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Theorem times2d 12484
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 12373 . 2 (𝐴 ∈ ℂ → (𝐴 · 2) = (𝐴 + 𝐴))
31, 2syl 18 1 (𝜑 → (𝐴 · 2) = (𝐴 + 𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1567  wcel 2149  (class class class)co 7408  cc 11094   + caddc 11099   · cmul 11101  2c2 12291
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-ext 2741  ax-resscn 11153  ax-1cn 11154  ax-icn 11155  ax-addcl 11156  ax-mulcl 11158  ax-mulcom 11160  ax-mulass 11162  ax-distr 11163  ax-1rid 11166  ax-cnre 11169
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-sb 2098  df-clab 2748  df-cleq 2761  df-clel 2844  df-rex 3096  df-rab 3424  df-v 3465  df-dif 3916  df-un 3918  df-ss 3930  df-nul 4295  df-if 4490  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4874  df-br 5111  df-iota 6489  df-fv 6541  df-ov 7411  df-2 12299
This theorem is referenced by:  div4p1lem1div2  12495  climcndslem1  15899  climcndslem2  15900  sadcaddlem  16511  dvexp3  26102  chordthmlem  26959  chordthmlem2  26960  chordthmlem4  26962  logfaclbnd  27348  rplogsumlem1  27610  nexple  33114  aks4d1p1p5  42727  fltne  43261
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