A rmY N ) ) || ( A rmY M ) -> ( A rmY N ) || ( A rmY M ) ) ) |
29 |
21 28
|
mpd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY N ) || ( A rmY M ) ) |
30 |
|
simpl1 |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> A e. ( ZZ>= ` 2 ) ) |
31 |
3
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> N e. ZZ ) |
32 |
23
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> M e. ZZ ) |
33 |
|
jm2.19 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ N e. ZZ /\ M e. ZZ ) -> ( N || M <-> ( A rmY N ) || ( A rmY M ) ) ) |
34 |
30 31 32 33
|
syl3anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( N || M <-> ( A rmY N ) || ( A rmY M ) ) ) |
35 |
29 34
|
mpbird |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> N || M ) |
36 |
|
simpl2 |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> M e. NN ) |
37 |
|
simpl3 |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> N e. NN ) |
38 |
|
nndivdvds |
|- ( ( M e. NN /\ N e. NN ) -> ( N || M <-> ( M / N ) e. NN ) ) |
39 |
36 37 38
|
syl2anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( N || M <-> ( M / N ) e. NN ) ) |
40 |
35 39
|
mpbid |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( M / N ) e. NN ) |
41 |
|
nnm1nn0 |
|- ( ( M / N ) e. NN -> ( ( M / N ) - 1 ) e. NN0 ) |
42 |
40 41
|
syl |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( M / N ) - 1 ) e. NN0 ) |
43 |
|
zexpcl |
|- ( ( ( A rmX N ) e. ZZ /\ ( ( M / N ) - 1 ) e. NN0 ) -> ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) e. ZZ ) |
44 |
17 42 43
|
syl2anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) e. ZZ ) |
45 |
40
|
nnzd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( M / N ) e. ZZ ) |
46 |
6
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY N ) e. ZZ ) |
47 |
45 46
|
zmulcld |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( M / N ) x. ( A rmY N ) ) e. ZZ ) |
48 |
25
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY M ) e. ZZ ) |
49 |
|
nncn |
|- ( M e. NN -> M e. CC ) |
50 |
49
|
3ad2ant2 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> M e. CC ) |
51 |
|
nncn |
|- ( N e. NN -> N e. CC ) |
52 |
51
|
3ad2ant3 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> N e. CC ) |
53 |
|
nnne0 |
|- ( N e. NN -> N =/= 0 ) |
54 |
53
|
3ad2ant3 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> N =/= 0 ) |
55 |
50 52 54
|
divcan2d |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( N x. ( M / N ) ) = M ) |
56 |
55
|
oveq2d |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY ( N x. ( M / N ) ) ) = ( A rmY M ) ) |
57 |
56 25
|
eqeltrd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY ( N x. ( M / N ) ) ) e. ZZ ) |
58 |
57
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY ( N x. ( M / N ) ) ) e. ZZ ) |
59 |
44 46
|
zmulcld |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) e. ZZ ) |
60 |
45 59
|
zmulcld |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) e. ZZ ) |
61 |
58 60
|
zsubcld |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) e. ZZ ) |
62 |
|
3nn0 |
|- 3 e. NN0 |
63 |
62
|
a1i |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> 3 e. NN0 ) |
64 |
|
zexpcl |
|- ( ( ( A rmY N ) e. ZZ /\ 3 e. NN0 ) -> ( ( A rmY N ) ^ 3 ) e. ZZ ) |
65 |
6 63 64
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 3 ) e. ZZ ) |
66 |
65
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 3 ) e. ZZ ) |
67 |
|
2nn0 |
|- 2 e. NN0 |
68 |
67
|
a1i |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> 2 e. NN0 ) |
69 |
|
3z |
|- 3 e. ZZ |
70 |
|
2re |
|- 2 e. RR |
71 |
|
3re |
|- 3 e. RR |
72 |
|
2lt3 |
|- 2 < 3 |
73 |
70 71 72
|
ltleii |
|- 2 <_ 3 |
74 |
|
2z |
|- 2 e. ZZ |
75 |
74
|
eluz1i |
|- ( 3 e. ( ZZ>= ` 2 ) <-> ( 3 e. ZZ /\ 2 <_ 3 ) ) |
76 |
69 73 75
|
mpbir2an |
|- 3 e. ( ZZ>= ` 2 ) |
77 |
76
|
a1i |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> 3 e. ( ZZ>= ` 2 ) ) |
78 |
|
dvdsexp |
|- ( ( ( A rmY N ) e. ZZ /\ 2 e. NN0 /\ 3 e. ( ZZ>= ` 2 ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY N ) ^ 3 ) ) |
79 |
6 68 77 78
|
syl3anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY N ) ^ 3 ) ) |
80 |
79
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY N ) ^ 3 ) ) |
81 |
|
jm2.23 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ N e. ZZ /\ ( M / N ) e. NN ) -> ( ( A rmY N ) ^ 3 ) || ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
