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Theorem 2mulicn 9538
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 9384 . 2  |-  2  e.  CC
2 ax-icn 8280 . 2  |-  _i  e.  CC
31, 2mulcli 8337 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 6088   CCcc 8183   _ici 8187    x. cmul 8190   2c2 9364
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 8277  ax-1re 8279  ax-icn 8280  ax-addrcl 8282  ax-mulcl 8283
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 9372
This theorem is used by:  2muline0  9541  imval2  11681  sinval  12494  sinf  12496  sinneg  12518  efival  12524  sinadd  12528  sincn  15995  sineq0re  16076
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