MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  monoord2 Structured version   Unicode version

Theorem monoord2 11346
Description: Ordering relation for a monotonic sequence, decreasing case. (Contributed by Mario Carneiro, 18-Jul-2014.)
Hypotheses
Ref Expression
monoord2.1  |-  ( ph  ->  N  e.  ( ZZ>= `  M ) )
monoord2.2  |-  ( (
ph  /\  k  e.  ( M ... N ) )  ->  ( F `  k )  e.  RR )
monoord2.3  |-  ( (
ph  /\  k  e.  ( M ... ( N  -  1 ) ) )  ->  ( F `  ( k  +  1 ) )  <_  ( F `  k )
)
Assertion
Ref Expression
monoord2  |-  ( ph  ->  ( F `  N
)  <_  ( F `  M ) )
Distinct variable groups:    k, F    k, M    k, N    ph, k

Proof of Theorem monoord2
Dummy variable  n is distinct from all other variables.
StepHypRef Expression
1 monoord2.1 . . . 4  |-  ( ph  ->  N  e.  ( ZZ>= `  M ) )
2 monoord2.2 . . . . . . 7  |-  ( (
ph  /\  k  e.  ( M ... N ) )  ->  ( F `  k )  e.  RR )
32renegcld 9456 . . . . . 6  |-  ( (
ph  /\  k  e.  ( M ... N ) )  ->  -u ( F `
 k )  e.  RR )
4 eqid 2435 . . . . . 6  |-  ( k  e.  ( M ... N )  |->  -u ( F `  k )
)  =  ( k  e.  ( M ... N )  |->  -u ( F `  k )
)
53, 4fmptd 5885 . . . . 5  |-  ( ph  ->  ( k  e.  ( M ... N ) 
|->  -u ( F `  k ) ) : ( M ... N
) --> RR )
65ffvelrnda 5862 . . . 4  |-  ( (
ph  /\  n  e.  ( M ... N ) )  ->  ( (
k  e.  ( M ... N )  |->  -u ( F `  k ) ) `  n )  e.  RR )
7 monoord2.3 . . . . . . . . 9  |-  ( (
ph  /\  k  e.  ( M ... ( N  -  1 ) ) )  ->  ( F `  ( k  +  1 ) )  <_  ( F `  k )
)
87ralrimiva 2781 . . . . . . . 8  |-  ( ph  ->  A. k  e.  ( M ... ( N  -  1 ) ) ( F `  (
k  +  1 ) )  <_  ( F `  k ) )
9 oveq1 6080 . . . . . . . . . . 11  |-  ( k  =  n  ->  (
k  +  1 )  =  ( n  + 
1 ) )
109fveq2d 5724 . . . . . . . . . 10  |-  ( k  =  n  ->  ( F `  ( k  +  1 ) )  =  ( F `  ( n  +  1
) ) )
11 fveq2 5720 . . . . . . . . . 10  |-  ( k  =  n  ->  ( F `  k )  =  ( F `  n ) )
1210, 11breq12d 4217 . . . . . . . . 9  |-  ( k  =  n  ->  (
( F `  (
k  +  1 ) )  <_  ( F `  k )  <->  ( F `  ( n  +  1 ) )  <_  ( F `  n )
) )
1312cbvralv 2924 . . . . . . . 8  |-  ( A. k  e.  ( M ... ( N  -  1 ) ) ( F `
 ( k  +  1 ) )  <_ 
( F `  k
)  <->  A. n  e.  ( M ... ( N  -  1 ) ) ( F `  (
n  +  1 ) )  <_  ( F `  n ) )
148, 13sylib 189 . . . . . . 7  |-  ( ph  ->  A. n  e.  ( M ... ( N  -  1 ) ) ( F `  (
n  +  1 ) )  <_  ( F `  n ) )
1514r19.21bi 2796 . . . . . 6  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( F `  ( n  +  1 ) )  <_  ( F `  n )
)
16 fzp1elp1 11092 . . . . . . . . . 10  |-  ( n  e.  ( M ... ( N  -  1
) )  ->  (
n  +  1 )  e.  ( M ... ( ( N  - 
1 )  +  1 ) ) )
1716adantl 453 . . . . . . . . 9  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( n  +  1 )  e.  ( M ... (
