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Mirrors > Home > ILE Home > Th. List > 2cn | Unicode version |
Description: The number 2 is a complex number. (Contributed by NM, 30-Jul-2004.) |
Ref | Expression |
---|---|
2cn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2re 8212 |
. 2
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2 | 1 | recni 7229 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-11 1438 ax-4 1441 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2065 ax-resscn 7166 ax-1re 7168 ax-addrcl 7171 |
This theorem depends on definitions: df-bi 115 df-nf 1391 df-sb 1688 df-clab 2070 df-cleq 2076 df-clel 2079 df-in 2989 df-ss 2996 df-2 8201 |
This theorem is referenced by: 2ex 8214 2cnd 8215 2m1e1 8259 3m1e2 8261 2p2e4 8262 times2 8264 2div2e1 8267 1p2e3 8269 3p3e6 8277 4p3e7 8279 5p3e8 8282 6p3e9 8285 2t1e2 8288 2t2e4 8289 3t3e9 8292 2t0e0 8294 4d2e2 8295 2cnne0 8343 1mhlfehlf 8352 8th4div3 8353 halfpm6th 8354 2mulicn 8356 2muliap0 8358 halfcl 8360 half0 8362 2halves 8363 halfaddsub 8368 div4p1lem1div2 8387 3halfnz 8561 zneo 8565 nneoor 8566 zeo 8569 7p3e10 8668 4t4e16 8692 6t3e18 8698 7t7e49 8707 8t5e40 8711 9t9e81 8722 decbin0 8733 decbin2 8734 fztpval 9212 fz0tp 9248 fzo0to3tp 9341 2tnp1ge0ge0 9419 expubnd 9666 sq2 9704 cu2 9706 subsq2 9715 binom2sub 9720 binom3 9723 zesq 9724 fac2 9791 fac3 9792 faclbnd2 9802 bcn2 9824 4bc2eq6 9834 crre 9929 addcj 9963 imval2 9966 resqrexlemover 10081 resqrexlemcalc1 10085 resqrexlemnm 10089 resqrexlemcvg 10090 amgm2 10189 odd2np1lem 10463 odd2np1 10464 ltoddhalfle 10484 halfleoddlt 10485 opoe 10486 omoe 10487 opeo 10488 omeo 10489 nno 10497 nn0o 10498 flodddiv4 10525 6gcd4e2 10575 3lcm2e6woprm 10659 6lcm4e12 10660 sqrt2irrlem 10731 oddpwdclemodd 10741 ex-fl 10807 ex-ceil 10808 ex-fac 10809 |
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