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Theorem 2mulicn 9510
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 9358 . 2 2 ∈ ℂ
2 ax-icn 8268 . 2 i ∈ ℂ
31, 2mulcli 8325 1 (2 · i) ∈ ℂ
Colors of variables:    wff set class
This proof depends on syntax axioms:  wcel 2209  (class class class)co 6079  cc 8171  ici 8175   · cmul 8178  2c2 9338
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-11 1559  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-ext 2220  ax-resscn 8265  ax-1re 8267  ax-icn 8268  ax-addrcl 8270  ax-mulcl 8271
This proof depends on definitions:  df-bi 117  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-in 3226  df-ss 3233  df-2 9346
This theorem is used by:  2muline0  9513  imval2  11642  sinval  12452  sinf  12454  sinneg  12476  efival  12482  sinadd  12486  sincn  15853
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