( N  -  1 )  +  1 ) ) )
18 eluzelz 10488 . . . . . . . . . . . . . 14  |-  ( N  e.  ( ZZ>= `  M
)  ->  N  e.  ZZ )
191, 18syl 16 . . . . . . . . . . . . 13  |-  ( ph  ->  N  e.  ZZ )
2019zcnd 10368 . . . . . . . . . . . 12  |-  ( ph  ->  N  e.  CC )
21 ax-1cn 9040 . . . . . . . . . . . 12  |-  1  e.  CC
22 npcan 9306 . . . . . . . . . . . 12  |-  ( ( N  e.  CC  /\  1  e.  CC )  ->  ( ( N  - 
1 )  +  1 )  =  N )
2320, 21, 22sylancl 644 . . . . . . . . . . 11  |-  ( ph  ->  ( ( N  - 
1 )  +  1 )  =  N )
2423oveq2d 6089 . . . . . . . . . 10  |-  ( ph  ->  ( M ... (
( N  -  1 )  +  1 ) )  =  ( M ... N ) )
2524adantr 452 . . . . . . . . 9  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( M ... ( ( N  - 
1 )  +  1 ) )  =  ( M ... N ) )
2617, 25eleqtrd 2511 . . . . . . . 8  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( n  +  1 )  e.  ( M ... N
) )
272ralrimiva 2781 . . . . . . . . 9  |-  ( ph  ->  A. k  e.  ( M ... N ) ( F `  k
)  e.  RR )
2827adantr 452 . . . . . . . 8  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  A. k  e.  ( M ... N
) ( F `  k )  e.  RR )
29 fveq2 5720 . . . . . . . . . 10  |-  ( k  =  ( n  + 
1 )  ->  ( F `  k )  =  ( F `  ( n  +  1
) ) )
3029eleq1d 2501 . . . . . . . . 9  |-  ( k  =  ( n  + 
1 )  ->  (
( F `  k
)  e.  RR  <->  ( F `  ( n  +  1 ) )  e.  RR ) )
3130rspcv 3040 . . . . . . . 8  |-  ( ( n  +  1 )  e.  ( M ... N )  ->  ( A. k  e.  ( M ... N ) ( F `  k )  e.  RR  ->  ( F `  ( n  +  1 ) )  e.  RR ) )
3226, 28, 31sylc 58 . . . . . . 7  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( F `  ( n  +  1 ) )  e.  RR )
33 fzssp1 11087 . . . . . . . . . 10  |-  ( M ... ( N  - 
1 ) )  C_  ( M ... ( ( N  -  1 )  +  1 ) )
3433, 24syl5sseq 3388 . . . . . . . . 9  |-  ( ph  ->  ( M ... ( N  -  1 ) )  C_  ( M ... N ) )
3534sselda 3340 . . . . . . . 8  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  n  e.  ( M ... N ) )
3611eleq1d 2501 . . . . . . . . 9  |-  ( k  =  n  ->  (
( F `  k
)  e.  RR  <->  ( F `  n )  e.  RR ) )
3736rspcv 3040 . . . . . . . 8  |-  ( n  e.  ( M ... N )  ->  ( A. k  e.  ( M ... N ) ( F `  k )  e.  RR  ->  ( F `  n )  e.  RR ) )
3835, 28, 37sylc 58 . . . . . . 7  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( F `  n )  e.  RR )
3932, 38lenegd 9597 . . . . . 6  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( ( F `  ( n  +  1 ) )  <_  ( F `  n )  <->  -u ( F `
 n )  <_  -u ( F `  (
n  +  1 ) ) ) )
4015, 39mpbid 202 . . . . 5  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  -u ( F `
 n )  <_  -u ( F `  (
n  +  1 ) ) )
4111negeqd 9292 . . . . . . 7  |-  ( k  =  n  ->  -u ( F `  k )  =  -u ( F `  n ) )
