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Theorem nfitg1 23540
Description: Bound-variable hypothesis builder for an integral. (Contributed by Mario Carneiro, 28-Jun-2014.)
Assertion
Ref Expression
nfitg1  |-  F/_ x S. A B  _d x

Proof of Theorem nfitg1
Dummy variables  k 
z are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-itg 23392 . 2  |-  S. A B  _d x  =  sum_ k  e.  ( 0 ... 3 ) ( ( _i ^ k
)  x.  ( S.2 `  ( x  e.  RR  |->  [_ ( Re `  ( B  /  ( _i ^
k ) ) )  /  z ]_ if ( ( x  e.  A  /\  0  <_ 
z ) ,  z ,  0 ) ) ) )
2 nfcv 2764 . . 3  |-  F/_ x
( 0 ... 3
)
3 nfcv 2764 . . . 4  |-  F/_ x
( _i ^ k
)
4 nfcv 2764 . . . 4  |-  F/_ x  x.
5 nfcv 2764 . . . . 5  |-  F/_ x S.2
6 nfmpt1 4747 . . . . 5  |-  F/_ x
( x  e.  RR  |->  [_ ( Re `  ( B  /  ( _i ^
k ) ) )  /  z ]_ if ( ( x  e.  A  /\  0  <_ 
z ) ,  z ,  0 ) )
75, 6nffv 6198 . . . 4  |-  F/_ x
( S.2 `  ( x  e.  RR  |->  [_ (
Re `  ( B  /  ( _i ^
k ) ) )  /  z ]_ if ( ( x  e.  A  /\  0  <_ 
z ) ,  z ,  0 ) ) )
83, 4, 7nfov 6676 . . 3  |-  F/_ x
( ( _i ^
k )  x.  ( S.2 `  ( x  e.  RR  |->  [_ ( Re `  ( B  /  (
_i ^ k ) ) )  /  z ]_ if ( ( x  e.  A  /\  0  <_  z ) ,  z ,  0 ) ) ) )
92, 8nfsum 14421 . 2  |-  F/_ x sum_ k  e.  ( 0 ... 3 ) ( ( _i ^ k
)  x.  ( S.2 `  ( x  e.  RR  |->  [_ ( Re `  ( B  /  ( _i ^
k ) ) )  /  z ]_ if ( ( x  e.  A  /\  0  <_ 
z ) ,  z ,  0 ) ) ) )
101, 9nfcxfr 2762 1  |-  F/_ x S. A B  _d x
Colors of variables: wff setvar class
Syntax hints:    /\ wa 384    e. wcel 1990   F/_wnfc 2751   [_csb 3533   ifcif 4086   class class class wbr 4653    |-> cmpt 4729   ` cfv 5888  (class class class)co 6650   RRcr 9935   0cc0 9936   _ici 9938    x. cmul 9941    <_ cle 10075    / cdiv 10684   3c3 11071   ...cfz 12326   ^cexp 12860   Recre 13837   sum_csu 14416   S.2citg2 23385   S.citg 23387
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-opab 4713  df-mpt 4730  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-seq 12802  df-sum 14417  df-itg 23392
This theorem is referenced by: (None)
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