82 |
30 31 40 81
|
syl3anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 3 ) || ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
83 |
12 66 61 80 82
|
dvdstrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
84 |
|
dvds2sub |
|- ( ( ( ( A rmY N ) ^ 2 ) e. ZZ /\ ( A rmY M ) e. ZZ /\ ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) e. ZZ ) -> ( ( ( ( A rmY N ) ^ 2 ) || ( A rmY M ) /\ ( ( A rmY N ) ^ 2 ) || ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY M ) - ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) ) ) |
85 |
84
|
imp |
|- ( ( ( ( ( A rmY N ) ^ 2 ) e. ZZ /\ ( A rmY M ) e. ZZ /\ ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) e. ZZ ) /\ ( ( ( A rmY N ) ^ 2 ) || ( A rmY M ) /\ ( ( A rmY N ) ^ 2 ) || ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY M ) - ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) ) |
86 |
12 48 61 20 83 85
|
syl32anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY M ) - ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) ) |
87 |
55
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( N x. ( M / N ) ) = M ) |
88 |
87
|
oveq2d |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY ( N x. ( M / N ) ) ) = ( A rmY M ) ) |
89 |
88
|
oveq1d |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) = ( ( A rmY M ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
90 |
89
|
oveq2d |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY M ) - ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) = ( ( A rmY M ) - ( ( A rmY M ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) ) |
91 |
25
|
zcnd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY M ) e. CC ) |
92 |
91
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY M ) e. CC ) |
93 |
60
|
zcnd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) e. CC ) |
94 |
92 93
|
nncand |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY M ) - ( ( A rmY M ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) = ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) |
95 |
45
|
zcnd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( M / N ) e. CC ) |
96 |
44
|
zcnd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) e. CC ) |
97 |
95 96 8
|
mul12d |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) = ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( ( M / N ) x. ( A rmY N ) ) ) ) |
98 |
94 97
|
eqtrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY M ) - ( ( A rmY M ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) = ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( ( M / N ) x. ( A rmY N ) ) ) ) |
99 |
90 98
|
eqtrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY M ) - ( ( A rmY ( N x. ( M / N ) ) ) - ( ( M / N ) x. ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) = ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( ( M / N ) x. ( A rmY N ) ) ) ) |
100 |
86 99
|
breqtrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( ( M / N ) x. ( A rmY N ) ) ) ) |
101 |
6 16
|
gcdcomd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) gcd ( A rmX N ) ) = ( ( A rmX N ) gcd ( A rmY N ) ) ) |
102 |
|
jm2.19lem1 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ N e. ZZ ) -> ( ( A rmX N ) gcd ( A rmY N ) ) = 1 ) |
103 |
1 3 102
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmX N ) gcd ( A rmY N ) ) = 1 ) |
104 |
101 103
|
eqtrd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) gcd ( A rmX N ) ) = 1 ) |
105 |
104
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) gcd ( A rmX N ) ) = 1 ) |
106 |
67
|
a1i |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> 2 e. NN0 ) |
107 |
|
rpexp12i |
|- ( ( ( A rmY N ) e. ZZ /\ ( A rmX N ) e. ZZ /\ ( 2 e. NN0 /\ ( ( M / N ) - 1 ) e. NN0 ) ) -> ( ( ( A rmY N ) gcd ( A rmX N ) ) = 1 -> ( ( ( A rmY N ) ^ 2 ) gcd ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) ) = 1 ) ) |
108 |
46 17 106 42 107
|
syl112anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( ( A rmY N ) gcd ( A rmX N ) ) = 1 -> ( ( ( A rmY N ) ^ 2 ) gcd ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) ) = 1 ) ) |
109 |
105 108
|
mpd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( ( A rmY N ) ^ 2 ) gcd ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) ) = 1 ) |
