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

Theorem perfect1 16264
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 16263 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  P  e.  Prime )
2 prmnn 12907 . . . . 5  |-  ( P  e.  Prime  ->  P  e.  NN )
31, 2syl 14 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  P  e.  NN )
4 1sgm2ppw 16255 . . . 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 16254 . . . . 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 9471 . . . . . . 7  |-  2  e.  NN
93nnnn0d 9625 . . . . . . 7  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  P  e.  NN0 )
10 nnexpcl 11004 . . . . . . 7  |-  ( ( 2  e.  NN  /\  P  e.  NN0 )  -> 
( 2 ^ P
)  e.  NN )
118, 9, 10sylancr 418 . . . . . 6  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ P
)  e.  NN )
1211nncnd 9321 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ P
)  e.  CC )
13 ax-1cn 8273 . . . . 5  |-  1  e.  CC
14 npcan 8537 . . . . 5  |-  ( ( ( 2 ^ P
)  e.  CC  /\  1  e.  CC )  ->  ( ( ( 2 ^ P )  - 
1 )  +  1 )  =  ( 2 ^ P ) )
1512, 13, 14sylancl 417 . . . 4  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( ( 2 ^ P )  - 
1 )  +  1 )  =  ( 2 ^ P ) )
167, 15eqtrd 2271 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 1  sigma  ( ( 2 ^ P )  -  1 ) )  =  ( 2 ^ P ) )
175, 16oveq12d 6103 . 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 9609 . . . . 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 11004 . . . 4  |-  ( ( 2  e.  NN  /\  ( P  -  1
)  e.  NN0 )  ->  ( 2 ^ ( P  -  1 ) )  e.  NN )
228, 20, 21sylancr 418 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ ( P  -  1 ) )  e.  NN )
23 prmnn 12907 . . . 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 9772 . . . . 5  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ ( P  -  1 ) )  e.  ZZ )
26 prmz 12908 . . . . . 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 12770 . . . 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 12590 . . . . . . . 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 12929 . . . . . . . . . 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 10012 . . . . . . . . 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 12718 . . . . . . . 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 1278 . . . . . . 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 9677 . . . . . . . . 9  |-  2  e.  ZZ
3938a1i 9 . . . . . . . 8  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  2  e.  ZZ )
40 dvdsmultr1 12617 . . . . . . . 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 1278 . . . . . . 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 9378 . . . . . . . . . 10  |-  2  e.  CC
43 expm1t 11019 . . . . . . . . . 10  |-  ( ( 2  e.  CC  /\  P  e.  NN )  ->  ( 2 ^ P
)  =  ( ( 2 ^ ( P  -  1 ) )  x.  2 ) )
4442, 3, 43sylancr 418 . . . . . . . . 9  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( 2 ^ P
)  =  ( ( 2 ^ ( P  -  1 ) )  x.  2 ) )
4515, 44eqtr2d 2272 . . . . . . . 8  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ ( P  -  1 ) )  x.  2 )  =  ( ( ( 2 ^ P
)  -  1 )  +  1 ) )
4645breq2d 4142 . . . . . . 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 673 . . . . 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 12942 . . . . . 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 415 . . . . 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 2271 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ ( P  -  1 ) )  gcd  (
( 2 ^ P
)  -  1 ) )  =  1 )
54 sgmmul 16256 . . 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 1280 . 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 8527 . . . 4  |-  ( ( ( 2 ^ P
)  e.  CC  /\  1  e.  CC )  ->  ( ( 2 ^ P )  -  1 )  e.  CC )
5712, 13, 56sylancl 417 . . 3  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  -  1 )  e.  CC )
5812, 57mulcomd 8348 . 2  |-  ( ( P  e.  ZZ  /\  ( ( 2 ^ P )  -  1 )  e.  Prime )  ->  ( ( 2 ^ P )  x.  (
( 2 ^ P
)  -  1 ) )  =  ( ( ( 2 ^ P
)  -  1 )  x.  ( 2 ^ P ) ) )
5917, 55, 583eqtr4d 2281 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
This proof depends on syntax axioms:   -. wn 3    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1402    e. wcel 2209   class class class wbr 4130   ` cfv 5377  (class class class)co 6085   CCcc 8178   1c1 8181    + caddc 8183    x. cmul 8185    < clt 8361    - cmin 8499   NNcn 9307   2c2 9358   NN0cn0 9568   ZZcz 9649   ZZ>=cuz 9931   ^cexp 10990    || cdvds 12573    gcd cgcd 12749   Primecprime 12904    sigma csgm 16201
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8271  ax-resscn 8272  ax-1cn 8273  ax-1re 8274  ax-icn 8275  ax-addcl 8276  ax-addrcl 8277  ax-mulcl 8278  ax-mulrcl 8279  ax-addcom 8280  ax-mulcom 8281  ax-addass 8282  ax-mulass 8283  ax-distr 8284  ax-i2m1 8285  ax-0lt1 8286  ax-1rid 8287  ax-0id 8288  ax-rnegex 8289  ax-precex 8290  ax-cnre 8291  ax-pre-ltirr 8292  ax-pre-ltwlin 8293  ax-pre-lttrn 8294  ax-pre-apti 8295  ax-pre-ltadd 8296  ax-pre-mulgt0 8297  ax-pre-mulext 8298  ax-arch 8299  ax-caucvg 8300  ax-pre-suploc 8301  ax-addf 8302  ax-mulf 8303
This proof depends on definitions:  df-bi 117  df-stab 843  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-disj 4107  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-po 4441  df-iso 4442  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-isom 5386  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-of 6302  df-1st 6374  df-2nd 6375  df-recs 6576  df-irdg 6641  df-frec 6662  df-1o 6687  df-2o 6688  df-oadd 6691  df-er 6807  df-map 6924  df-pm 6925  df-en 7023  df-dom 7024  df-fin 7025  df-sup 7325  df-inf 7326  df-pnf 8363  df-mnf 8364  df-xr 8365  df-ltxr 8366  df-le 8367  df-sub 8501  df-neg 8502  df-reap 8906  df-ap 8913  df-div 9006  df-inn 9308  df-2 9366  df-3 9367  df-4 9368  df-n0 9569  df-xnn0 9636  df-z 9650  df-uz 9932  df-q 10030  df-rp 10066  df-xneg 10185  df-xadd 10186  df-ioo 10305  df-ico 10307  df-icc 10308  df-fz 10423  df-fzo 10561  df-fl 10716  df-mod 10775  df-seqfrec 10900  df-exp 10991  df-fac 11180  df-bc 11202  df-ihash 11231  df-shft 11596  df-cj 11623  df-re 11624  df-im 11625  df-rsqrt 11780  df-abs 11781  df-clim 12064  df-sumdc 12139  df-ef 12434  df-e 12435  df-dvds 12574  df-gcd 12750  df-prm 12905  df-pc 13087  df-rest 13648  df-topgen 13667  df-psmet 14964  df-xmet 14965  df-met 14966  df-bl 14967  df-mopn 14968  df-top 15190  df-topon 15203  df-bases 15235  df-ntr 15288  df-cn 15380  df-cnp 15381  df-tx 15445  df-cncf 15763  df-limced 15848  df-dvap 15849  df-relog 16053  df-rpcxp 16054  df-sgm 16204
This theorem is used by:  perfect  16267
  Copyright terms: Public domain W3C validator