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Theorem 2mulicn 12463
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 12311 . 2 2 ∈ ℂ
2 ax-icn 11154 . 2 i ∈ ℂ
31, 2mulcli 11211 1 (2 · i) ∈ ℂ
Colors of variables: wff setvar class
Syntax hints:  wcel 2143  (class class class)co 7410  cc 11093  ici 11097   · cmul 11100  2c2 12290
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-ext 2735  ax-1cn 11153  ax-icn 11154  ax-addcl 11155  ax-mulcl 11157
This theorem depends on definitions:  df-bi 210  df-an 401  df-ex 1810  df-cleq 2755  df-clel 2838  df-2 12298
This theorem is referenced by:  imval2  15198  sinf  16175  sinneg  16197  efival  16203  sinadd  16215  dvmptim  26129  sincn  26607  sineq0  26689  sinasin  27054  efiatan2  27082  2efiatan  27083  tanatan  27084  sineq0ALT  45665
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