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Theorem times2d 12147
Description: A number times 2. (Contributed by Mario Carneiro, 27-May-2016.)
Hypothesis
Ref Expression
2timesd.1 (𝜑𝐴 ∈ ℂ)
Assertion
Ref Expression
times2d (𝜑 → (𝐴 · 2) = (𝐴 + 𝐴))

Proof of Theorem times2d
StepHypRef Expression
1 2timesd.1 . 2 (𝜑𝐴 ∈ ℂ)
2 times2 12040 . 2 (𝐴 ∈ ℂ → (𝐴 · 2) = (𝐴 + 𝐴))
31, 2syl 17 1 (𝜑 → (𝐴 · 2) = (𝐴 + 𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1539  wcel 2108  (class class class)co 7255  cc 10800   + caddc 10805   · cmul 10807  2c2 11958
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-ext 2709  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-mulcl 10864  ax-mulcom 10866  ax-mulass 10868  ax-distr 10869  ax-1rid 10872  ax-cnre 10875
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-sb 2069  df-clab 2716  df-cleq 2730  df-clel 2817  df-ral 3068  df-rex 3069  df-rab 3072  df-v 3424  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4254  df-if 4457  df-sn 4559  df-pr 4561  df-op 4565  df-uni 4837  df-br 5071  df-iota 6376  df-fv 6426  df-ov 7258  df-2 11966
This theorem is referenced by:  div4p1lem1div2  12158  climcndslem1  15489  climcndslem2  15490  sadcaddlem  16092  dvexp3  25047  chordthmlem  25887  chordthmlem2  25888  chordthmlem4  25890  logfaclbnd  26275  rplogsumlem1  26537  nexple  31877  aks4d1p1p5  40011  fltne  40397
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