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Theorem lgsquad3 15816
Description: Extend lgsquad2 15815 to integers which share a factor. (Contributed by Mario Carneiro, 19-Jun-2015.)
Assertion
Ref Expression
lgsquad3  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
( M  /L
N )  =  ( ( -u 1 ^ ( ( ( M  -  1 )  / 
2 )  x.  (
( N  -  1 )  /  2 ) ) )  x.  ( N  /L M ) ) )

Proof of Theorem lgsquad3
StepHypRef Expression
1 simplrl 537 . . . . . . . . . 10  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  N  e.  NN )
21nnzd 9601 . . . . . . . . 9  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  N  e.  ZZ )
3 nnz 9498 . . . . . . . . . 10  |-  ( M  e.  NN  ->  M  e.  ZZ )
43ad3antrrr 492 . . . . . . . . 9  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  M  e.  ZZ )
5 lgscl 15746 . . . . . . . . 9  |-  ( ( N  e.  ZZ  /\  M  e.  ZZ )  ->  ( N  /L
M )  e.  ZZ )
62, 4, 5syl2anc 411 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( N  /L M )  e.  ZZ )
76zred 9602 . . . . . . 7  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( N  /L M )  e.  RR )
8 absresq 11640 . . . . . . 7  |-  ( ( N  /L M )  e.  RR  ->  ( ( abs `  ( N  /L M ) ) ^ 2 )  =  ( ( N  /L M ) ^ 2 ) )
97, 8syl 14 . . . . . 6  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( abs `  ( N  /L
M ) ) ^
2 )  =  ( ( N  /L
M ) ^ 2 ) )
102, 4gcdcomd 12547 . . . . . . . . . 10  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( N  gcd  M )  =  ( M  gcd  N ) )
11 simpr 110 . . . . . . . . . 10  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( M  gcd  N )  =  1 )
1210, 11eqtrd 2264 . . . . . . . . 9  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( N  gcd  M )  =  1 )
13 lgsabs1 15771 . . . . . . . . . 10  |-  ( ( N  e.  ZZ  /\  M  e.  ZZ )  ->  ( ( abs `  ( N  /L M ) )  =  1  <->  ( N  gcd  M )  =  1 ) )
142, 4, 13syl2anc 411 . . . . . . . . 9  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( abs `  ( N  /L
M ) )  =  1  <->  ( N  gcd  M )  =  1 ) )
1512, 14mpbird 167 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( abs `  ( N  /L M ) )  =  1 )
1615oveq1d 6033 . . . . . . 7  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( abs `  ( N  /L
M ) ) ^
2 )  =  ( 1 ^ 2 ) )
17 sq1 10896 . . . . . . 7  |-  ( 1 ^ 2 )  =  1
1816, 17eqtrdi 2280 . . . . . 6  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( abs `  ( N  /L
M ) ) ^
2 )  =  1 )
196zcnd 9603 . . . . . . 7  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( N  /L M )  e.  CC )
2019sqvald 10933 . . . . . 6  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( N  /L M ) ^ 2 )  =  ( ( N  /L M )  x.  ( N  /L
M ) ) )
219, 18, 203eqtr3d 2272 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  1  =  ( ( N  /L
M )  x.  ( N  /L M ) ) )
2221oveq2d 6034 . . . 4  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( M  /L N )  x.  1 )  =  ( ( M  /L N )  x.  ( ( N  /L M )  x.  ( N  /L
M ) ) ) )
23 lgscl 15746 . . . . . . 7  |-  ( ( M  e.  ZZ  /\  N  e.  ZZ )  ->  ( M  /L
N )  e.  ZZ )
244, 2, 23syl2anc 411 . . . . . 6  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( M  /L N )  e.  ZZ )
2524zcnd 9603 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( M  /L N )  e.  CC )
