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Theorem times2d 12387
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 12279 . 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 1540  wcel 2109  (class class class)co 7353  cc 11026   + caddc 11031   · cmul 11033  2c2 12202
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-ext 2701  ax-resscn 11085  ax-1cn 11086  ax-icn 11087  ax-addcl 11088  ax-mulcl 11090  ax-mulcom 11092  ax-mulass 11094  ax-distr 11095  ax-1rid 11098  ax-cnre 11101
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2066  df-clab 2708  df-cleq 2721  df-clel 2803  df-rex 3054  df-rab 3397  df-v 3440  df-dif 3908  df-un 3910  df-ss 3922  df-nul 4287  df-if 4479  df-sn 4580  df-pr 4582  df-op 4586  df-uni 4862  df-br 5096  df-iota 6442  df-fv 6494  df-ov 7356  df-2 12210
This theorem is referenced by:  div4p1lem1div2  12398  climcndslem1  15775  climcndslem2  15776  sadcaddlem  16387  dvexp3  25899  chordthmlem  26759  chordthmlem2  26760  chordthmlem4  26762  logfaclbnd  27150  rplogsumlem1  27412  nexple  32808  aks4d1p1p5  42068  fltne  42637
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