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| Mirrors > Home > MPE Home > Th. List > negicn | Structured version Visualization version GIF version | ||
| Description: -i is a complex number. (Contributed by David A. Wheeler, 7-Dec-2018.) |
| Ref | Expression |
|---|---|
| negicn | ⊢ -i ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-icn 11134 | . 2 ⊢ i ∈ ℂ | |
| 2 | negcl 11432 | . 2 ⊢ (i ∈ ℂ → -i ∈ ℂ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ -i ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2144 ℂcc 11073 ici 11077 -cneg 11417 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5103 df-opab 5165 df-mpt 5184 df-id 5544 df-po 5557 df-so 5558 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-riota 7355 df-ov 7401 df-oprab 7402 df-mpo 7403 df-er 8680 df-en 8930 df-dom 8931 df-sdom 8932 df-pnf 11220 df-mnf 11221 df-ltxr 11223 df-sub 11418 df-neg 11419 |
| This theorem is referenced by: irec 14216 imcl 15140 absimle 15338 recan 15366 sinf 16158 cosf 16159 tanval2 16167 tanval3 16168 efi4p 16171 sinneg 16180 cosneg 16181 efival 16186 sinhval 16188 coshval 16189 sinadd 16198 cosadd 16199 cphipval2 25305 dvsincos 26045 sincn 26509 coscn 26510 sinperlem 26547 pige3ALT 26587 sineq0 26591 tanregt0 26606 asinlem3a 26937 asinf 26939 asinneg 26953 efiasin 26955 sinasin 26956 asinsinlem 26958 asinsin 26959 asin1 26961 2efiatan 26985 dvatan 27002 atantayl 27004 nvpi 30872 ipval2 30912 4ipval2 30913 ipidsq 30915 dipcj 30919 dip0r 30922 ipasslem10 31044 polid2i 31362 dvasin 38208 areacirclem4 38215 sineq0ALT 45517 |
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