2625, 19, 19mulassd 8203 . . . 4  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( ( M  /L N )  x.  ( N  /L M ) )  x.  ( N  /L M ) )  =  ( ( M  /L N )  x.  ( ( N  /L M )  x.  ( N  /L M ) ) ) )
2722, 26eqtr4d 2267 . . 3  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( M  /L N )  x.  1 )  =  ( ( ( M  /L N )  x.  ( N  /L M ) )  x.  ( N  /L M ) ) )
2825mulridd 8196 . . 3  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( M  /L N )  x.  1 )  =  ( M  /L
N ) )
29 simplll 535 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  M  e.  NN )
30 simpllr 536 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  -.  2  ||  M )
31 simplrr 538 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  -.  2  ||  N )
3229, 30, 1, 31, 11lgsquad2 15815 . . . 4  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( M  /L N )  x.  ( N  /L M ) )  =  ( -u 1 ^ ( ( ( M  -  1 )  /  2 )  x.  ( ( N  - 
1 )  /  2
) ) ) )
3332oveq1d 6033 . . 3  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( ( ( M  /L N )  x.  ( N  /L M ) )  x.  ( N  /L M ) )  =  ( (
-u 1 ^ (
( ( M  - 
1 )  /  2
)  x.  ( ( N  -  1 )  /  2 ) ) )  x.  ( N  /L M ) ) )
3427, 28, 333eqtr3d 2272 . 2  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  ( M  gcd  N )  =  1 )  ->  ( M  /L N )  =  ( ( -u 1 ^ ( ( ( M  -  1 )  /  2 )  x.  ( ( N  - 
1 )  /  2
) ) )  x.  ( N  /L
M ) ) )
35 neg1cn 9248 . . . . . 6  |-  -u 1  e.  CC
3635a1i 9 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  -u 1  e.  CC )
37 neg1ap0 9252 . . . . . 6  |-  -u 1 #  0
3837a1i 9 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  -u 1 #  0 )
393ad3antrrr 492 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  M  e.  ZZ )
40 simpllr 536 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  -.  2  ||  M )
41 1zzd 9506 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  1  e.  ZZ )
42 2prm 12701 . . . . . . . . 9  |-  2  e.  Prime
43 nprmdvds1 12714 . . . . . . . . 9  |-  ( 2  e.  Prime  ->  -.  2  ||  1 )
4442, 43mp1i 10 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  -.  2  ||  1 )
45 omoe 12459 . . . . . . . 8  |-  ( ( ( M  e.  ZZ  /\ 
-.  2  ||  M
)  /\  ( 1  e.  ZZ  /\  -.  2  ||  1 ) )  ->  2  ||  ( M  -  1 ) )
4639, 40, 41, 44, 45syl22anc 1274 . . . . . . 7  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  2  ||  ( M  -  1 ) )
47 2z 9507 . . . . . . . 8  |-  2  e.  ZZ
48 2ne0 9235 . . . . . . . 8  |-  2  =/=  0
49 peano2zm 9517 . . . . . . . . 9  |-  ( M  e.  ZZ  ->  ( M  -  1 )  e.  ZZ )
5039, 49syl 14 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  ( M  -  1 )  e.  ZZ )
51 dvdsval2 12353 . . . . . . . 8  |-  ( ( 2  e.  ZZ  /\  2  =/=  0  /\  ( M  -  1 )  e.  ZZ )  -> 
( 2  ||  ( M  -  1 )  <-> 
( ( M  - 
1 )  /  2
)  e.  ZZ ) )
5247, 48, 50, 51mp3an12i 1377 . . . . . . 7  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  (
2  ||  ( M  -  1 )  <->  ( ( M  -  1 )  /  2 )  e.  ZZ ) )
5346, 52mpbid 147 . . . . . 6  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  (
( M  -  1 )  /  2 )  e.  ZZ )
54 nnz 9498 . . . . . . . . . 10  |-  ( N  e.  NN  ->  N  e.  ZZ )
5554adantr 276 . . . . . . . . 9  |-  ( ( N  e.  NN  /\  -.  2  ||  N )  ->  N  e.  ZZ )
5655ad2antlr 489 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  N  e.  ZZ )
