| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 9202 | . 2 ⊢ 6 ∈ ℝ | |
| 2 | 1 | recni 8169 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 ℂcc 8008 6c6 9176 |
| 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 8102 ax-1re 8104 ax-addrcl 8107 |
| 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 3203 df-ss 3210 df-2 9180 df-3 9181 df-4 9182 df-5 9183 df-6 9184 |
| This theorem is referenced by: 7m1e6 9245 6p2e8 9271 6p3e9 9272 halfpm6th 9342 6p4e10 9660 6t2e12 9692 6t3e18 9693 6t5e30 9695 5recm6rec 9732 efi4p 12243 ef01bndlem 12282 cos01bnd 12284 3lcm2e6woprm 12623 6lcm4e12 12624 2exp8 12973 2exp11 12974 2exp16 12975 sincos6thpi 15531 sincos3rdpi 15532 2lgslem3d 15790 2lgsoddprmlem3d 15804 ex-exp 16146 ex-bc 16148 ex-gcd 16150 |
| Copyright terms: Public domain | W3C validator |