| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > 3cn | GIF version | ||
| Description: The number 3 is a complex number. (Contributed by FL, 17-Oct-2010.) |
| Ref | Expression |
|---|---|
| 3cn | ⊢ 3 ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3re 9328 | . 2 ⊢ 3 ∈ ℝ | |
| 2 | 1 | recni 8302 | 1 ⊢ 3 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 ℂcc 8141 3c3 9306 |
| 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 ax-resscn 8235 ax-1re 8237 ax-addrcl 8240 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-in 3220 df-ss 3227 df-2 9313 df-3 9314 |
| This theorem is referenced by: 3ex 9330 3m1e2 9374 4m1e3 9375 3p2e5 9396 3p3e6 9397 4p4e8 9400 5p4e9 9403 3t1e3 9410 3t2e6 9411 3t3e9 9412 8th4div3 9474 halfpm6th 9475 6p4e10 9798 9t8e72 9854 halfthird 9869 fzo0to42pr 10587 sq3 11022 expnass 11031 fac3 11119 4bc3eq4 11161 ef01bndlem 12467 sin01bnd 12468 cos01bnd 12469 cos1bnd 12470 cos2bnd 12471 cos01gt0 12474 3dvdsdec 12576 3dvds2dec 12577 5ndvds3 12645 3lcm2e6woprm 12808 2exp6 13156 2exp16 13160 cosq23lt0 15824 tangtx 15829 sincos6thpi 15833 sincos3rdpi 15834 pigt3 15835 binom4 15970 lgsdir2lem1 16027 lgsdir2lem5 16031 2lgslem3b 16093 2lgslem3d 16095 2lgsoddprmlem3c 16108 2lgsoddprmlem3d 16109 ex-exp 16621 ex-dvds 16624 ex-gcd 16625 |
| Copyright terms: Public domain | W3C validator |