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| Mirrors > Home > ILE Home > Th. List > ax-icn | GIF version | ||
| Description: i is a complex number. Axiom for real and complex numbers, justified by Theorem axicn 8236. (Contributed by NM, 1-Mar-1995.) |
| Ref | Expression |
|---|---|
| ax-icn | ⊢ i ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ci 8187 | . 2 class i | |
| 2 | cc 8183 | . 2 class ℂ | |
| 3 | 1, 2 | wcel 2209 | 1 wff i ∈ ℂ |
| Colors of variables: wff set class |
| This axiom is used by: 0cn 8324 mulrid 8329 cnegexlem2 8509 cnegex 8511 0cnALT 8523 negicn 8534 ine0 8728 ixi 8919 rimul 8921 rereim 8922 apreap 8923 cru 8938 apreim 8939 mulreim 8940 apadd1 8944 apneg 8947 aprcl 8982 aptap 8986 recextlem1 8987 recexaplem2 8988 recexap 8989 crap0 9296 cju 9299 it0e0 9537 2mulicn 9538 iap0 9539 2muliap0 9540 cnref1o 10067 irec 11096 i2 11097 i3 11098 i4 11099 iexpcyc 11101 imval 11636 imre 11637 reim 11638 crre 11643 crim 11644 remim 11646 mulreap 11650 cjreb 11652 recj 11653 reneg 11654 readd 11655 remullem 11657 imcj 11661 imneg 11662 imadd 11663 cjadd 11670 cjneg 11676 imval2 11680 sq01 11681 rei 11686 imi 11687 cji 11689 cjreim 11690 cjreim2 11691 cjap 11693 cnrecnv 11697 rennim 11789 absi 11846 absreimsq 11854 absreim 11855 absimle 11872 climcvg1nlem 12139 sinval 12493 cosval 12494 sinf 12495 cosf 12496 tanval2ap 12504 tanval3ap 12505 resinval 12506 recosval 12507 efi4p 12508 resin4p 12509 recos4p 12510 resincl 12511 recoscl 12512 sinneg 12517 cosneg 12518 efival 12523 efmival 12524 efeul 12525 sinadd 12527 cosadd 12528 ef01bndlem 12547 sin01bnd 12548 cos01bnd 12549 absef 12561 absefib 12562 efieq1re 12563 demoivre 12564 demoivreALT 12565 igz 13181 4sqlem17 13214 cnrehmeocntop 15853 sincn 16012 coscn 16013 efhalfpi 16043 ef2kpi 16050 efper 16051 sinperlem 16052 efimpi 16063 sineq0re 16093 root1idef 16101 efnthr 16193 2sqlem2 16456 qdencn 17295 |
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