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Theorem times2d 12459
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 12348 . 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 1559  wcel 2141  (class class class)co 7391  cc 11065   + caddc 11070   · cmul 11072  2c2 12266
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1814  ax-4 1828  ax-5 1929  ax-6 1986  ax-7 2027  ax-8 2143  ax-9 2151  ax-ext 2733  ax-resscn 11124  ax-1cn 11125  ax-icn 11126  ax-addcl 11127  ax-mulcl 11129  ax-mulcom 11131  ax-mulass 11133  ax-distr 11134  ax-1rid 11137  ax-cnre 11140
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1099  df-tru 1562  df-fal 1572  df-ex 1799  df-sb 2090  df-clab 2740  df-cleq 2753  df-clel 2836  df-rex 3086  df-rab 3414  df-v 3455  df-dif 3905  df-un 3907  df-ss 3919  df-nul 4284  df-if 4478  df-sn 4580  df-pr 4582  df-op 4586  df-uni 4863  df-br 5098  df-iota 6472  df-fv 6524  df-ov 7394  df-2 12274
This theorem is referenced by:  div4p1lem1div2  12470  climcndslem1  15870  climcndslem2  15871  sadcaddlem  16482  dvexp3  26028  chordthmlem  26885  chordthmlem2  26886  chordthmlem4  26888  logfaclbnd  27274  rplogsumlem1  27536  nexple  32996  aks4d1p1p5  42653  fltne  43187
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