ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  perfect1 Unicode version

Theorem perfect1 15318
Description: Euclid's contribution to the Euclid-Euler theorem. A number of the form  2 ^ (
p  -  1 )  x.  ( 2 ^ p  -  1 ) is a perfect number. (Contributed by Mario Carneiro, 17-May-2016.)
Assertion
Ref Expression
perfect1  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 1  sigma  ( ( 2 ^ ( P  -  1 ) )  x.  ( ( 2 ^ P )  - 
1 ) ) )  =  ( ( 2 ^ P )  x.  ( ( 2 ^ P )  -  1 ) ) )

Proof of Theorem perfect1
StepHypRef Expression
1 mersenne 15317 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  P  e.  Prime )
2 prmnn 12303 . . . . 5  |-  ( P  e.  Prime  ->  P  e.  NN )
31, 2syl 14 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  P  e.  NN )
4 1sgm2ppw 15315 . . . 4  |-  ( P  e.  NN  ->  (
1  sigma  ( 2 ^ ( P  -  1 ) ) )  =  ( ( 2 ^ P )  -  1 ) )
53, 4syl 14 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 1  sigma  ( 2 ^ ( P  - 
1 ) ) )  =  ( ( 2 ^ P )  - 
1 ) )
6 1sgmprm 15314 . . . . 5  |-  ( ( ( 2 ^ P
)  -  1 )  e.  Prime  ->  ( 1 
sigma  ( ( 2 ^ P )  -  1 ) )  =  ( ( ( 2 ^ P )  -  1 )  +  1 ) )
76adantl 277 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 1  sigma  ( ( 2 ^ P )  -  1 ) )  =  ( ( ( 2 ^ P )  -  1 )  +  1 ) )
8 2nn 9169 . . . . . . 7  |-  2  e.  NN
93nnnn0d 9319 . . . . . . 7  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  P  e.  NN0 )
10 nnexpcl 10661 . . . . . . 7  |-  ( ( 2  e.  NN  /\  P  e.  NN0 )  -> 
( 2 ^ P
)  e.  NN )
118, 9, 10sylancr 414 . . . . . 6  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ P
)  e.  NN )
1211nncnd 9021 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ P
)  e.  CC )
13 ax-1cn 7989 . . . . 5  |-  1  e.  CC
14 npcan 8252 . . . . 5  |-  ( ( ( 2 ^ P
)  e.  CC  /\  1  e.  CC )  ->  ( ( ( 2 ^ P )  - 
1 )  +  1 )  =  ( 2 ^ P ) )
1512, 13, 14sylancl 413 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( ( 2 ^ P )  - 
1 )  +  1 )  =  ( 2 ^ P ) )
167, 15eqtrd 2229 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 1  sigma  ( ( 2 ^ P )  -  1 ) )  =  ( 2 ^ P ) )
175, 16oveq12d 5943 . 2  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 1  sigma 
( 2 ^ ( P  -  1 ) ) )  x.  (
1  sigma  ( ( 2 ^ P )  - 
1 ) ) )  =  ( ( ( 2 ^ P )  -  1 )  x.  ( 2 ^ P
) ) )
1813a1i 9 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  1  e.  CC )
19 nnm1nn0 9307 . . . . 5  |-  ( P  e.  NN  ->  ( P  -  1 )  e.  NN0 )
203, 19syl 14 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( P  -  1 )  e.  NN0 )
21 nnexpcl 10661 . . . 4  |-  ( ( 2  e.  NN  /\  ( P  -  1
)  e.  NN0 )  ->  ( 2 ^ ( P  -  1 ) )  e.  NN )
228, 20, 21sylancr 414 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ ( P  -  1 ) )  e.  NN )
23 prmnn 12303 . . . 4  |-  ( ( ( 2 ^ P
)  -  1 )  e.  Prime  ->  ( ( 2 ^ P )  -  1 )  e.  NN )
2423adantl 277 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  -  1 )  e.  NN )
