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Theorem dvfval 22470
Description: Value and set bounds on the derivative operator. (Contributed by Mario Carneiro, 7-Aug-2014.) (Revised by Mario Carneiro, 25-Dec-2016.)
Hypotheses
Ref Expression
dvval.t  |-  T  =  ( Kt  S )
dvval.k  |-  K  =  ( TopOpen ` fld )
Assertion
Ref Expression
dvfval  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  (
( S  _D  F
)  =  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  /\  ( S  _D  F )  C_  ( ( ( int `  T ) `  A
)  X.  CC ) ) )
Distinct variable groups:    x, z, A    x, F, z    x, K, z    x, S, z   
x, T
Allowed substitution hint:    T( z)

Proof of Theorem dvfval
Dummy variables  f 
s are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-dv 22440 . . . 4  |-  _D  =  ( s  e.  ~P CC ,  f  e.  ( CC  ^pm  s ) 
|->  U_ x  e.  ( ( int `  (
( TopOpen ` fld )t  s ) ) `
 dom  f )
( { x }  X.  ( ( z  e.  ( dom  f  \  { x } ) 
|->  ( ( ( f `
 z )  -  ( f `  x
) )  /  (
z  -  x ) ) ) lim CC  x
) ) )
21a1i 11 . . 3  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  _D  =  ( s  e. 
~P CC ,  f  e.  ( CC  ^pm  s )  |->  U_ x  e.  ( ( int `  (
( TopOpen ` fld )t  s ) ) `
 dom  f )
( { x }  X.  ( ( z  e.  ( dom  f  \  { x } ) 
|->  ( ( ( f `
 z )  -  ( f `  x
) )  /  (
z  -  x ) ) ) lim CC  x
) ) ) )
3 dvval.k . . . . . . . 8  |-  K  =  ( TopOpen ` fld )
43oveq1i 6280 . . . . . . 7  |-  ( Kt  s )  =  ( (
TopOpen ` fld )t  s )
5 simprl 754 . . . . . . . . 9  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  s  =  S )
65oveq2d 6286 . . . . . . . 8  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  ( Kt  s )  =  ( Kt  S ) )
7 dvval.t . . . . . . . 8  |-  T  =  ( Kt  S )
86, 7syl6eqr 2513 . . . . . . 7  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  ( Kt  s )  =  T )
94, 8syl5eqr 2509 . . . . . 6  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
( TopOpen ` fld )t  s )  =  T )
109fveq2d 5852 . . . . 5  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  ( int `  ( ( TopOpen ` fld )t  s
) )  =  ( int `  T ) )
11 simprr 755 . . . . . . 7  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  f  =  F )
1211dmeqd 5194 . . . . . 6  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  dom  f  =  dom  F )
13 simpl2 998 . . . . . . 7  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  F : A --> CC )
14 fdm 5717 . . . . . . 7  |-  ( F : A --> CC  ->  dom 
F  =  A )
1513, 14syl 16 . . . . . 6  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  dom  F  =  A )
1612, 15eqtrd 2495 . . . . 5  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  dom  f  =  A )
1710, 16fveq12d 5854 . . . 4  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
( int `  (
( TopOpen ` fld )t  s ) ) `
 dom  f )  =  ( ( int `  T ) `  A
) )
1816difeq1d 3607 . . . . . . 7  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  ( dom  f  \  { x } )  =  ( A  \  { x } ) )
1911fveq1d 5850 . . . . . . . . 9  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
f `  z )  =  ( F `  z ) )
2011fveq1d 5850 . . . . . . . . 9  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
f `  x )  =  ( F `  x ) )
2119, 20oveq12d 6288 . . . . . . . 8  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
( f `  z
)  -  ( f `
 x ) )  =  ( ( F `
 z )  -  ( F `  x ) ) )
2221oveq1d 6285 . . . . . . 7  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
( ( f `  z )  -  (
f `  x )
)  /  ( z  -  x ) )  =  ( ( ( F `  z )  -  ( F `  x ) )  / 
( z  -  x
) ) )
2318, 22mpteq12dv 4517 . . . . . 6  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
z  e.  ( dom  f  \  { x } )  |->  ( ( ( f `  z
)  -  ( f `
 x ) )  /  ( z  -  x ) ) )  =  ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) )
