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Theorem 2mulicn 12363
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 12218 . 2 2 ∈ ℂ
2 ax-icn 11083 . 2 i ∈ ℂ
31, 2mulcli 11137 1 (2 · i) ∈ ℂ
Colors of variables: wff setvar class
Syntax hints:  wcel 2113  (class class class)co 7356  cc 11022  ici 11026   · cmul 11029  2c2 12198
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2706  ax-1cn 11082  ax-icn 11083  ax-addcl 11084  ax-mulcl 11086
This theorem depends on definitions:  df-bi 207  df-an 396  df-ex 1781  df-cleq 2726  df-clel 2809  df-2 12206
This theorem is referenced by:  imval2  15072  sinf  16047  sinneg  16069  efival  16075  sinadd  16087  dvmptim  25928  sincn  26408  sineq0  26487  sinasin  26853  efiatan2  26881  2efiatan  26882  tanatan  26883  sineq0ALT  45119
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