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Theorem 2mulicn 12583
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 12431 . 2 2 ∈ ℂ
2 ax-icn 11272 . 2 i ∈ ℂ
31, 2mulcli 11329 1 (2 · i) ∈ ℂ
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   ∈ wcel 2146  (class class class)co 7430  ℂcc 11211  ici 11215   · cmul 11218  2c2 12410
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1944  ax-6 2001  ax-7 2042  ax-8 2148  ax-9 2156  ax-ext 2735  ax-1cn 11271  ax-icn 11272  ax-addcl 11273  ax-mulcl 11275
This proof depends on definitions:  df-bi 210  df-an 402  df-ex 1812  df-cleq 2755  df-clel 2839  df-2 12418
This theorem is used by:  imval2  15333  sinf  16307  sinneg  16329  efival  16335  sinadd  16347  dvmptim  26305  sincn  26786  sineq0  26867  efeq1  26871  sinasin  27232  efiatan2  27260  2efiatan  27261  tanatan  27262  sineq0ALT  46061
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