57 simplrr 538 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  -.  2  ||  N )
58 omoe 12459 . . . . . . . 8  |-  ( ( ( N  e.  ZZ  /\ 
-.  2  ||  N
)  /\  ( 1  e.  ZZ  /\  -.  2  ||  1 ) )  ->  2  ||  ( N  -  1 ) )
5956, 57, 41, 44, 58syl22anc 1274 . . . . . . 7  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  2  ||  ( N  -  1 ) )
60 peano2zm 9517 . . . . . . . . 9  |-  ( N  e.  ZZ  ->  ( N  -  1 )  e.  ZZ )
6156, 60syl 14 . . . . . . . 8  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  ( N  -  1 )  e.  ZZ )
62 dvdsval2 12353 . . . . . . . 8  |-  ( ( 2  e.  ZZ  /\  2  =/=  0  /\  ( N  -  1 )  e.  ZZ )  -> 
( 2  ||  ( N  -  1 )  <-> 
( ( N  - 
1 )  /  2
)  e.  ZZ ) )
6347, 48, 61, 62mp3an12i 1377 . . . . . . 7  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  (
2  ||  ( N  -  1 )  <->  ( ( N  -  1 )  /  2 )  e.  ZZ ) )
6459, 63mpbid 147 . . . . . 6  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  (
( N  -  1 )  /  2 )  e.  ZZ )
6553, 64zmulcld 9608 . . . . 5  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  (
( ( M  - 
1 )  /  2
)  x.  ( ( N  -  1 )  /  2 ) )  e.  ZZ )
6636, 38, 65expclzapd 10941 . . . 4  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  ( -u 1 ^ ( ( ( M  -  1 )  /  2 )  x.  ( ( N  -  1 )  / 
2 ) ) )  e.  CC )
6766mul01d 8572 . . 3  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  (
( -u 1 ^ (
( ( M  - 
1 )  /  2
)  x.  ( ( N  -  1 )  /  2 ) ) )  x.  0 )  =  0 )
6854, 3, 5syl2anr 290 . . . . . . . 8  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  ( N  /L
M )  e.  ZZ )
69 0zd 9491 . . . . . . . 8  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  0  e.  ZZ )
70 zdceq 9555 . . . . . . . 8  |-  ( ( ( N  /L
M )  e.  ZZ  /\  0  e.  ZZ )  -> DECID 
( N  /L
M )  =  0 )
7168, 69, 70syl2anc 411 . . . . . . 7  |-  ( ( M  e.  NN  /\  N  e.  NN )  -> DECID  ( N  /L M )  =  0 )
72 lgsne0 15770 . . . . . . . . . . 11  |-  ( ( N  e.  ZZ  /\  M  e.  ZZ )  ->  ( ( N  /L M )  =/=  0  <->  ( N  gcd  M )  =  1 ) )
73 gcdcom 12546 . . . . . . . . . . . 12  |-  ( ( N  e.  ZZ  /\  M  e.  ZZ )  ->  ( N  gcd  M
)  =  ( M  gcd  N ) )
7473eqeq1d 2240 . . . . . . . . . . 11  |-  ( ( N  e.  ZZ  /\  M  e.  ZZ )  ->  ( ( N  gcd  M )  =  1  <->  ( M  gcd  N )  =  1 ) )
7572, 74bitrd 188 . . . . . . . . . 10  |-  ( ( N  e.  ZZ  /\  M  e.  ZZ )  ->  ( ( N  /L M )  =/=  0  <->  ( M  gcd  N )  =  1 ) )
7654, 3, 75syl2anr 290 . . . . . . . . 9  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  ( ( N  /L M )  =/=  0  <->  ( M  gcd  N )  =  1 ) )
7776a1d 22 . . . . . . . 8  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  (DECID  ( N  /L
M )  =  0  ->  ( ( N  /L M )  =/=  0  <->  ( M  gcd  N )  =  1 ) ) )
7877necon1bbiddc 2465 . . . . . . 7  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  (DECID  ( N  /L
M )  =  0  ->  ( -.  ( M  gcd  N )  =  1  <->  ( N  /L M )  =  0 ) ) )
7971, 78mpd 13 . . . . . 6  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  ( -.  ( M  gcd  N )  =  1  <->  ( N  /L M )  =  0 ) )
8079ad2ant2r 509 . . . . 5  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
( -.  ( M  gcd  N )  =  1  <->  ( N  /L M )  =  0 ) )
8180biimpa 296 . . . 4  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  ( N  /L M )  =  0 )