110 |
|
coprmdvds |
|- ( ( ( ( A rmY N ) ^ 2 ) e. ZZ /\ ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) e. ZZ /\ ( ( M / N ) x. ( A rmY N ) ) e. ZZ ) -> ( ( ( ( A rmY N ) ^ 2 ) || ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( ( M / N ) x. ( A rmY N ) ) ) /\ ( ( ( A rmY N ) ^ 2 ) gcd ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) ) = 1 ) -> ( ( A rmY N ) ^ 2 ) || ( ( M / N ) x. ( A rmY N ) ) ) ) |
111 |
110
|
imp |
|- ( ( ( ( ( A rmY N ) ^ 2 ) e. ZZ /\ ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) e. ZZ /\ ( ( M / N ) x. ( A rmY N ) ) e. ZZ ) /\ ( ( ( A rmY N ) ^ 2 ) || ( ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) x. ( ( M / N ) x. ( A rmY N ) ) ) /\ ( ( ( A rmY N ) ^ 2 ) gcd ( ( A rmX N ) ^ ( ( M / N ) - 1 ) ) ) = 1 ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( M / N ) x. ( A rmY N ) ) ) |
112 |
12 44 47 100 109 111
|
syl32anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) ^ 2 ) || ( ( M / N ) x. ( A rmY N ) ) ) |
113 |
9 112
|
eqbrtrrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( A rmY N ) x. ( A rmY N ) ) || ( ( M / N ) x. ( A rmY N ) ) ) |
114 |
|
rmy0 |
|- ( A e. ( ZZ>= ` 2 ) -> ( A rmY 0 ) = 0 ) |
115 |
114
|
3ad2ant1 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY 0 ) = 0 ) |
116 |
|
nngt0 |
|- ( N e. NN -> 0 < N ) |
117 |
116
|
3ad2ant3 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> 0 < N ) |
118 |
|
0zd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> 0 e. ZZ ) |
119 |
|
ltrmy |
|- ( ( A e. ( ZZ>= ` 2 ) /\ 0 e. ZZ /\ N e. ZZ ) -> ( 0 < N <-> ( A rmY 0 ) < ( A rmY N ) ) ) |
120 |
1 118 3 119
|
syl3anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( 0 < N <-> ( A rmY 0 ) < ( A rmY N ) ) ) |
121 |
117 120
|
mpbid |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY 0 ) < ( A rmY N ) ) |
122 |
115 121
|
eqbrtrrd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> 0 < ( A rmY N ) ) |
123 |
|
elnnz |
|- ( ( A rmY N ) e. NN <-> ( ( A rmY N ) e. ZZ /\ 0 < ( A rmY N ) ) ) |
124 |
6 122 123
|
sylanbrc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY N ) e. NN ) |
125 |
|
nnne0 |
|- ( ( A rmY N ) e. NN -> ( A rmY N ) =/= 0 ) |
126 |
124 125
|
syl |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY N ) =/= 0 ) |
127 |
126
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY N ) =/= 0 ) |
128 |
|
dvdsmulcr |
|- ( ( ( A rmY N ) e. ZZ /\ ( M / N ) e. ZZ /\ ( ( A rmY N ) e. ZZ /\ ( A rmY N ) =/= 0 ) ) -> ( ( ( A rmY N ) x. ( A rmY N ) ) || ( ( M / N ) x. ( A rmY N ) ) <-> ( A rmY N ) || ( M / N ) ) ) |
129 |
46 45 46 127 128
|
syl112anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( ( A rmY N ) x. ( A rmY N ) ) || ( ( M / N ) x. ( A rmY N ) ) <-> ( A rmY N ) || ( M / N ) ) ) |
130 |
113 129
|
mpbid |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( A rmY N ) || ( M / N ) ) |
131 |
54
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> N =/= 0 ) |
132 |
|
dvdscmulr |
|- ( ( ( A rmY N ) e. ZZ /\ ( M / N ) e. ZZ /\ ( N e. ZZ /\ N =/= 0 ) ) -> ( ( N x. ( A rmY N ) ) || ( N x. ( M / N ) ) <-> ( A rmY N ) || ( M / N ) ) ) |
133 |
46 45 31 131 132
|
syl112anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( ( N x. ( A rmY N ) ) || ( N x. ( M / N ) ) <-> ( A rmY N ) || ( M / N ) ) ) |
134 |
130 133
|
mpbird |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( N x. ( A rmY N ) ) || ( N x. ( M / N ) ) ) |
135 |
134 87
|
breqtrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) -> ( N x. ( A rmY N ) ) || M ) |
136 |
11
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( ( A rmY N ) ^ 2 ) e. ZZ ) |
137 |
3 6
|
zmulcld |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( N x. ( A rmY N ) ) e. ZZ ) |
138 |
4
|
fovcl |
|- ( ( A e. ( ZZ>= ` 2 ) /\ ( N x. ( A rmY N ) ) e. ZZ ) -> ( A rmY ( N x. ( A rmY N ) ) ) e. ZZ ) |
139 |
1 137 138
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( A rmY ( N x. ( A rmY N ) ) ) e. ZZ ) |
140 |
139
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( A rmY ( N x. ( A rmY N ) ) ) e. ZZ ) |
141 |
25
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( A rmY M ) e. ZZ ) |
142 |
|
nnm1nn0 |
|- ( ( A rmY N ) e. NN -> ( ( A rmY N ) - 1 ) e. NN0 ) |
143 |
124 142
|
syl |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) - 1 ) e. NN0 ) |
