MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  times2d Structured version   Visualization version   GIF version

Theorem times2d 12397
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 12289 . 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 1542  wcel 2114  (class class class)co 7368  cc 11036   + caddc 11041   · cmul 11043  2c2 12212
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-resscn 11095  ax-1cn 11096  ax-icn 11097  ax-addcl 11098  ax-mulcl 11100  ax-mulcom 11102  ax-mulass 11104  ax-distr 11105  ax-1rid 11108  ax-cnre 11111
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-rex 3063  df-rab 3402  df-v 3444  df-dif 3906  df-un 3908  df-ss 3920  df-nul 4288  df-if 4482  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-iota 6456  df-fv 6508  df-ov 7371  df-2 12220
This theorem is referenced by:  div4p1lem1div2  12408  climcndslem1  15784  climcndslem2  15785  sadcaddlem  16396  dvexp3  25950  chordthmlem  26810  chordthmlem2  26811  chordthmlem4  26813  logfaclbnd  27201  rplogsumlem1  27463  nexple  32935  aks4d1p1p5  42442  fltne  42999
  Copyright terms: Public domain W3C validator