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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 10068 irec 11097 i2 11098 i3 11099 i4 11100 iexpcyc 11102 imval 11637 imre 11638 reim 11639 crre 11644 crim 11645 remim 11647 mulreap 11651 cjreb 11653 recj 11654 reneg 11655 readd 11656 remullem 11658 imcj 11662 imneg 11663 imadd 11664 cjadd 11671 cjneg 11677 imval2 11681 sq01 11682 rei 11687 imi 11688 cji 11690 cjreim 11691 cjreim2 11692 cjap 11694 cnrecnv 11698 rennim 11790 absi 11847 absreimsq 11855 absreim 11856 absimle 11873 climcvg1nlem 12140 sinval 12494 cosval 12495 sinf 12496 cosf 12497 tanval2ap 12505 tanval3ap 12506 resinval 12507 recosval 12508 efi4p 12509 resin4p 12510 recos4p 12511 resincl 12512 recoscl 12513 sinneg 12518 cosneg 12519 efival 12524 efmival 12525 efeul 12526 sinadd 12528 cosadd 12529 ef01bndlem 12548 sin01bnd 12549 cos01bnd 12550 absef 12562 absefib 12563 efieq1re 12564 demoivre 12565 demoivreALT 12566 igz 13182 4sqlem17 13215 cnrehmeocntop 15836 sincn 15995 coscn 15996 efhalfpi 16026 ef2kpi 16033 efper 16034 sinperlem 16035 efimpi 16046 sineq0re 16076 root1idef 16084 efnthr 16176 2sqlem2 16439 qdencn 17278 |
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