144 |
|
zexpcl |
|- ( ( ( A rmX N ) e. ZZ /\ ( ( A rmY N ) - 1 ) e. NN0 ) -> ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) e. ZZ ) |
145 |
16 143 144
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) e. ZZ ) |
146 |
|
dvdsmul2 |
|- ( ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) e. ZZ /\ ( ( A rmY N ) ^ 2 ) e. ZZ ) -> ( ( A rmY N ) ^ 2 ) || ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( ( A rmY N ) ^ 2 ) ) ) |
147 |
145 11 146
|
syl2anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 2 ) || ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( ( A rmY N ) ^ 2 ) ) ) |
148 |
18
|
oveq2d |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( ( A rmY N ) ^ 2 ) ) = ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( ( A rmY N ) x. ( A rmY N ) ) ) ) |
149 |
145
|
zcnd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) e. CC ) |
150 |
149 7 7
|
mul12d |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( ( A rmY N ) x. ( A rmY N ) ) ) = ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) |
151 |
148 150
|
eqtrd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( ( A rmY N ) ^ 2 ) ) = ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) |
152 |
147 151
|
breqtrd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) |
153 |
145 6
|
zmulcld |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) e. ZZ ) |
154 |
6 153
|
zmulcld |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) e. ZZ ) |
155 |
139 154
|
zsubcld |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY ( N x. ( A rmY N ) ) ) - ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) e. ZZ ) |
156 |
|
jm2.23 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ N e. ZZ /\ ( A rmY N ) e. NN ) -> ( ( A rmY N ) ^ 3 ) || ( ( A rmY ( N x. ( A rmY N ) ) ) - ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
157 |
1 3 124 156
|
syl3anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 3 ) || ( ( A rmY ( N x. ( A rmY N ) ) ) - ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
158 |
11 65 155 79 157
|
dvdstrd |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 2 ) || ( ( A rmY ( N x. ( A rmY N ) ) ) - ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
159 |
|
dvdssub2 |
|- ( ( ( ( ( A rmY N ) ^ 2 ) e. ZZ /\ ( A rmY ( N x. ( A rmY N ) ) ) e. ZZ /\ ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) e. ZZ ) /\ ( ( A rmY N ) ^ 2 ) || ( ( A rmY ( N x. ( A rmY N ) ) ) - ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) -> ( ( ( A rmY N ) ^ 2 ) || ( A rmY ( N x. ( A rmY N ) ) ) <-> ( ( A rmY N ) ^ 2 ) || ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
160 |
11 139 154 158 159
|
syl31anc |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( ( A rmY N ) ^ 2 ) || ( A rmY ( N x. ( A rmY N ) ) ) <-> ( ( A rmY N ) ^ 2 ) || ( ( A rmY N ) x. ( ( ( A rmX N ) ^ ( ( A rmY N ) - 1 ) ) x. ( A rmY N ) ) ) ) ) |
161 |
152 160
|
mpbird |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( A rmY N ) ^ 2 ) || ( A rmY ( N x. ( A rmY N ) ) ) ) |
162 |
161
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( ( A rmY N ) ^ 2 ) || ( A rmY ( N x. ( A rmY N ) ) ) ) |
163 |
|
simpr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( N x. ( A rmY N ) ) || M ) |
164 |
|
simpl1 |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> A e. ( ZZ>= ` 2 ) ) |
165 |
137
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( N x. ( A rmY N ) ) e. ZZ ) |
166 |
23
|
adantr |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> M e. ZZ ) |
167 |
|
jm2.19 |
|- ( ( A e. ( ZZ>= ` 2 ) /\ ( N x. ( A rmY N ) ) e. ZZ /\ M e. ZZ ) -> ( ( N x. ( A rmY N ) ) || M <-> ( A rmY ( N x. ( A rmY N ) ) ) || ( A rmY M ) ) ) |
168 |
164 165 166 167
|
syl3anc |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( ( N x. ( A rmY N ) ) || M <-> ( A rmY ( N x. ( A rmY N ) ) ) || ( A rmY M ) ) ) |
169 |
163 168
|
mpbid |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( A rmY ( N x. ( A rmY N ) ) ) || ( A rmY M ) ) |
170 |
136 140 141 162 169
|
dvdstrd |
|- ( ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) /\ ( N x. ( A rmY N ) ) || M ) -> ( ( A rmY N ) ^ 2 ) || ( A rmY M ) ) |
171 |
135 170
|
impbida |
|- ( ( A e. ( ZZ>= ` 2 ) /\ M e. NN /\ N e. NN ) -> ( ( ( A rmY N ) ^ 2 ) || ( A rmY M ) <-> ( N x. ( A rmY N ) ) || M ) ) |