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Theorem 5cn 9072
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 9071 . 2 5 ∈ ℝ
21recni 8040 1 5 ∈ ℂ
Colors of variables: wff set class
Syntax hints:  wcel 2167  cc 7879  5c5 9046
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 7973  ax-1re 7975  ax-addrcl 7978
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 9051  df-3 9052  df-4 9053  df-5 9054
This theorem is referenced by:  6m1e5  9115  5p2e7  9139  5p3e8  9140  5p4e9  9141  5p5e10  9529  5t2e10  9558  5recm6rec  9602  ef01bndlem  11923  5ndvds3  12101  5ndvds6  12102  dec5dvds  12591  dec5nprm  12593  2exp11  12615  2exp16  12616  lgsdir2lem1  15279  2lgslem3c  15346  2lgsoddprmlem3d  15361  ex-fac  15384
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