2522nnzd 9464 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ ( P  -  1 ) )  e.  ZZ )
26 prmz 12304 . . . . . 6  |-  ( ( ( 2 ^ P
)  -  1 )  e.  Prime  ->  ( ( 2 ^ P )  -  1 )  e.  ZZ )
2726adantl 277 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  -  1 )  e.  ZZ )
2825, 27gcdcomd 12166 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ ( P  -  1 ) )  gcd  (
( 2 ^ P
)  -  1 ) )  =  ( ( ( 2 ^ P
)  -  1 )  gcd  ( 2 ^ ( P  -  1 ) ) ) )
29 iddvds 11986 . . . . . . . 8  |-  ( ( ( 2 ^ P
)  -  1 )  e.  ZZ  ->  (
( 2 ^ P
)  -  1 ) 
||  ( ( 2 ^ P )  - 
1 ) )
3027, 29syl 14 . . . . . . 7  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  -  1 )  ||  ( ( 2 ^ P )  -  1 ) )
31 prmuz2 12324 . . . . . . . . . 10  |-  ( ( ( 2 ^ P
)  -  1 )  e.  Prime  ->  ( ( 2 ^ P )  -  1 )  e.  ( ZZ>= `  2 )
)
3231adantl 277 . . . . . . . . 9  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  -  1 )  e.  ( ZZ>= ` 
2 ) )
33 eluz2gt1 9693 . . . . . . . . 9  |-  ( ( ( 2 ^ P
)  -  1 )  e.  ( ZZ>= `  2
)  ->  1  <  ( ( 2 ^ P
)  -  1 ) )
3432, 33syl 14 . . . . . . . 8  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  1  <  ( ( 2 ^ P )  -  1 ) )
35 ndvdsp1 12114 . . . . . . . 8  |-  ( ( ( ( 2 ^ P )  -  1 )  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  NN  /\  1  <  ( ( 2 ^ P )  - 
1 ) )  -> 
( ( ( 2 ^ P )  - 
1 )  ||  (
( 2 ^ P
)  -  1 )  ->  -.  ( (
2 ^ P )  -  1 )  ||  ( ( ( 2 ^ P )  - 
1 )  +  1 ) ) )
3627, 24, 34, 35syl3anc 1249 . . . . . . 7  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( ( 2 ^ P )  - 
1 )  ||  (
( 2 ^ P
)  -  1 )  ->  -.  ( (
2 ^ P )  -  1 )  ||  ( ( ( 2 ^ P )  - 
1 )  +  1 ) ) )
3730, 36mpd 13 . . . . . 6  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  -.  ( ( 2 ^ P )  - 
1 )  ||  (
( ( 2 ^ P )  -  1 )  +  1 ) )
38 2z 9371 . . . . . . . . 9  |-  2  e.  ZZ
3938a1i 9 . . . . . . . 8  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  2  e.  ZZ )
40 dvdsmultr1 12013 . . . . . . . 8  |-  ( ( ( ( 2 ^ P )  -  1 )  e.  ZZ  /\  ( 2 ^ ( P  -  1 ) )  e.  ZZ  /\  2  e.  ZZ )  ->  ( ( ( 2 ^ P )  - 
1 )  ||  (
2 ^ ( P  -  1 ) )  ->  ( ( 2 ^ P )  - 
1 )  ||  (
( 2 ^ ( P  -  1 ) )  x.  2 ) ) )
4127, 25, 39, 40syl3anc 1249 . . . . . . 7  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( ( 2 ^ P )  - 
1 )  ||  (
2 ^ ( P  -  1 ) )  ->  ( ( 2 ^ P )  - 
1 )  ||  (
( 2 ^ ( P  -  1 ) )  x.  2 ) ) )
42 2cn 9078 . . . . . . . . . 10  |-  2  e.  CC
43 expm1t 10676 . . . . . . . . . 10  |-  ( ( 2  e.  CC  /\  P  e.  NN )  ->  ( 2 ^ P
)  =  ( ( 2 ^ ( P  -  1 ) )  x.  2 ) )
4442, 3, 43sylancr 414 . . . . . . . . 9  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ P
)  =  ( ( 2 ^ ( P  -  1 ) )  x.  2 ) )
4515, 44eqtr2d 2230 . . . . . . . 8  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ ( P  -  1 ) )  x.  2 )  =  ( ( ( 2 ^ P
)  -  1 )  +  1 ) )
