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Theorem esumeq1 34015
Description: Equality theorem for an extended sum. (Contributed by Thierry Arnoux, 18-Feb-2017.)
Assertion
Ref Expression
esumeq1 (𝐴 = 𝐵 → Σ*𝑘𝐴𝐶 = Σ*𝑘𝐵𝐶)
Distinct variable groups:   𝐴,𝑘   𝐵,𝑘
Allowed substitution hint:   𝐶(𝑘)

Proof of Theorem esumeq1
StepHypRef Expression
1 id 22 . 2 (𝐴 = 𝐵𝐴 = 𝐵)
2 eqidd 2736 . 2 (𝐴 = 𝐵𝐶 = 𝐶)
31, 2esumeq12d 34014 1 (𝐴 = 𝐵 → Σ*𝑘𝐴𝐶 = Σ*𝑘𝐵𝐶)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1537  Σ*cesum 34008
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-12 2175  ax-ext 2706
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-clab 2713  df-cleq 2727  df-clel 2814  df-ral 3060  df-rab 3434  df-v 3480  df-dif 3966  df-un 3968  df-ss 3980  df-nul 4340  df-if 4532  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-br 5149  df-opab 5211  df-mpt 5232  df-iota 6516  df-fv 6571  df-ov 7434  df-esum 34009
This theorem is referenced by:  esumrnmpt  34033  esumpad  34036  esumpad2  34037  esumpr  34047  esumpr2  34048  esumfzf  34050  esumpmono  34060  esumcvg  34067  esumcvg2  34068  esum2dlem  34073  measvun  34190  ddemeas  34217  oms0  34279  omssubadd  34282  carsgsigalem  34297  carsgclctunlem1  34299  carsgclctunlem2  34301  carsgclctun  34303  pmeasmono  34306  pmeasadd  34307
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