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Theorem aaliou2 20259
Description: Liouville's approximation theorem for algebraic numbers per se. (Contributed by Stefan O'Rear, 16-Nov-2014.)
Assertion
Ref Expression
aaliou2  |-  ( A  e.  ( AA  i^i  RR )  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q )  \/  ( x  /  (
q ^ k ) )  <  ( abs `  ( A  -  (
p  /  q ) ) ) ) )
Distinct variable group:    A, k, x, p, q

Proof of Theorem aaliou2
Dummy variable  a is distinct from all other variables.
StepHypRef Expression
1 elin 3532 . 2  |-  ( A  e.  ( AA  i^i  RR )  <->  ( A  e.  AA  /\  A  e.  RR ) )
2 elaa 20235 . . . 4  |-  ( A  e.  AA  <->  ( A  e.  CC  /\  E. a  e.  ( (Poly `  ZZ )  \  { 0 p } ) ( a `
 A )  =  0 ) )
3 eldifn 3472 . . . . . . . . . . . 12  |-  ( a  e.  ( (Poly `  ZZ )  \  { 0 p } )  ->  -.  a  e.  { 0 p } )
433ad2ant1 979 . . . . . . . . . . 11  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  -.  a  e.  { 0 p } )
5 simpr 449 . . . . . . . . . . . . . 14  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
a  =  ( CC 
X.  { ( a `
 0 ) } ) )
6 fveq1 5729 . . . . . . . . . . . . . . . . . 18  |-  ( a  =  ( CC  X.  { ( a ` 
0 ) } )  ->  ( a `  A )  =  ( ( CC  X.  {
( a `  0
) } ) `  A ) )
76adantl 454 . . . . . . . . . . . . . . . . 17  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
( a `  A
)  =  ( ( CC  X.  { ( a `  0 ) } ) `  A
) )
8 simpl2 962 . . . . . . . . . . . . . . . . 17  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
( a `  A
)  =  0 )
9 simpl3 963 . . . . . . . . . . . . . . . . . . 19  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  ->  A  e.  RR )
109recnd 9116 . . . . . . . . . . . . . . . . . 18  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  ->  A  e.  CC )
11 fvex 5744 . . . . . . . . . . . . . . . . . . 19  |-  ( a `
 0 )  e. 
_V
1211fvconst2 5949 . . . . . . . . . . . . . . . . . 18  |-  ( A  e.  CC  ->  (
( CC  X.  {
( a `  0
) } ) `  A )  =  ( a `  0 ) )
1310, 12syl 16 . . . . . . . . . . . . . . . . 17  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
( ( CC  X.  { ( a ` 
0 ) } ) `
 A )  =  ( a `  0
) )
147, 8, 133eqtr3rd 2479 . . . . . . . . . . . . . . . 16  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
( a `  0
)  =  0 )
1514sneqd 3829 . . . . . . . . . . . . . . 15  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  ->  { ( a ` 
0 ) }  =  { 0 } )
1615xpeq2d 4904 . . . . . . . . . . . . . 14  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
( CC  X.  {
( a `  0
) } )  =  ( CC  X.  {
0 } ) )
175, 16eqtrd 2470 . . . . . . . . . . . . 13  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
a  =  ( CC 
X.  { 0 } ) )
18 df-0p 19564 . . . . . . . . . . . . 13  |-  0 p  =  ( CC  X.  { 0 } )
1917, 18syl6eqr 2488 . . . . . . . . . . . 12  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
a  =  0 p )
20 elsn 3831 . . . . . . . . . . . 12  |-  ( a  e.  { 0 p }  <->  a  =  0 p )
2119, 20sylibr 205 . . . . . . . . . . 11  |-  ( ( ( a  e.  ( (Poly `  ZZ )  \  { 0 p }
)  /\  ( a `  A )  =  0  /\  A  e.  RR )  /\  a  =  ( CC  X.  { ( a `  0 ) } ) )  -> 
a  e.  { 0 p } )
224, 21mtand 642 . . . . . . . . . 10  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  -.  a  =  ( CC  X.  { ( a `  0 ) } ) )
23 eldifi 3471 . . . . . . . . . . . 12  |-  ( a  e.  ( (Poly `  ZZ )  \  { 0 p } )  -> 
a  e.  (Poly `  ZZ ) )
24233ad2ant1 979 . . . . . . . . . . 11  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  a  e.  (Poly `  ZZ ) )
25 0dgrb 20167 . . . . . . . . . . 11  |-  ( a  e.  (Poly `  ZZ )  ->  ( (deg `  a )  =  0  <-> 
a  =  ( CC 
X.  { ( a `
 0 ) } ) ) )
2624, 25syl 16 . . . . . . . . . 10  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  ( (deg `  a )  =  0  <-> 
a  =  ( CC 
X.  { ( a `
 0 ) } ) ) )
2722, 26mtbird 294 . . . . . . . . 9  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  -.  (deg `  a
)  =  0 )
28 dgrcl 20154 . . . . . . . . . . 11  |-  ( a  e.  (Poly `  ZZ )  ->  (deg `  a
)  e.  NN0 )
2924, 28syl 16 . . . . . . . . . 10  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  (deg `  a
)  e.  NN0 )
30 elnn0 10225 . . . . . . . . . 10  |-  ( (deg
`  a )  e. 
