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Theorem 5cn 9089
Description: The number 5 is complex. (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
5cn 5 ∈ ℂ

Proof of Theorem 5cn
StepHypRef Expression
1 5re 9088 . 2 5 ∈ ℝ
21recni 8057 1 5 ∈ ℂ
Colors of variables: wff set class
Syntax hints:  wcel 2167  cc 7896  5c5 9063
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-11 1520  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-ext 2178  ax-resscn 7990  ax-1re 7992  ax-addrcl 7995
This theorem depends on definitions:  df-bi 117  df-nf 1475  df-sb 1777  df-clab 2183  df-cleq 2189  df-clel 2192  df-in 3163  df-ss 3170  df-2 9068  df-3 9069  df-4 9070  df-5 9071
This theorem is referenced by:  6m1e5  9132  5p2e7  9156  5p3e8  9157  5p4e9  9158  5p5e10  9546  5t2e10  9575  5recm6rec  9619  ef01bndlem  11940  5ndvds3  12118  5ndvds6  12119  dec5dvds  12608  dec5nprm  12610  2exp11  12632  2exp16  12633  lgsdir2lem1  15355  2lgslem3c  15422  2lgsoddprmlem3d  15437  ex-fac  15460
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