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Theorem 6cn 9386
Description: The number 6 is complex. (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
6cn 6 ∈ ℂ

Proof of Theorem 6cn
StepHypRef Expression
1 6re 9385 . 2 6 ∈ ℝ
21recni 8338 1 6 ∈ ℂ
Colors of variables:    wff set class
This proof depends on syntax axioms:  wcel 2209  cc 8177  6c6 9359
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-addrcl 8276
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  df-3 9364  df-4 9365  df-5 9366  df-6 9367
This theorem is used by:  7m1e6  9428  6p2e8  9454  6p3e9  9455  halfpm6th  9525  6p4e10  9848  6t2e12  9880  6t3e18  9881  6t5e30  9883  5recm6rec  9920  efi4p  12484  ef01bndlem  12523  cos01bnd  12525  3lcm2e6woprm  12864  6lcm4e12  12865  2exp8  13214  2exp11  13215  2exp16  13216  sincos6thpi  15943  sincos3rdpi  15944  log2ublem3  16085  log2ublog2  16086  2lgslem3d  16215  2lgsoddprmlem3d  16229  ex-exp  16741  ex-bc  16743  ex-gcd  16745
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