NN0 
<->  ( (deg `  a
)  e.  NN  \/  (deg `  a )  =  0 ) )
3129, 30sylib 190 . . . . . . . . 9  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  ( (deg `  a )  e.  NN  \/  (deg `  a )  =  0 ) )
32 orel2 374 . . . . . . . . 9  |-  ( -.  (deg `  a )  =  0  ->  (
( (deg `  a
)  e.  NN  \/  (deg `  a )  =  0 )  ->  (deg `  a )  e.  NN ) )
3327, 31, 32sylc 59 . . . . . . . 8  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  (deg `  a
)  e.  NN )
34 eqid 2438 . . . . . . . . 9  |-  (deg `  a )  =  (deg
`  a )
35 simp3 960 . . . . . . . . 9  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  A  e.  RR )
36 simp2 959 . . . . . . . . 9  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  ( a `  A )  =  0 )
3734, 24, 33, 35, 36aaliou 20257 . . . . . . . 8  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q )  \/  ( x  /  (
q ^ (deg `  a ) ) )  <  ( abs `  ( A  -  ( p  /  q ) ) ) ) )
38 oveq2 6091 . . . . . . . . . . . . . 14  |-  ( k  =  (deg `  a
)  ->  ( q ^ k )  =  ( q ^ (deg `  a ) ) )
3938oveq2d 6099 . . . . . . . . . . . . 13  |-  ( k  =  (deg `  a
)  ->  ( x  /  ( q ^
k ) )  =  ( x  /  (
q ^ (deg `  a ) ) ) )
4039breq1d 4224 . . . . . . . . . . . 12  |-  ( k  =  (deg `  a
)  ->  ( (
x  /  ( q ^ k ) )  <  ( abs `  ( A  -  ( p  /  q ) ) )  <->  ( x  / 
( q ^ (deg `  a ) ) )  <  ( abs `  ( A  -  ( p  /  q ) ) ) ) )
4140orbi2d 684 . . . . . . . . . . 11  |-  ( k  =  (deg `  a
)  ->  ( ( A  =  ( p  /  q )  \/  ( x  /  (
q ^ k ) )  <  ( abs `  ( A  -  (
p  /  q ) ) ) )  <->  ( A  =  ( p  / 
q )  \/  (
x  /  ( q ^ (deg `  a
) ) )  < 
( abs `  ( A  -  ( p  /  q ) ) ) ) ) )
42412ralbidv 2749 . . . . . . . . . 10  |-  ( k  =  (deg `  a
)  ->  ( A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
k ) )  < 
( abs `  ( A  -  ( p  /  q ) ) ) )  <->  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
(deg `  a )
) )  <  ( abs `  ( A  -  ( p  /  q
) ) ) ) ) )
4342rexbidv 2728 . . . . . . . . 9  |-  ( k  =  (deg `  a
)  ->  ( E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
k ) )  < 
( abs `  ( A  -  ( p  /  q ) ) ) )  <->  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
(deg `  a )
) )  <  ( abs `  ( A  -  ( p  /  q
) ) ) ) ) )
4443rspcev 3054 . . . . . . . 8  |-  ( ( (deg `  a )  e.  NN  /\  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
(deg `  a )
) )  <  ( abs `  ( A  -  ( p  /  q
) ) ) ) )  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q )  \/  ( x  /  (
q ^ k ) )  <  ( abs `  ( A  -  (
p  /  q ) ) ) ) )
4533, 37, 44syl2anc 644 . . . . . . 7  |-  ( ( a  e.  ( (Poly `  ZZ )  \  {
0 p } )  /\  ( a `  A )  =  0  /\  A  e.  RR )  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
k ) )  < 
( abs `  ( A  -  ( p  /  q ) ) ) ) )
46453exp 1153 . . . . . 6  |-  ( a  e.  ( (Poly `  ZZ )  \  { 0 p } )  -> 
