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Theorem esumeq1 34433
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 23 . 2 (𝐴 = 𝐵𝐴 = 𝐵)
2 eqidd 2764 . 2 (𝐴 = 𝐵𝐶 = 𝐶)
31, 2esumeq12d 34432 1 (𝐴 = 𝐵 → Σ*𝑘𝐴𝐶 = Σ*𝑘𝐵𝐶)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4   = wceq 1570  Σ*cesum 34426
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-12 2213  ax-ext 2735
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-clab 2742  df-cleq 2755  df-clel 2838  df-ral 3080  df-rab 3417  df-v 3457  df-dif 3908  df-un 3910  df-ss 3922  df-nul 4287  df-if 4488  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4873  df-br 5110  df-opab 5174  df-mpt 5193  df-iota 6492  df-fv 6544  df-ov 7413  df-esum 34427
This theorem is used by:  esumrnmpt  34451  esumpad  34454  esumpad2  34455  esumpr  34465  esumpr2  34466  esumfzf  34468  esumpmono  34478  esumcvg  34485  esumcvg2  34486  esum2dlem  34491  measvun  34608  ddemeas  34635  oms0  34696  omssubadd  34699  carsgsigalem  34714  carsgclctunlem1  34716  carsgclctunlem2  34718  carsgclctun  34720  pmeasmono  34723  pmeasadd  34724
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