8281oveq2d 6034 . . 3  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  (
( -u 1 ^ (
( ( M  - 
1 )  /  2
)  x.  ( ( N  -  1 )  /  2 ) ) )  x.  ( N  /L M ) )  =  ( (
-u 1 ^ (
( ( M  - 
1 )  /  2
)  x.  ( ( N  -  1 )  /  2 ) ) )  x.  0 ) )
83 0zd 9491 . . . . . . . 8  |-  ( ( M  e.  ZZ  /\  N  e.  ZZ )  ->  0  e.  ZZ )
84 zdceq 9555 . . . . . . . 8  |-  ( ( ( M  /L
N )  e.  ZZ  /\  0  e.  ZZ )  -> DECID 
( M  /L
N )  =  0 )
8523, 83, 84syl2anc 411 . . . . . . 7  |-  ( ( M  e.  ZZ  /\  N  e.  ZZ )  -> DECID  ( M  /L N )  =  0 )
86 lgsne0 15770 . . . . . . . . 9  |-  ( ( M  e.  ZZ  /\  N  e.  ZZ )  ->  ( ( M  /L N )  =/=  0  <->  ( M  gcd  N )  =  1 ) )
8786a1d 22 . . . . . . . 8  |-  ( ( M  e.  ZZ  /\  N  e.  ZZ )  ->  (DECID  ( M  /L
N )  =  0  ->  ( ( M  /L N )  =/=  0  <->  ( M  gcd  N )  =  1 ) ) )
8887necon1bbiddc 2465 . . . . . . 7  |-  ( ( M  e.  ZZ  /\  N  e.  ZZ )  ->  (DECID  ( M  /L
N )  =  0  ->  ( -.  ( M  gcd  N )  =  1  <->  ( M  /L N )  =  0 ) ) )
8985, 88mpd 13 . . . . . 6  |-  ( ( M  e.  ZZ  /\  N  e.  ZZ )  ->  ( -.  ( M  gcd  N )  =  1  <->  ( M  /L N )  =  0 ) )
903, 54, 89syl2an 289 . . . . 5  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  ( -.  ( M  gcd  N )  =  1  <->  ( M  /L N )  =  0 ) )
9190ad2ant2r 509 . . . 4  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
( -.  ( M  gcd  N )  =  1  <->  ( M  /L N )  =  0 ) )
9291biimpa 296 . . 3  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  ( M  /L N )  =  0 )
9367, 82, 923eqtr4rd 2275 . 2  |-  ( ( ( ( M  e.  NN  /\  -.  2  ||  M )  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  /\  -.  ( M  gcd  N )  =  1 )  ->  ( M  /L N )  =  ( ( -u
1 ^ ( ( ( M  -  1 )  /  2 )  x.  ( ( N  -  1 )  / 
2 ) ) )  x.  ( N  /L M ) ) )
94 gcdnncl 12540 . . . . . 6  |-  ( ( M  e.  NN  /\  N  e.  NN )  ->  ( M  gcd  N
)  e.  NN )
9594ad2ant2r 509 . . . . 5  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
( M  gcd  N
)  e.  NN )
9695nnzd 9601 . . . 4  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
( M  gcd  N
)  e.  ZZ )
97 1zzd 9506 . . . 4  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
1  e.  ZZ )
98 zdceq 9555 . . . 4  |-  ( ( ( M  gcd  N
)  e.  ZZ  /\  1  e.  ZZ )  -> DECID  ( M  gcd  N )  =  1 )
9996, 97, 98syl2anc 411 . . 3  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> DECID  ( M  gcd  N )  =  1 )
100 exmiddc 843 . . 3  |-  (DECID  ( M  gcd  N )  =  1  ->  ( ( M  gcd  N )  =  1  \/  -.  ( M  gcd  N )  =  1 ) )
10199, 100syl 14 . 2  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
( ( M  gcd  N )  =  1  \/ 
-.  ( M  gcd  N )  =  1 ) )
10234, 93, 101mpjaodan 805 1  |-  ( ( ( M  e.  NN  /\ 
-.  2  ||  M
)  /\  ( N  e.  NN  /\  -.  2  ||  N ) )  -> 
( M  /L
N )  =  ( ( -u 1 ^ ( ( ( M  -  1 )  / 
2 )  x.  (
( N  -  1 )  /  2 ) ) )  x.  ( N  /L M ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 104    <-> wb 105    \/ wo 715  DECID wdc 841    = wceq 1397    e. wcel 2202    =/= wne 2402   class class class wbr 4088   ` cfv 5326  (class class class)co 6018   CCcc 8030   RRcr 8031   0cc0 8032   1c1 8033    x. cmul 8037    - cmin 8350   -ucneg 8351   # cap 8761    / cdiv 8852   NNcn 9143   2c2 9194   ZZcz 9479   ^cexp 10801   abscabs 11559    || cdvds 12350    gcd cgcd 12526   Primecprime 12681    /Lclgs 15729
