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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 8700 |
. 2
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2 | 1 | recni 7702 |
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 105 ax-ia2 106 ax-ia3 107 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-11 1467 ax-4 1470 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-resscn 7637 ax-1re 7639 ax-addrcl 7642 |
This theorem depends on definitions: df-bi 116 df-nf 1420 df-sb 1719 df-clab 2102 df-cleq 2108 df-clel 2111 df-in 3043 df-ss 3050 df-2 8689 |
This theorem is referenced by: 2ex 8702 2cnd 8703 2m1e1 8748 3m1e2 8750 2p2e4 8751 times2 8753 2div2e1 8756 1p2e3 8758 3p3e6 8766 4p3e7 8768 5p3e8 8771 6p3e9 8774 2t1e2 8777 2t2e4 8778 3t3e9 8781 2t0e0 8783 4d2e2 8784 2cnne0 8833 1mhlfehlf 8842 8th4div3 8843 halfpm6th 8844 2mulicn 8846 2muliap0 8848 halfcl 8850 half0 8852 2halves 8853 halfaddsub 8858 div4p1lem1div2 8877 3halfnz 9052 zneo 9056 nneoor 9057 zeo 9060 7p3e10 9160 4t4e16 9184 6t3e18 9190 7t7e49 9199 8t5e40 9203 9t9e81 9214 decbin0 9225 decbin2 9226 fztpval 9756 fz0tp 9794 fzo0to3tp 9889 2tnp1ge0ge0 9967 expubnd 10243 sq2 10281 sq4e2t8 10283 cu2 10284 subsq2 10293 binom2sub 10298 binom3 10302 zesq 10303 fac2 10370 fac3 10371 faclbnd2 10381 bcn2 10403 4bc2eq6 10413 crre 10522 addcj 10556 imval2 10559 resqrexlemover 10674 resqrexlemcalc1 10678 resqrexlemnm 10682 resqrexlemcvg 10683 amgm2 10782 arisum 11159 arisum2 11160 geo2sum2 11176 geo2lim 11177 geoihalfsum 11183 efcllemp 11215 ege2le3 11228 tanval2ap 11271 tanval3ap 11272 efi4p 11275 efival 11290 sinadd 11294 cosadd 11295 sinmul 11302 cosmul 11303 cos2tsin 11309 ef01bndlem 11314 sin01bnd 11315 cos01bnd 11316 cos1bnd 11317 cos2bnd 11318 cos01gt0 11320 sin02gt0 11321 sin4lt0 11324 egt2lt3 11334 odd2np1lem 11417 odd2np1 11418 ltoddhalfle 11438 halfleoddlt 11439 opoe 11440 omoe 11441 opeo 11442 omeo 11443 nno 11451 nn0o 11452 flodddiv4 11479 6gcd4e2 11529 3lcm2e6woprm 11613 6lcm4e12 11614 sqrt2irrlem 11685 oddpwdclemodd 11695 ex-fl 12630 ex-ceil 12631 ex-exp 12632 ex-fac 12633 |
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