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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 9090 | . 2 ⊢ 6 ∈ ℝ | |
| 2 | 1 | recni 8057 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2167 ℂcc 7896 6c6 9064 |
| 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 df-6 9072 |
| This theorem is referenced by: 7m1e6 9133 6p2e8 9159 6p3e9 9160 halfpm6th 9230 6p4e10 9547 6t2e12 9579 6t3e18 9580 6t5e30 9582 5recm6rec 9619 efi4p 11901 ef01bndlem 11940 cos01bnd 11942 3lcm2e6woprm 12281 6lcm4e12 12282 2exp8 12631 2exp11 12632 2exp16 12633 sincos6thpi 15186 sincos3rdpi 15187 2lgslem3d 15445 2lgsoddprmlem3d 15459 ex-exp 15481 ex-bc 15483 ex-gcd 15485 |
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