( ( a `  A )  =  0  ->  ( A  e.  RR  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q )  \/  ( x  /  (
q ^ k ) )  <  ( abs `  ( A  -  (
p  /  q ) ) ) ) ) ) )
4746rexlimiv 2826 . . . . 5  |-  ( E. a  e.  ( (Poly `  ZZ )  \  {
0 p } ) ( a `  A
)  =  0  -> 
( A  e.  RR  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
k ) )  < 
( abs `  ( A  -  ( p  /  q ) ) ) ) ) )
4847adantl 454 . . . 4  |-  ( ( A  e.  CC  /\  E. a  e.  ( (Poly `  ZZ )  \  {
0 p } ) ( a `  A
)  =  0 )  ->  ( A  e.  RR  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q )  \/  ( x  /  (
q ^ k ) )  <  ( abs `  ( A  -  (
p  /  q ) ) ) ) ) )
492, 48sylbi 189 . . 3  |-  ( A  e.  AA  ->  ( A  e.  RR  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
k ) )  < 
( abs `  ( A  -  ( p  /  q ) ) ) ) ) )
5049imp 420 . 2  |-  ( ( A  e.  AA  /\  A  e.  RR )  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q
)  \/  ( x  /  ( q ^
k ) )  < 
( abs `  ( A  -  ( p  /  q ) ) ) ) )
511, 50sylbi 189 1  |-  ( A  e.  ( AA  i^i  RR )  ->  E. k  e.  NN  E. x  e.  RR+  A. p  e.  ZZ  A. q  e.  NN  ( A  =  ( p  /  q )  \/  ( x  /  (
q ^ k ) )  <  ( abs `  ( A  -  (
p  /  q ) ) ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    <-> wb 178    \/ wo 359    /\ wa 360    /\ w3a 937    = wceq 1653    e. wcel 1726   A.wral 2707   E.wrex 2708    \ cdif 3319    i^i cin 3321   {csn 3816   class class class wbr 4214    X. cxp 4878   ` cfv 5456  (class class class)co 6083   CCcc 8990   RRcr 8991   0cc0 8992    < clt 9122    - cmin 9293    / cdiv 9679   NNcn 10002   NN0cn0 10223   ZZcz 10284   RR+crp 10614   ^cexp 11384   abscabs 12041   0 pc0p 19563  Polycply 20105  degcdgr 20108   AAcaa 20233
This theorem is referenced by:  aaliou2b  20260
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1556  ax-5 1567  ax-17 1627  ax-9 1667  ax-8 1688  ax-13 1728  ax-14 1730  ax-6 1745  ax-7 1750  ax-11 1762  ax-12 1951  ax-ext 2419  ax-rep 4322  ax-sep 4332  ax-nul 4340  ax-pow 4379  ax-pr 4405  ax-un 4703  ax-inf2 7598  ax-cnex 9048  ax-resscn 9049  ax-1cn 9050  ax-icn 9051  ax-addcl 9052  ax-addrcl 9053  ax-mulcl 9054  ax-mulrcl 9055  ax-mulcom 9056  ax-addass 9057  ax-mulass 9058  ax-distr 9059  ax-i2m1 9060  ax-1ne0 9061  ax-1rid 9062  ax-rnegex 9063  ax-rrecex 9064  ax-cnre 9065  ax-pre-lttri 9066  ax-pre-lttrn 9067  ax-pre-ltadd 9068  ax-pre-mulgt0 9069  ax-pre-sup 9070  ax-addf 9071  ax-mulf 9072
