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Theorem 2mulicn 12495
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 12343 . 2 2 ∈ ℂ
2 ax-icn 11186 . 2 i ∈ ℂ
31, 2mulcli 11243 1 (2 · i) ∈ ℂ
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wcel 2145  (class class class)co 7414  cc 11125  ici 11129   · cmul 11132  2c2 12322
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-ext 2732  ax-1cn 11185  ax-icn 11186  ax-addcl 11187  ax-mulcl 11189
This proof depends on definitions:  df-bi 210  df-an 402  df-ex 1813  df-cleq 2752  df-clel 2835  df-2 12330
This theorem is used by:  imval2  15241  sinf  16215  sinneg  16237  efival  16243  sinadd  16255  dvmptim  26200  sincn  26683  sineq0  26764  sinasin  27129  efiatan2  27157  2efiatan  27158  tanatan  27159  sineq0ALT  45762
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