ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  6cn GIF version

Theorem 6cn 9215
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 9214 . 2 6 ∈ ℝ
21recni 8181 1 6 ∈ ℂ
Colors of variables: wff set class
Syntax hints:  wcel 2200  cc 8020  6c6 9188
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 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-11 1552  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-ext 2211  ax-resscn 8114  ax-1re 8116  ax-addrcl 8119
This theorem depends on definitions:  df-bi 117  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-in 3204  df-ss 3211  df-2 9192  df-3 9193  df-4 9194  df-5 9195  df-6 9196
This theorem is referenced by:  7m1e6  9257  6p2e8  9283  6p3e9  9284  halfpm6th  9354  6p4e10  9672  6t2e12  9704  6t3e18  9705  6t5e30  9707  5recm6rec  9744  efi4p  12268  ef01bndlem  12307  cos01bnd  12309  3lcm2e6woprm  12648  6lcm4e12  12649  2exp8  12998  2exp11  12999  2exp16  13000  sincos6thpi  15556  sincos3rdpi  15557  2lgslem3d  15815  2lgsoddprmlem3d  15829  ex-exp  16259  ex-bc  16261  ex-gcd  16263
  Copyright terms: Public domain W3C validator