Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  nfesum1 Structured version   Visualization version   GIF version

Theorem nfesum1 34739
Description: Bound-variable hypothesis builder for extended sum. (Contributed by Thierry Arnoux, 19-Oct-2017.)
Hypothesis
Ref Expression
nfesum1.1 Ⅎ𝑘𝐴
Assertion
Ref Expression
nfesum1 Ⅎ𝑘Σ*𝑘 ∈ 𝐴𝐵

Proof of Theorem nfesum1
StepHypRef Expression
1 df-esum 34727 . 2 Σ*𝑘 ∈ 𝐴𝐵 = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵))
2 nfcv 2926 . . . 4 Ⅎ𝑘(ℝ*𝑠 ↾s (0[,]+∞))
3 nfcv 2926 . . . 4 Ⅎ𝑘 tsums
4 nfmpt1 5207 . . . 4 Ⅎ𝑘(𝑘 ∈ 𝐴 ↦ 𝐵)
52, 3, 4nfov 7470 . . 3 Ⅎ𝑘((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵))
65nfuni 4877 . 2 Ⅎ𝑘∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵))
71, 6nfcxfr 2924 1 Ⅎ𝑘Σ*𝑘 ∈ 𝐴𝐵
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  Ⅎwnfc 2911  ∪ cuni 4870   ↦ cmpt 5189  (class class class)co 7440  0cc0 11224  +∞cpnf 11364  [,]cicc 13503   ↾s cress 17434  ℝ*𝑠cxrs 17698   tsums ctsu 24472  Σ*cesum 34726
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4839  df-uni 4871  df-br 5107  df-opab 5171  df-mpt 5190  df-iota 6509  df-fv 6563  df-ov 7443  df-esum 34727
This theorem is used by:  esumfsup  34769  esum2d  34792  oms0  34996  omssubadd  34999
  Copyright terms: Public domain W3C validator