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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 9145 |
. 2
| |
| 2 | 1 | recni 8119 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-11 1530 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2189 ax-resscn 8052 ax-1re 8054 ax-addrcl 8057 |
| This theorem depends on definitions: df-bi 117 df-nf 1485 df-sb 1787 df-clab 2194 df-cleq 2200 df-clel 2203 df-in 3180 df-ss 3187 df-2 9130 df-3 9131 |
| This theorem is referenced by: 3ex 9147 3m1e2 9191 4m1e3 9192 3p2e5 9213 3p3e6 9214 4p4e8 9217 5p4e9 9220 3t1e3 9227 3t2e6 9228 3t3e9 9229 8th4div3 9291 halfpm6th 9292 6p4e10 9610 9t8e72 9666 halfthird 9681 fzo0to42pr 10386 sq3 10818 expnass 10827 fac3 10914 4bc3eq4 10955 ef01bndlem 12182 sin01bnd 12183 cos01bnd 12184 cos1bnd 12185 cos2bnd 12186 cos01gt0 12189 3dvdsdec 12291 3dvds2dec 12292 5ndvds3 12360 3lcm2e6woprm 12523 2exp6 12871 2exp16 12875 cosq23lt0 15420 tangtx 15425 sincos6thpi 15429 sincos3rdpi 15430 pigt3 15431 binom4 15566 lgsdir2lem1 15620 lgsdir2lem5 15624 2lgslem3b 15686 2lgslem3d 15688 2lgsoddprmlem3c 15701 2lgsoddprmlem3d 15702 ex-exp 15863 ex-dvds 15866 ex-gcd 15867 |
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