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Theorem nfesum1 34439
Description: Bound-variable hypothesis builder for extended sum. (Contributed by Thierry Arnoux, 19-Oct-2017.)
Hypothesis
Ref Expression
nfesum1.1 𝑘𝐴
Assertion
Ref Expression
nfesum1 𝑘Σ*𝑘𝐴𝐵

Proof of Theorem nfesum1
StepHypRef Expression
1 df-esum 34427 . 2 Σ*𝑘𝐴𝐵 = ((ℝ*𝑠s (0[,]+∞)) tsums (𝑘𝐴𝐵))
2 nfcv 2924 . . . 4 𝑘(ℝ*𝑠s (0[,]+∞))
3 nfcv 2924 . . . 4 𝑘 tsums
4 nfmpt1 5209 . . . 4 𝑘(𝑘𝐴𝐵)
52, 3, 4nfov 7442 . . 3 𝑘((ℝ*𝑠s (0[,]+∞)) tsums (𝑘𝐴𝐵))
65nfuni 4878 . 2 𝑘 ((ℝ*𝑠s (0[,]+∞)) tsums (𝑘𝐴𝐵))
71, 6nfcxfr 2922 1 𝑘Σ*𝑘𝐴𝐵
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wnfc 2909   cuni 4871  cmpt 5191  (class class class)co 7412  0cc0 11106  +∞cpnf 11246  [,]cicc 13381  s cress 17296  *𝑠cxrs 17560   tsums ctsu 24294  Σ*cesum 34426
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-10 2175  ax-11 2191  ax-12 2212  ax-ext 2734
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1104  df-tru 1572  df-fal 1582  df-ex 1809  df-nf 1813  df-sb 2096  df-clab 2741  df-cleq 2754  df-clel 2837  df-nfc 2911  df-ral 3079  df-rex 3089  df-rab 3416  df-v 3456  df-dif 3907  df-un 3909  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-uni 4872  df-br 5109  df-opab 5173  df-mpt 5192  df-iota 6492  df-fv 6544  df-ov 7415  df-esum 34427
This theorem is used by:  esumfsup  34469  esum2d  34492  oms0  34696  omssubadd  34699
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