This theorem depends on definitions:  df-bi 179  df-or 361  df-an 362  df-3or 938  df-3an 939  df-tru 1329  df-ex 1552  df-nf 1555  df-sb 1660  df-eu 2287  df-mo 2288  df-clab 2425  df-cleq 2431  df-clel 2434  df-nfc 2563  df-ne 2603  df-nel 2604  df-ral 2712  df-rex 2713  df-reu 2714  df-rmo 2715  df-rab 2716  df-v 2960  df-sbc 3164  df-csb 3254  df-dif 3325  df-un 3327  df-in 3329  df-ss 3336  df-pss 3338  df-nul 3631  df-if 3742  df-pw 3803  df-sn 3822  df-pr 3823  df-tp 3824  df-op 3825  df-uni 4018  df-int 4053  df-iun 4097  df-iin 4098  df-br 4215  df-opab 4269  df-mpt 4270  df-tr 4305  df-eprel 4496  df-id 4500  df-po 4505  df-so 4506  df-fr 4543  df-se 4544  df-we 4545  df-ord 4586  df-on 4587  df-lim 4588  df-suc 4589  df-om 4848  df-xp 4886  df-rel 4887  df-cnv 4888  df-co 4889  df-dm 4890  df-rn 4891  df-res 4892  df-ima 4893  df-iota 5420  df-fun 5458  df-fn 5459  df-f 5460  df-f1 5461  df-fo 5462  df-f1o 5463  df-fv 5464  df-isom 5465  df-ov 6086  df-oprab 6087  df-mpt2 6088  df-of 6307  df-1st 6351  df-2nd 6352  df-riota 6551  df-recs 6635  df-rdg 6670  df-1o 6726  df-2o 6727  df-oadd 6730  df-er 6907  df-map 7022  df-pm 7023  df-ixp 7066  df-en 7112  df-dom 7113  df-sdom 7114  df-fin 7115  df-fi 7418  df-sup 7448  df-oi 7481  df-card 7828  df-cda 8050  df-pnf 9124  df-mnf 9125  df-xr 9126  df-ltxr 9127  df-le 9128  df-sub 9295  df-neg 9296  df-div 9680  df-nn 10003  df-2 10060  df-3 10061  df-4 10062  df-5 10063  df-6 10064  df-7 10065  df-8 10066  df-9 10067  df-10 10068  df-n0 10224  df-z 10285  df-dec 10385  df-uz 10491  df-q 10577  df-rp 10615  df-xneg 10712  df-xadd 10713  df-xmul 10714  df-ioo 10922  df-ico 10924  df-icc 10925  df-fz 11046  df-fzo 11138  df-fl 11204  df-seq 11326  df-exp 11385  df-hash 11621  df-cj 11906  df-re 11907  df-im 11908  df-sqr 12042  df-abs 12043  df-clim 12284  df-rlim 12285  df-sum 12482  df-struct 13473  df-ndx 13474  df-slot 13475  df-base 13476  df-sets 13477  df-ress 13478  df-plusg 13544  df-mulr 13545  df-starv 13546  df-sca 13547  df-vsca 13548  df-tset 13550  df-ple 13551  df-ds 13553  df-unif 13554  df-hom 13555  df-cco 13556  df-rest 13652  df-topn 13653  df-topgen 13669  df-pt 13670  df-prds 13673  df-xrs 13728  df-0g 13729  df-gsum 13730  df-qtop 13735  df-imas 13736  df-xps 13738  df-mre 13813  df-mrc 13814  df-acs 13816  df-mnd 14692  df-submnd 14741  df-grp 14814  df-minusg 14815  df-mulg 14817  df-subg 14943  df-cntz 15118  df-cmn 15416  df-mgp 15651  df-rng 15665  df-cring 15666  df-ur 15667  df-subrg 15868  df-psmet 16696  df-xmet 16697  df-met 16698  df-bl 16699  df-mopn 16700  df-fbas 16701  df-fg 16702  df-cnfld 16706  df-top 16965  df-bases 16967  df-topon 16968  df-topsp 16969  df-cld 17085  df-ntr 17086  df-cls 17087  df-nei 17164  df-lp 17202  df-perf 17203  df-cn 17293  df-cnp 17294  df-haus 17381  df-cmp 17452  df-tx 17596  df-hmeo 17789  df-fil 17880  df-fm 17972  df-flim 17973  df-flf 17974  df-xms 18352  df-ms 18353  df-tms 18354  df-cncf 18910  df-0p 19564  df-limc 19755  df-dv 19756  df-dvn 19757  df-cpn 19758  df-ply 20109  df-idp 20110  df-coe 20111  df-dgr 20112  df-quot 20210  df-aa 20234
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