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Theorem modaddmodup 10639
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 10372 . . . . . . 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 10596 . . . . . . . 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 9590 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( A  mod  M
)  e.  ZZ )
62, 5zaddcld 9596 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( B  +  ( A  mod  M ) )  e.  ZZ )
7 zq 9850 . . . . 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 531 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  e.  NN )
10 nnq 9857 . . . . 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 9177 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
0  <  M )
13 elfzole1 10381 . . . . . 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 9146 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  e.  RR )
163nn0red 9446 . . . . . . 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 9592 . . . . . . 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 8712 . . . . 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 10382 . . . . . . 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 9850 . . . . . . . 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 10585 . . . . . . 7  |-  ( ( A  e.  QQ  /\  M  e.  QQ  /\  0  <  M )  ->  ( A  mod  M )  < 
M )
2725, 11, 12, 26syl3anc 1271 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( A  mod  M
)  <  M )
2819, 17, 15, 15, 23, 27lt2addd 8737 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( B  +  ( A  mod  M ) )  <  ( M  +  M ) )
299nncnd 9147 . . . . . 6  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  ->  M  e.  CC )
30292timesd 9377 . . . . 5  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( 2  x.  M
)  =  ( M  +  M ) )
3128, 30breqtrrd 4114 . . . 4  |-  ( ( B  e.  ( ( M  -  ( A  mod  M ) )..^ M )  /\  ( A  e.  ZZ  /\  M  e.  NN ) )  -> 
( B  +  ( A  mod  M ) )  <  ( 2  x.  M ) )
32 q2submod 10637 . . . 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 1279 . . 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 9850 . . . . 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 10626 . . . 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 1272 . . 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 2264 . 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 1395    e. wcel 2200   class class class wbr 4086  (class class class)co 6013   RRcr 8021   0cc0 8022    + caddc 8025    x. cmul 8027    < clt 8204    <_ cle 8205    - cmin 8340   NNcn 9133   2c2 9184   NN0cn0 9392   ZZcz 9469   QQcq 9843  ..^cfzo 10367    mod cmo 10574
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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4205  ax-pow 4262  ax-pr 4297  ax-un 4528  ax-setind 4633  ax-cnex 8113  ax-resscn 8114  ax-1cn 8115  ax-1re 8116  ax-icn 8117  ax-addcl 8118  ax-addrcl 8119  ax-mulcl 8120  ax-mulrcl 8121  ax-addcom 8122  ax-mulcom 8123  ax-addass 8124  ax-mulass 8125  ax-distr 8126  ax-i2m1 8127  ax-0lt1 8128  ax-1rid 8129  ax-0id 8130  ax-rnegex 8131  ax-precex 8132  ax-cnre 8133  ax-pre-ltirr 8134  ax-pre-ltwlin 8135  ax-pre-lttrn 8136  ax-pre-apti 8137  ax-pre-ltadd 8138  ax-pre-mulgt0 8139  ax-pre-mulext 8140  ax-arch 8141
This theorem depends on definitions:  df-bi 117  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rmo 2516  df-rab 2517  df-v 2802  df-sbc 3030  df-csb 3126  df-dif 3200  df-un 3202  df-in 3204  df-ss 3211  df-pw 3652  df-sn 3673  df-pr 3674  df-op 3676  df-uni 3892  df-int 3927  df-iun 3970  df-br 4087  df-opab 4149  df-mpt 4150  df-id 4388  df-po 4391  df-iso 4392  df-xp 4729  df-rel 4730  df-cnv 4731  df-co 4732  df-dm 4733  df-rn 4734  df-res 4735  df-ima 4736  df-iota 5284  df-fun 5326  df-fn 5327  df-f 5328  df-fv 5332  df-riota 5966  df-ov 6016  df-oprab 6017  df-mpo 6018  df-1st 6298  df-2nd 6299  df-pnf 8206  df-mnf 8207  df-xr 8208  df-ltxr 8209  df-le 8210  df-sub 8342  df-neg 8343  df-reap 8745  df-ap 8752  df-div 8843  df-inn 9134  df-2 9192  df-n0 9393  df-z 9470  df-uz 9746  df-q 9844  df-rp 9879  df-fz 10234  df-fzo 10368  df-fl 10520  df-mod 10575
This theorem is referenced by: (None)
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