2423oveq1d 6285 . . . . 5  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  (
( z  e.  ( dom  f  \  {
x } )  |->  ( ( ( f `  z )  -  (
f `  x )
)  /  ( z  -  x ) ) ) lim CC  x )  =  ( ( z  e.  ( A  \  { x } ) 
|->  ( ( ( F `
 z )  -  ( F `  x ) )  /  ( z  -  x ) ) ) lim CC  x ) )
2524xpeq2d 5012 . . . 4  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  ( { x }  X.  ( ( z  e.  ( dom  f  \  { x } ) 
|->  ( ( ( f `
 z )  -  ( f `  x
) )  /  (
z  -  x ) ) ) lim CC  x
) )  =  ( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) ) )
2617, 25iuneq12d 4341 . . 3  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  ( s  =  S  /\  f  =  F ) )  ->  U_ x  e.  ( ( int `  (
( TopOpen ` fld )t  s ) ) `
 dom  f )
( { x }  X.  ( ( z  e.  ( dom  f  \  { x } ) 
|->  ( ( ( f `
 z )  -  ( f `  x
) )  /  (
z  -  x ) ) ) lim CC  x
) )  =  U_ x  e.  ( ( int `  T ) `  A ) ( { x }  X.  (
( z  e.  ( A  \  { x } )  |->  ( ( ( F `  z
)  -  ( F `
 x ) )  /  ( z  -  x ) ) ) lim
CC  x ) ) )
27 simpr 459 . . . 4  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  s  =  S )  ->  s  =  S )
2827oveq2d 6286 . . 3  |-  ( ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  /\  s  =  S )  ->  ( CC  ^pm  s
)  =  ( CC 
^pm  S ) )
29 simp1 994 . . . 4  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  S  C_  CC )
30 cnex 9562 . . . . 5  |-  CC  e.  _V
3130elpw2 4601 . . . 4  |-  ( S  e.  ~P CC  <->  S  C_  CC )
3229, 31sylibr 212 . . 3  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  S  e.  ~P CC )
3330a1i 11 . . . 4  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  CC  e.  _V )
34 simp2 995 . . . 4  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  F : A --> CC )
35 simp3 996 . . . 4  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  A  C_  S )
36 elpm2r 7429 . . . 4  |-  ( ( ( CC  e.  _V  /\  S  e.  ~P CC )  /\  ( F : A
--> CC  /\  A  C_  S ) )  ->  F  e.  ( CC  ^pm 
S ) )
3733, 32, 34, 35, 36syl22anc 1227 . . 3  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  F  e.  ( CC  ^pm  S
) )
38 limccl 22448 . . . . . . . . 9  |-  ( ( z  e.  ( A 
\  { x }
)  |->  ( ( ( F `  z )  -  ( F `  x ) )  / 
( z  -  x
) ) ) lim CC  x )  C_  CC
39 xpss2 5100 . . . . . . . . 9  |-  ( ( ( z  e.  ( A  \  { x } )  |->  ( ( ( F `  z
)  -  ( F `
 x ) )  /  ( z  -  x ) ) ) lim
CC  x )  C_  CC  ->  ( { x }  X.  ( ( z  e.  ( A  \  { x } ) 
|->  ( ( ( F `
 z )  -  ( F `  x ) )  /  ( z  -  x ) ) ) lim CC  x ) )  C_  ( {
x }  X.  CC ) )
4038, 39ax-mp 5 . . . . . . . 8  |-  ( { x }  X.  (
( z  e.  ( A  \  { x } )  |->  ( ( ( F `  z
)  -  ( F `
 x ) )  /  ( z  -  x ) ) ) lim
CC  x ) ) 
C_  ( { x }  X.  CC )
4140rgenw 2815 . . . . . . 7  |-  A. x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  C_  ( {
x }  X.  CC )
42 ss2iun 4331 . . . . . . 7  |-  ( A. x  e.  ( ( int `  T ) `  A ) ( { x }  X.  (
( z  e.  ( A  \  { x } )  |->  ( ( ( F `  z
)  -  ( F `
 x ) )  /  ( z  -  x ) ) ) lim
CC  x ) ) 
C_  ( { x }  X.  CC )  ->  U_ x  e.  (
( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  C_  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  CC ) )
4341, 42ax-mp 5 . . . . . 6  |-  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  C_  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  CC )
44 iunxpconst 5045 . . . . . 6  |-  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  CC )  =  ( ( ( int `  T
) `  A )  X.  CC )
4543, 44sseqtri 3521 . . . . 5  |-  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  C_  ( (
( int `  T
) `  A )  X.  CC )
4645a1i 11 . . . 4  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  C_  ( (
( int `  T
) `  A )  X.  CC ) )
47 fvex 5858 . . . . . 6  |-  ( ( int `  T ) `
 A )  e. 
