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| Mirrors > Home > ILE Home > Th. List > 3cn | Unicode version | ||
| Description: The number 3 is a complex number. (Contributed by FL, 17-Oct-2010.) |
| Ref | Expression |
|---|---|
| 3cn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3re 9378 |
. 2
| |
| 2 | 1 | recni 8338 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 df-2 9363 df-3 9364 |
| This theorem is used by: 3ex 9380 3m1e2 9424 4m1e3 9425 3p2e5 9446 3p3e6 9447 4p4e8 9450 5p4e9 9453 3t1e3 9460 3t2e6 9461 3t3e9 9462 8th4div3 9524 halfpm6th 9525 6p4e10 9848 9t8e72 9904 halfthird 9919 fzo0to42pr 10638 sq3 11073 expnass 11082 fac3 11170 4bc3eq4 11212 ef01bndlem 12523 sin01bnd 12524 cos01bnd 12525 cos1bnd 12526 cos2bnd 12527 cos01gt0 12530 3dvdsdec 12632 3dvds2dec 12633 5ndvds3 12701 3lcm2e6woprm 12864 2exp6 13212 2exp16 13216 cosq23lt0 15934 tangtx 15939 sincos6thpi 15943 sincos3rdpi 15944 pigt3 15945 binom4 16081 log2tlbndlog2 16082 log2ublem2 16084 log2ublem3 16085 log2ublog2 16086 lgsdir2lem1 16147 lgsdir2lem5 16151 2lgslem3b 16213 2lgslem3d 16215 2lgsoddprmlem3c 16228 2lgsoddprmlem3d 16229 ex-exp 16741 ex-dvds 16744 ex-gcd 16745 |
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