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Theorem nfesum1 30102
Description: Bound-variable hypothesis builder for extended sum. (Contributed by Thierry Arnoux, 19-Oct-2017.)
Hypothesis
Ref Expression
nfesum1.1  |-  F/_ k A
Assertion
Ref Expression
nfesum1  |-  F/_ kΣ* k  e.  A B

Proof of Theorem nfesum1
StepHypRef Expression
1 df-esum 30090 . 2  |- Σ* k  e.  A B  =  U. (
( RR*ss  ( 0 [,] +oo ) ) tsums  ( k  e.  A  |->  B ) )
2 nfcv 2764 . . . 4  |-  F/_ k
( RR*ss  ( 0 [,] +oo ) )
3 nfcv 2764 . . . 4  |-  F/_ k tsums
4 nfmpt1 4747 . . . 4  |-  F/_ k
( k  e.  A  |->  B )
52, 3, 4nfov 6676 . . 3  |-  F/_ k
( ( RR*ss  (
0 [,] +oo )
) tsums  ( k  e.  A  |->  B ) )
65nfuni 4442 . 2  |-  F/_ k U. ( ( RR*ss  (
0 [,] +oo )
) tsums  ( k  e.  A  |->  B ) )
71, 6nfcxfr 2762 1  |-  F/_ kΣ* k  e.  A B
Colors of variables: wff setvar class
Syntax hints:   F/_wnfc 2751   U.cuni 4436    |-> cmpt 4729  (class class class)co 6650   0cc0 9936   +oocpnf 10071   [,]cicc 12178   ↾s cress 15858   RR*scxrs 16160   tsums ctsu 21929  Σ*cesum 30089
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-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-iota 5851  df-fv 5896  df-ov 6653  df-esum 30090
This theorem is referenced by:  esumfsup  30132  esum2d  30155  oms0  30359  omssubadd  30362
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