4645breq2d 4046 . . . . . . 7  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( ( 2 ^ P )  - 
1 )  ||  (
( 2 ^ ( P  -  1 ) )  x.  2 )  <-> 
( ( 2 ^ P )  -  1 )  ||  ( ( ( 2 ^ P
)  -  1 )  +  1 ) ) )
4741, 46sylibd 149 . . . . . 6  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( ( 2 ^ P )  - 
1 )  ||  (
2 ^ ( P  -  1 ) )  ->  ( ( 2 ^ P )  - 
1 )  ||  (
( ( 2 ^ P )  -  1 )  +  1 ) ) )
4837, 47mtod 664 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  -.  ( ( 2 ^ P )  - 
1 )  ||  (
2 ^ ( P  -  1 ) ) )
49 simpr 110 . . . . . 6  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  -  1 )  e.  Prime )
50 coprm 12337 . . . . . 6  |-  ( ( ( ( 2 ^ P )  -  1 )  e.  Prime  /\  (
2 ^ ( P  -  1 ) )  e.  ZZ )  -> 
( -.  ( ( 2 ^ P )  -  1 )  ||  ( 2 ^ ( P  -  1 ) )  <->  ( ( ( 2 ^ P )  -  1 )  gcd  ( 2 ^ ( P  -  1 ) ) )  =  1 ) )
5149, 25, 50syl2anc 411 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( -.  ( ( 2 ^ P )  -  1 )  ||  ( 2 ^ ( P  -  1 ) )  <->  ( ( ( 2 ^ P )  -  1 )  gcd  ( 2 ^ ( P  -  1 ) ) )  =  1 ) )
5248, 51mpbid 147 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( ( 2 ^ P )  - 
1 )  gcd  (
2 ^ ( P  -  1 ) ) )  =  1 )
5328, 52eqtrd 2229 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ ( P  -  1 ) )  gcd  (
( 2 ^ P
)  -  1 ) )  =  1 )
54 sgmmul 15316 . . 3  |-  ( ( 1  e.  CC  /\  ( ( 2 ^ ( P  -  1 ) )  e.  NN  /\  ( ( 2 ^ P )  -  1 )  e.  NN  /\  ( ( 2 ^ ( P  -  1 ) )  gcd  (
( 2 ^ P
)  -  1 ) )  =  1 ) )  ->  ( 1 
sigma  ( ( 2 ^ ( P  -  1 ) )  x.  (
( 2 ^ P
)  -  1 ) ) )  =  ( ( 1  sigma  ( 2 ^ ( P  - 
1 ) ) )  x.  ( 1  sigma 
( ( 2 ^ P )  -  1 ) ) ) )
5518, 22, 24, 53, 54syl13anc 1251 . 2  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 1  sigma  ( ( 2 ^ ( P  -  1 ) )  x.  ( ( 2 ^ P )  - 
1 ) ) )  =  ( ( 1 
sigma  ( 2 ^ ( P  -  1 ) ) )  x.  (
1  sigma  ( ( 2 ^ P )  - 
1 ) ) ) )
56 subcl 8242 . . . 4  |-  ( ( ( 2 ^ P
)  e.  CC  /\  1  e.  CC )  ->  ( ( 2 ^ P )  -  1 )  e.  CC )
5712, 13, 56sylancl 413 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  -  1 )  e.  CC )
5812, 57mulcomd 8065 . 2  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  x.  (
( 2 ^ P
)  -  1 ) )  =  ( ( ( 2 ^ P
)  -  1 )  x.  ( 2 ^ P ) ) )
5917, 55, 583eqtr4d 2239 1  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 1  sigma  ( ( 2 ^ ( P  -  1 ) )  x.  ( ( 2 ^ P )  - 
1 ) ) )  =  ( ( 2 ^ P )  x.  ( ( 2 ^ P )  -  1 ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1364    e. wcel 2167   class class class wbr 4034   ` cfv 5259  (class class class)co 5925   CCcc 7894   1c1 7897    + caddc 7899    x. cmul 7901    < clt 8078    - cmin 8214   NNcn 9007   2c2 9058   NN0cn0 9266   ZZcz 9343   ZZ>=cuz 9618   ^cexp 10647    || cdvds 11969    gcd cgcd 12145   Primecprime 12300    sigma csgm 15301
