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Theorem times2d 12217
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 12110 . 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 2106  (class class class)co 7275  cc 10869   + caddc 10874   · cmul 10876  2c2 12028
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-ext 2709  ax-resscn 10928  ax-1cn 10929  ax-icn 10930  ax-addcl 10931  ax-mulcl 10933  ax-mulcom 10935  ax-mulass 10937  ax-distr 10938  ax-1rid 10941  ax-cnre 10944
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-sb 2068  df-clab 2716  df-cleq 2730  df-clel 2816  df-ral 3069  df-rex 3070  df-rab 3073  df-v 3434  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-br 5075  df-iota 6391  df-fv 6441  df-ov 7278  df-2 12036
This theorem is referenced by:  div4p1lem1div2  12228  climcndslem1  15561  climcndslem2  15562  sadcaddlem  16164  dvexp3  25142  chordthmlem  25982  chordthmlem2  25983  chordthmlem4  25985  logfaclbnd  26370  rplogsumlem1  26632  nexple  31977  aks4d1p1p5  40083  fltne  40481
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