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| Mirrors > Home > ILE Home > Th. List > 6cn | GIF version | ||
| Description: The number 6 is complex. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 6cn | ⊢ 6 ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 6re 9214 | . 2 ⊢ 6 ∈ ℝ | |
| 2 | 1 | recni 8181 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 ℂcc 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 |
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