42 negex 9296 . . . . . . 7  |-  -u ( F `  n )  e.  _V
4341, 4, 42fvmpt 5798 . . . . . 6  |-  ( n  e.  ( M ... N )  ->  (
( k  e.  ( M ... N ) 
|->  -u ( F `  k ) ) `  n )  =  -u ( F `  n ) )
4435, 43syl 16 . . . . 5  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( (
k  e.  ( M ... N )  |->  -u ( F `  k ) ) `  n )  =  -u ( F `  n ) )
4529negeqd 9292 . . . . . . 7  |-  ( k  =  ( n  + 
1 )  ->  -u ( F `  k )  =  -u ( F `  ( n  +  1
) ) )
46 negex 9296 . . . . . . 7  |-  -u ( F `  ( n  +  1 ) )  e.  _V
4745, 4, 46fvmpt 5798 . . . . . 6  |-  ( ( n  +  1 )  e.  ( M ... N )  ->  (
( k  e.  ( M ... N ) 
|->  -u ( F `  k ) ) `  ( n  +  1
) )  =  -u ( F `  ( n  +  1 ) ) )
4826, 47syl 16 . . . . 5  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( (
k  e.  ( M ... N )  |->  -u ( F `  k ) ) `  ( n  +  1 ) )  =  -u ( F `  ( n  +  1
) ) )
4940, 44, 483brtr4d 4234 . . . 4  |-  ( (
ph  /\  n  e.  ( M ... ( N  -  1 ) ) )  ->  ( (
k  e.  ( M ... N )  |->  -u ( F `  k ) ) `  n )  <_  ( ( k  e.  ( M ... N )  |->  -u ( F `  k )
) `  ( n  +  1 ) ) )
501, 6, 49monoord 11345 . . 3  |-  ( ph  ->  ( ( k  e.  ( M ... N
)  |->  -u ( F `  k ) ) `  M )  <_  (
( k  e.  ( M ... N ) 
|->  -u ( F `  k ) ) `  N ) )
51 eluzfz1 11056 . . . . 5  |-  ( N  e.  ( ZZ>= `  M
)  ->  M  e.  ( M ... N ) )
521, 51syl 16 . . . 4  |-  ( ph  ->  M  e.  ( M ... N ) )
53 fveq2 5720 . . . . . 6  |-  ( k  =  M  ->  ( F `  k )  =  ( F `  M ) )
5453negeqd 9292 . . . . 5  |-  ( k  =  M  ->  -u ( F `  k )  =  -u ( F `  M ) )
55 negex 9296 . . . . 5  |-  -u ( F `  M )  e.  _V
5654, 4, 55fvmpt 5798 . . . 4  |-  ( M  e.  ( M ... N )  ->  (
( k  e.  ( M ... N ) 
|->  -u ( F `  k ) ) `  M )  =  -u ( F `  M ) )
5752, 56syl 16 . . 3  |-  ( ph  ->  ( ( k  e.  ( M ... N
)  |->  -u ( F `  k ) ) `  M )  =  -u ( F `  M ) )
58 eluzfz2 11057 . . . . 5  |-  ( N  e.  ( ZZ>= `  M
)  ->  N  e.  ( M ... N ) )
591, 58syl 16 . . . 4  |-  ( ph  ->  N  e.  ( M ... N ) )
60 fveq2 5720 . . . . . 6  |-  ( k  =  N  ->  ( F `  k )  =  ( F `  N ) )
6160negeqd 9292 . . . . 5  |-  ( k  =  N  ->  -u ( F `  k )  =  -u ( F `  N ) )
62 negex 9296 . . . . 5  |-  -u ( F `  N )  e.  _V
6361, 4, 62fvmpt 5798 . . . 4  |-  ( N  e.  ( M ... N )  ->  (
( k  e.  ( M ... N ) 
|->  -u ( F `  k ) ) `  N )  =  -u ( F `  N ) )
6459, 63syl 16 . . 3  |-  ( ph  ->  ( ( k  e.  ( M ... N
)  |->  -u ( F `  k ) ) `  N )  =  -u ( F `  N ) )
6550, 57, 643brtr3d 4233 . 2  |-  ( ph  -> 
-u ( F `  M )  <_  -u ( F `  N )
)
6660eleq1d 2501 . . . . 5  |-  ( k  =  N  ->  (
( F `  k
)  e.  RR  <->  ( F `  N )  e.  RR ) )
6766rspcv 3040 . . . 4  |-  ( N  e.  ( M ... N )  ->  ( A. k  e.  ( M ... N ) ( F `  k )  e.  RR  ->  ( F `  N )  e.  RR ) )