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 615  ax-in2 616  ax-io 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-13 2169  ax-14 2170  ax-ext 2178  ax-coll 4149  ax-sep 4152  ax-nul 4160  ax-pow 4208  ax-pr 4243  ax-un 4469  ax-setind 4574  ax-iinf 4625  ax-cnex 7987  ax-resscn 7988  ax-1cn 7989  ax-1re 7990  ax-icn 7991  ax-addcl 7992  ax-addrcl 7993  ax-mulcl 7994  ax-mulrcl 7995  ax-addcom 7996  ax-mulcom 7997  ax-addass 7998  ax-mulass 7999  ax-distr 8000  ax-i2m1 8001  ax-0lt1 8002  ax-1rid 8003  ax-0id 8004  ax-rnegex 8005  ax-precex 8006  ax-cnre 8007  ax-pre-ltirr 8008  ax-pre-ltwlin 8009  ax-pre-lttrn 8010  ax-pre-apti 8011  ax-pre-ltadd 8012  ax-pre-mulgt0 8013  ax-pre-mulext 8014  ax-arch 8015  ax-caucvg 8016  ax-pre-suploc 8017  ax-addf 8018  ax-mulf 8019
This theorem depends on definitions:  df-bi 117  df-stab 832  df-dc 836  df-3or 981  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1475  df-sb 1777  df-eu 2048  df-mo 2049  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-ne 2368  df-nel 2463  df-ral 2480  df-rex 2481  df-reu 2482  df-rmo 2483  df-rab 2484  df-v 2765  df-sbc 2990  df-csb 3085  df-dif 3159  df-un 3161  df-in 3163  df-ss 3170  df-nul 3452  df-if 3563  df-pw 3608  df-sn 3629  df-pr 3630  df-op 3632  df-uni 3841  df-int 3876  df-iun 3919  df-disj 4012  df-br 4035  df-opab 4096  df-mpt 4097  df-tr 4133  df-id 4329  df-po 4332  df-iso 4333  df-iord 4402  df-on 4404  df-ilim 4405  df-suc 4407  df-iom 4628  df-xp 4670  df-rel 4671  df-cnv 4672  df-co 4673  df-dm 4674  df-rn 4675  df-res 4676  df-ima 4677  df-iota 5220  df-fun 5261  df-fn 5262  df-f 5263  df-f1 5264  df-fo 5265  df-f1o 5266  df-fv 5267  df-isom 5268  df-riota 5880  df-ov 5928  df-oprab 5929  df-mpo 5930  df-of 6139  df-1st 6207  df-2nd 6208  df-recs 6372  df-irdg 6437  df-frec 6458  df-1o 6483  df-2o 6484  df-oadd 6487  df-er 6601  df-map 6718  df-pm 6719  df-en 6809  df-dom 6810  df-fin 6811  df-sup 7059  df-inf 7060  df-pnf 8080  df-mnf 8081  df-xr 8082  df-ltxr 8083  df-le 8084  df-sub 8216  df-neg 8217  df-reap 8619  df-ap 8626  df-div 8717  df-inn 9008  df-2 9066  df-3 9067  df-4 9068  df-n0 9267  df-xnn0 9330  df-z 9344  df-uz 9619  df-q 9711  df-rp 9746  df-xneg 9864  df-xadd 9865  df-ioo 9984  df-ico 9986  df-icc 9987  df-fz 10101  df-fzo 10235  df-fl 10377  df-mod 10432  df-seqfrec 10557  df-exp 10648  df-fac 10835  df-bc 10857  df-ihash 10885  df-shft 10997  df-cj 11024  df-re 11025  df-im 11026  df-rsqrt 11180  df-abs 11181  df-clim 11461  df-sumdc 11536  df-ef 11830  df-e 11831  df-dvds 11970  df-gcd 12146  df-prm 12301  df-pc 12479  df-rest 12943  df-topgen 12962  df-psmet 14175  df-xmet 14176  df-met 14177  df-bl 14178  df-mopn 14179  df-top 14318  df-topon 14331  df-bases 14363  df-ntr 14416  df-cn 14508  df-cnp 14509  df-tx 14573  df-cncf 14891  df-limced 14976  df-dvap 14977  df-relog 15178  df-rpcxp 15179  df-sgm 15302
This theorem is referenced by:  perfect  15321
  Copyright terms: Public domain W3C validator