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Theorem 2mulicn 9527
Description:  ( 2  x.  _i )  e.  CC (common case). (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
2mulicn  |-  ( 2  x.  _i )  e.  CC

Proof of Theorem 2mulicn
StepHypRef Expression
1 2cn 9375 . 2  |-  2  e.  CC
2 ax-icn 8274 . 2  |-  _i  e.  CC
31, 2mulcli 8331 1  |-  ( 2  x.  _i )  e.  CC
Colors of variables:    wff set class
This proof depends on syntax axioms:    e. wcel 2209  (class class class)co 6085   CCcc 8177   _ici 8181    x. cmul 8184   2c2 9355
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 8271  ax-1re 8273  ax-icn 8274  ax-addrcl 8276  ax-mulcl 8277
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 9363
This theorem is used by:  2muline0  9530  imval2  11659  sinval  12469  sinf  12471  sinneg  12493  efival  12499  sinadd  12503  sincn  15870
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