6859, 27, 67sylc 58 . . 3  |-  ( ph  ->  ( F `  N
)  e.  RR )
6953eleq1d 2501 . . . . 5  |-  ( k  =  M  ->  (
( F `  k
)  e.  RR  <->  ( F `  M )  e.  RR ) )
7069rspcv 3040 . . . 4  |-  ( M  e.  ( M ... N )  ->  ( A. k  e.  ( M ... N ) ( F `  k )  e.  RR  ->  ( F `  M )  e.  RR ) )
7152, 27, 70sylc 58 . . 3  |-  ( ph  ->  ( F `  M
)  e.  RR )
7268, 71lenegd 9597 . 2  |-  ( ph  ->  ( ( F `  N )  <_  ( F `  M )  <->  -u ( F `  M
)  <_  -u ( F `
 N ) ) )
7365, 72mpbird 224 1  |-  ( ph  ->  ( F `  N
)  <_  ( F `  M ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 359    = wceq 1652    e. wcel 1725   A.wral 2697   class class class wbr 4204    e. cmpt 4258   ` cfv 5446  (class class class)co 6073   CCcc 8980   RRcr 8981   1c1 8983    + caddc 8985    <_ cle 9113    - cmin 9283   -ucneg 9284   ZZcz 10274   ZZ>=cuz 10480   ...cfz 11035
This theorem is referenced by:  iseraltlem1  12467  climcndslem1  12621  climcndslem2  12622  dvfsumlem3  19904  emcllem7  20832  climinf  27699
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-13 1727  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2416  ax-sep 4322  ax-nul 4330  ax-pow 4369  ax-pr 4395  ax-un 4693  ax-cnex 9038  ax-resscn 9039  ax-1cn 9040  ax-icn 9041  ax-addcl 9042  ax-addrcl 9043  ax-mulcl 9044  ax-mulrcl 9045  ax-mulcom 9046  ax-addass 9047  ax-mulass 9048  ax-distr 9049  ax-i2m1 9050  ax-1ne0 9051  ax-1rid 9052  ax-rnegex 9053  ax-rrecex 9054  ax-cnre 9055  ax-pre-lttri 9056  ax-pre-lttrn 9057  ax-pre-ltadd 9058  ax-pre-mulgt0 9059
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2284  df-mo 2285  df-clab 2422  df-cleq 2428  df-clel 2431  df-nfc 2560  df-ne 2600  df-nel 2601  df-ral 2702  df-rex 2703  df-reu 2704  df-rab 2706  df-v 2950  df-sbc 3154  df-csb 3244  df-dif 3315  df-un 3317  df-in 3319  df-ss 3326  df-pss 3328  df-nul 3621  df-if 3732  df-pw 3793  df-sn 3812  df-pr 3813  df-tp 3814  df-op 3815  df-uni 4008  df-iun 4087  df-br 4205  df-opab 4259  df-mpt 4260  df-tr 4295  df-eprel 4486  df-id 4490  df-po 4495  df-so 4496  df-fr 4533  df-we 4535  df-ord 4576  df-on 4577  df-lim 4578  df-suc 4579  df-om 4838  df-xp 4876  df-rel 4877  df-cnv 4878  df-co 4879  df-dm 4880  df-rn 4881  df-res 4882  df-ima 4883  df-iota 5410  df-fun 5448  df-fn 5449  df-f 5450  df-f1 5451  df-fo 5452  df-f1o 5453  df-fv 5454  df-ov 6076  df-oprab 6077  df-mpt2 6078  df-1st 6341  df-2nd 6342  df-riota 6541  df-recs 6625  df-rdg 6660  df-er 6897  df-en 7102  df-dom 7103  df-sdom 7104  df-pnf 9114  df-mnf 9115  df-xr 9116  df-ltxr 9117  df-le 9118  df-sub 9285  df-neg 9286  df-nn 9993  df-n0 10214  df-z 10275  df-uz 10481  df-fz 11036
  Copyright terms: Public domain W3C validator