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Theorem 2mulicn 8966
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 8815 . 2 2 ∈ ℂ
2 ax-icn 7739 . 2 i ∈ ℂ
31, 2mulcli 7795 1 (2 · i) ∈ ℂ
Colors of variables: wff set class
Syntax hints:  wcel 1481  (class class class)co 5782  cc 7642  ici 7646   · cmul 7649  2c2 8795
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 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-11 1485  ax-4 1488  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-resscn 7736  ax-1re 7738  ax-icn 7739  ax-addrcl 7741  ax-mulcl 7742
This theorem depends on definitions:  df-bi 116  df-nf 1438  df-sb 1737  df-clab 2127  df-cleq 2133  df-clel 2136  df-in 3082  df-ss 3089  df-2 8803
This theorem is referenced by:  2muline0  8969  imval2  10698  sinval  11445  sinf  11447  sinneg  11469  efival  11475  sinadd  11479  sincn  12898
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