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Theorem modaddmodup 10749
Description: The sum of an integer modulo a positive integer and another integer minus the positive integer equals the sum of the two integers modulo the positive integer if the other integer is in the upper part of the range between 0 and the positive integer. (Contributed by AV, 30-Oct-2018.)
Assertion
Ref Expression
modaddmodup  |-  ( ( A  e.  ZZ  /\  M  e.  NN )  ->  ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  ->  (
( B  +  ( A  mod  M ) )  -  M )  =  ( ( B  +  A )  mod 
M ) ) )

Proof of Theorem modaddmodup
StepHypRef Expression
1 elfzoelz 10481 . . . . . . 7  |-  ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  ->  B  e.  ZZ )
21adantr 276 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  B  e.  ZZ )
3 zmodcl 10706 . . . . . . . 8  |-  ( ( A  e.  ZZ  /\  M  e.  NN )  ->  ( A  mod  M
)  e.  NN0 )
43adantl 277 . . . . . . 7  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( A  mod  M
)  e.  NN0 )
54nn0zd 9698 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( A  mod  M
)  e.  ZZ )
62, 5zaddcld 9704 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( B  +  ( A  mod  M ) )  e.  ZZ )
7 zq 9958 . . . . 5  |-  ( ( B  +  ( A  mod  M ) )  e.  ZZ  ->  ( B  +  ( A  mod  M ) )  e.  QQ )
86, 7syl 14 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( B  +  ( A  mod  M ) )  e.  QQ )
9 simprr 533 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  e.  NN )
10 nnq 9965 . . . . 5  |-  ( M  e.  NN  ->  M  e.  QQ )
119, 10syl 14 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  e.  QQ )
129nngt0d 9281 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
0  <  M )
13 elfzole1 10490 . . . . . 6  |-  ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  ->  ( M  -  ( A  mod  M ) )  <_  B )
1413adantr 276 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( M  -  ( A  mod  M ) )  <_  B )
159nnred 9250 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  e.  RR )
163nn0red 9554 . . . . . . 7  |-  ( ( A  e.  ZZ  /\  M  e.  NN )  ->  ( A  mod  M
)  e.  RR )
1716adantl 277 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( A  mod  M
)  e.  RR )
181zred 9700 . . . . . . 7  |-  ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  ->  B  e.  RR )
1918adantr 276 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  B  e.  RR )
2015, 17, 19lesubaddd 8816 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( ( M  -  ( A  mod  M ) )  <_  B  <->  M  <_  ( B  +  ( A  mod  M ) ) ) )
2114, 20mpbid 147 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  <_  ( B  +  ( A  mod  M ) ) )
22 elfzolt2 10491 . . . . . . 7  |-  ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  ->  B  <  M
)
2322adantr 276 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  B  <  M )
24 zq 9958 . . . . . . . 8  |-  ( A  e.  ZZ  ->  A  e.  QQ )
2524ad2antrl 490 . . . . . . 7  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  A  e.  QQ )
26 modqlt 10695 . . . . . . 7  |-  ( ( A  e.  QQ  /\  M  e.  QQ  /\  0  <  M )  ->  ( A  mod  M )  < 
M )
2725, 11, 12, 26syl3anc 1274 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( A  mod  M
)  <  M )
2819, 17, 15, 15, 23, 27lt2addd 8841 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( B  +  ( A  mod  M ) )  <  ( M  +  M ) )
299nncnd 9251 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  e.  CC )
30292timesd 9481 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( 2  x.  M
)  =  ( M  +  M ) )
3128, 30breqtrrd 4137 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( B  +  ( A  mod  M ) )  <  ( 2  x.  M ) )
32 q2submod 10747 . . . 4  |-  ( ( ( ( B  +  ( A  mod  M ) )  e.  QQ  /\  M  e.  QQ  /\  0  <  M )  /\  ( M  <_  ( B  +  ( A  mod  M ) )  /\  ( B  +  ( A  mod  M ) )  <  (
2  x.  M ) ) )  ->  (
( B  +  ( A  mod  M ) )  mod  M )  =  ( ( B  +  ( A  mod  M ) )  -  M
) )
338, 11, 12, 21, 31, 32syl32anc 1282 . . 3  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( ( B  +  ( A  mod  M ) )  mod  M )  =  ( ( B  +  ( A  mod  M ) )  -  M
) )
34 zq 9958 . . . . 5  |-  ( B  e.  ZZ  ->  B  e.  QQ )
352, 34syl 14 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  B  e.  QQ )
36 modqadd2mod 10736 . . . 4  |-  ( ( ( A  e.  QQ  /\  B  e.  QQ )  /\  ( M  e.  QQ  /\  0  < 
M ) )  -> 
( ( B  +  ( A  mod  M ) )  mod  M )  =  ( ( B  +  A )  mod 
M ) )
3725, 35, 11, 12, 36syl22anc 1275 . . 3  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( ( B  +  ( A  mod  M ) )  mod  M )  =  ( ( B  +  A )  mod 
M ) )
3833, 37eqtr3d 2267 . 2  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( ( B  +  ( A  mod  M ) )  -  M )  =  ( ( B  +  A )  mod 
M ) )
3938expcom 116 1  |-  ( ( A  e.  ZZ  /\  M  e.  NN )  ->  ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  ->  (
( B  +  ( A  mod  M ) )  -  M )  =  ( ( B  +  A )  mod 
M ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1398    e. wcel 2203   class class class wbr 4109  (class class class)co 6050   RRcr 8126   0cc0 8127    + caddc 8130    x. cmul 8132    < clt 8308    <_ cle 8309    - cmin 8444   NNcn 9237   2c2 9288   NN0cn0 9496   ZZcz 9577   QQcq 9951  ..^cfzo 10476    mod cmo 10684
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-sep 4228  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-setind 4659  ax-cnex 8218  ax-resscn 8219  ax-1cn 8220  ax-1re 8221  ax-icn 8222  ax-addcl 8223  ax-addrcl 8224  ax-mulcl 8225  ax-mulrcl 8226  ax-addcom 8227  ax-mulcom 8228  ax-addass 8229  ax-mulass 8230  ax-distr 8231  ax-i2m1 8232  ax-0lt1 8233  ax-1rid 8234  ax-0id 8235  ax-rnegex 8236  ax-precex 8237  ax-cnre 8238  ax-pre-ltirr 8239  ax-pre-ltwlin 8240  ax-pre-lttrn 8241  ax-pre-apti 8242  ax-pre-ltadd 8243  ax-pre-mulgt0 8244  ax-pre-mulext 8245  ax-arch 8246
This theorem depends on definitions:  df-bi 117  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rmo 2528  df-rab 2529  df-v 2815  df-sbc 3043  df-csb 3139  df-dif 3213  df-un 3215  df-in 3217  df-ss 3224  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-iun 3993  df-br 4110  df-opab 4172  df-mpt 4173  df-id 4414  df-po 4417  df-iso 4418  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-ima 4762  df-iota 5312  df-fun 5354  df-fn 5355  df-f 5356  df-fv 5360  df-riota 6003  df-ov 6053  df-oprab 6054  df-mpo 6055  df-1st 6334  df-2nd 6335  df-pnf 8310  df-mnf 8311  df-xr 8312  df-ltxr 8313  df-le 8314  df-sub 8446  df-neg 8447  df-reap 8849  df-ap 8856  df-div 8947  df-inn 9238  df-2 9296  df-n0 9497  df-z 9578  df-uz 9854  df-q 9952  df-rp 9987  df-fz 10343  df-fzo 10477  df-fl 10630  df-mod 10685
This theorem is referenced by: (None)
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