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-iinf 4686  ax-cnex 8123  ax-resscn 8124  ax-1cn 8125  ax-1re 8126  ax-icn 8127  ax-addcl 8128  ax-addrcl 8129  ax-mulcl 8130  ax-mulrcl 8131  ax-addcom 8132  ax-mulcom 8133  ax-addass 8134  ax-mulass 8135  ax-distr 8136  ax-i2m1 8137  ax-0lt1 8138  ax-1rid 8139  ax-0id 8140  ax-rnegex 8141  ax-precex 8142  ax-cnre 8143  ax-pre-ltirr 8144  ax-pre-ltwlin 8145  ax-pre-lttrn 8146  ax-pre-apti 8147  ax-pre-ltadd 8148  ax-pre-mulgt0 8149  ax-pre-mulext 8150  ax-arch 8151  ax-caucvg 8152  ax-addf 8154  ax-mulf 8155
This theorem depends on definitions:  df-bi 117  df-stab 838  df-dc 842  df-3or 1005  df-3an 1006  df-tru 1400  df-fal 1403  df-xor 1420  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-reu 2517  df-rmo 2518  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-tp 3677  df-op 3678  df-uni 3894  df-int 3929  df-iun 3972  df-disj 4065  df-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-id 4390  df-po 4393  df-iso 4394  df-iord 4463  df-on 4465  df-ilim 4466  df-suc 4468  df-iom 4689  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-isom 5335  df-riota 5971  df-ov 6021  df-oprab 6022  df-mpo 6023  df-of 6235  df-1st 6303  df-2nd 6304  df-tpos 6411  df-recs 6471  df-irdg 6536  df-frec 6557  df-1o 6582  df-2o 6583  df-oadd 6586  df-er 6702  df-ec 6704  df-qs 6708  df-map 6819  df-en 6910  df-dom 6911  df-fin 6912  df-sup 7183  df-inf 7184  df-pnf 8216  df-mnf 8217  df-xr 8218  df-ltxr 8219  df-le 8220  df-sub 8352  df-neg 8353  df-reap 8755  df-ap 8762  df-div 8853  df-inn 9144  df-2 9202  df-3 9203  df-4 9204  df-5 9205  df-6 9206  df-7 9207  df-8 9208  df-9 9209  df-n0 9403  df-z 9480  df-dec 9612  df-uz 9756  df-q 9854  df-rp 9889  df-fz 10244  df-fzo 10378  df-fl 10531  df-mod 10586  df-seqfrec 10711  df-exp 10802  df-ihash 11039  df-cj 11404  df-re 11405  df-im 11406  df-rsqrt 11560  df-abs 11561  df-clim 11841  df-sumdc 11916  df-proddc 12114  df-dvds 12351  df-gcd 12527  df-prm 12682  df-phi 12785  df-pc 12860  df-struct 13086  df-ndx 13087  df-slot 13088  df-base 13090  df-sets 13091  df-iress 13092  df-plusg 13175  df-mulr 13176  df-starv 13177  df-sca 13178  df-vsca 13179  df-ip 13180  df-tset 13181  df-ple 13182  df-ds 13184  df-unif 13185  df-0g 13343  df-igsum 13344  df-topgen 13345  df-iimas 13387  df-qus 13388  df-mgm 13441  df-sgrp 13487  df-mnd 13502  df-mhm 13544  df-submnd 13545  df-grp 13588  df-minusg 13589  df-sbg 13590  df-mulg 13709  df-subg 13759  df-nsg 13760  df-eqg 13761  df-ghm 13830  df-cmn 13875  df-abl 13876  df-mgp 13937  df-rng 13949  df-ur 13976  df-srg 13980  df-ring 14014  df-cring 14015  df-oppr 14084  df-dvdsr 14105  df-unit 14106  df-invr 14138  df-dvr 14149  df-rhm 14169  df-nzr 14197  df-subrg 14236  df-domn 14276  df-idom 14277  df-lmod 14306  df-lssm 14370  df-lsp 14404  df-sra 14452  df-rgmod 14453  df-lidl 14486  df-rsp 14487  df-2idl 14517  df-bl 14563  df-mopn 14564  df-fg 14566  df-metu 14567  df-cnfld 14574  df-zring 14608  df-zrh 14631  df-zn 14633  df-lgs 15730
This theorem is referenced by: (None)
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