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Theorem 2mulicn 12395
Description: (2 · i) ∈ ℂ. (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
2mulicn (2 · i) ∈ ℂ

Proof of Theorem 2mulicn
StepHypRef Expression
1 2cn 12250 . 2 2 ∈ ℂ
2 ax-icn 11091 . 2 i ∈ ℂ
31, 2mulcli 11146 1 (2 · i) ∈ ℂ
Colors of variables: wff setvar class
Syntax hints:  wcel 2114  (class class class)co 7361  cc 11030  ici 11034   · cmul 11037  2c2 12230
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-1cn 11090  ax-icn 11091  ax-addcl 11092  ax-mulcl 11094
This theorem depends on definitions:  df-bi 207  df-an 396  df-ex 1782  df-cleq 2729  df-clel 2812  df-2 12238
This theorem is referenced by:  imval2  15107  sinf  16085  sinneg  16107  efival  16113  sinadd  16125  dvmptim  25950  sincn  26425  sineq0  26504  sinasin  26869  efiatan2  26897  2efiatan  26898  tanatan  26899  sineq0ALT  45384
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