_V
4847, 30xpex 6577 . . . . 5  |-  ( ( ( int `  T
) `  A )  X.  CC )  e.  _V
4948ssex 4581 . . . 4  |-  ( U_ x  e.  ( ( int `  T ) `  A ) ( { x }  X.  (
( z  e.  ( A  \  { x } )  |->  ( ( ( F `  z
)  -  ( F `
 x ) )  /  ( z  -  x ) ) ) lim
CC  x ) ) 
C_  ( ( ( int `  T ) `
 A )  X.  CC )  ->  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  e.  _V )
5046, 49syl 16 . . 3  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  e.  _V )
512, 26, 28, 32, 37, 50ovmpt2dx 6402 . 2  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  ( S  _D  F )  = 
U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) ) )
5251, 46eqsstrd 3523 . 2  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  ( S  _D  F )  C_  ( ( ( int `  T ) `  A
)  X.  CC ) )
5351, 52jca 530 1  |-  ( ( S  C_  CC  /\  F : A --> CC  /\  A  C_  S )  ->  (
( S  _D  F
)  =  U_ x  e.  ( ( int `  T
) `  A )
( { x }  X.  ( ( z  e.  ( A  \  {
x } )  |->  ( ( ( F `  z )  -  ( F `  x )
)  /  ( z  -  x ) ) ) lim CC  x ) )  /\  ( S  _D  F )  C_  ( ( ( int `  T ) `  A
)  X.  CC ) ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 367    /\ w3a 971    = wceq 1398    e. wcel 1823   A.wral 2804   _Vcvv 3106    \ cdif 3458    C_ wss 3461   ~Pcpw 3999   {csn 4016   U_ciun 4315    |-> cmpt 4497    X. cxp 4986   dom cdm 4988   -->wf 5566   ` cfv 5570  (class class class)co 6270    |-> cmpt2 6272    ^pm cpm 7413   CCcc 9479    - cmin 9796    / cdiv 10202   ↾t crest 14913   TopOpenctopn 14914  ℂfldccnfld 18618   intcnt 19688   lim CC climc 22435    _D cdv 22436
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1623  ax-4 1636  ax-5 1709  ax-6 1752  ax-7 1795  ax-8 1825  ax-9 1827  ax-10 1842  ax-11 1847  ax-12 1859  ax-13 2004  ax-ext 2432  ax-rep 4550  ax-sep 4560  ax-nul 4568  ax-pow 4615  ax-pr 4676  ax-un 6565  ax-cnex 9537  ax-resscn 9538  ax-1cn 9539  ax-icn 9540  ax-addcl 9541  ax-addrcl 9542  ax-mulcl 9543  ax-mulrcl 9544  ax-mulcom 9545  ax-addass 9546  ax-mulass 9547  ax-distr 9548  ax-i2m1 9549  ax-1ne0 9550  ax-1rid 9551  ax-rnegex 9552  ax-rrecex 9553  ax-cnre 9554  ax-pre-lttri 9555  ax-pre-lttrn 9556  ax-pre-ltadd 9557  ax-pre-mulgt0 9558  ax-pre-sup 9559
This theorem depends on definitions:  df-bi 185  df-or 368  df-an 369  df-3or 972  df-3an 973  df-tru 1401  df-ex 1618  df-nf 1622  df-sb 1745  df-eu 2288  df-mo 2289  df-clab 2440  df-cleq 2446  df-clel 2449  df-nfc 2604  df-ne 2651  df-nel 2652  df-ral 2809  df-rex 2810  df-reu 2811  df-rmo 2812  df-rab 2813  df-v 3108  df-sbc 3325  df-csb 3421  df-dif 3464  df-un 3466  df-in 3468  df-ss 3475  df-pss 3477  df-nul 3784  df-if 3930  df-pw 4001  df-sn 4017  df-pr 4019  df-tp 4021  df-op 4023  df-uni 4236  df-int 4272  df-iun 4317  df-br 4440  df-opab 4498  df-mpt 4499  df-tr 4533  df-eprel 4780  df-id 4784  df-po 4789  df-so 4790  df-fr 4827  df-we 4829  df-ord 4870  df-on 4871  df-lim 4872  df-suc 4873  df-xp 4994  df-rel 4995  df-cnv 4996  df-co 4997  df-dm 4998  df-rn 4999  df-res 5000  df-ima 5001  df-iota 5534  df-fun 5572  df-fn 5573  df-f 5574  df-f1 5575  df-fo 5576  df-f1o 5577  df-fv 5578  df-riota 6232  df-ov 6273  df-oprab 6274  df-mpt2 6275  df-om 6674  df-1st 6773  df-2nd 6774  df-recs 7034  df-rdg 7068  df-1o 7122  df-oadd 7126  df-er 7303  df-map 7414  df-pm 7415  df-en 7510  df-dom 7511  df-sdom 7512  df-fin 7513  df-fi 7863  df-sup 7893  df-pnf 9619  df-mnf 9620  df-xr 9621  df-ltxr 9622  df-le 9623  df-sub 9798  df-neg 9799  df-div 10203  df-nn 10532  df-2 10590  df-3 10591  df-4 10592  df-5 10593  df-6 10594  df-7 10595  df-8 10596  df-9 10597  df-10 10598  df-n0 10792  df-z 10861  df-dec 10977  df-uz 11083  df-q 11184  df-rp 11222  df-xneg 11321  df-xadd 11322  df-xmul 11323  df-fz 11676  df-seq 12093  df-exp 12152  df-cj 13017  df-re 13018  df-im 13019  df-sqrt 13153  df-abs 13154  df-struct 14721  df-ndx 14722  df-slot 14723  df-base 14724  df-plusg 14800  df-mulr 14801  df-starv 14802  df-tset 14806  df-ple 14807  df-ds 14809  df-unif 14810  df-rest 14915  df-topn 14916  df-topgen 14936  df-psmet 18609  df-xmet 18610  df-met 18611  df-bl 18612  df-mopn 18613  df-cnfld 18619  df-top 19569  df-bases 19571  df-topon 19572  df-topsp 19573  df-cnp 19899  df-xms 20992  df-ms 20993  df-limc 22439  df-dv 22440
This theorem is referenced by:  eldv  22471  dvbssntr  22473
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