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Theorem 2mulicn 9079
Description: (2 · i) ∈ ℂ (common case). (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
2mulicn (2 · i) ∈ ℂ

Proof of Theorem 2mulicn
StepHypRef Expression
1 2cn 8928 . 2 2 ∈ ℂ
2 ax-icn 7848 . 2 i ∈ ℂ
31, 2mulcli 7904 1 (2 · i) ∈ ℂ
Colors of variables: wff set class
Syntax hints:  wcel 2136  (class class class)co 5842  cc 7751  ici 7755   · cmul 7758  2c2 8908
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-11 1494  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-ext 2147  ax-resscn 7845  ax-1re 7847  ax-icn 7848  ax-addrcl 7850  ax-mulcl 7851
This theorem depends on definitions:  df-bi 116  df-nf 1449  df-sb 1751  df-clab 2152  df-cleq 2158  df-clel 2161  df-in 3122  df-ss 3129  df-2 8916
This theorem is referenced by:  2muline0  9082  imval2  10836  sinval  11643  sinf  11645  sinneg  11667  efival  11673  sinadd  11677  sincn  13330
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