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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 11097 | . 2 ⊢ i ∈ ℂ | |
| 2 | negcl 11393 | . 2 ⊢ (i ∈ ℂ → -i ∈ ℂ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ -i ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 ℂcc 11036 ici 11040 -cneg 11378 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-po 5539 df-so 5540 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-ltxr 11184 df-sub 11379 df-neg 11380 |
| This theorem is referenced by: irec 14163 imcl 15073 absimle 15271 recan 15299 sinf 16091 cosf 16092 tanval2 16100 tanval3 16101 efi4p 16104 sinneg 16113 cosneg 16114 efival 16119 sinhval 16121 coshval 16122 sinadd 16131 cosadd 16132 cphipval2 25208 dvsincos 25948 sincn 26409 coscn 26410 sinperlem 26444 pige3ALT 26484 sineq0 26488 tanregt0 26503 asinlem3a 26834 asinf 26836 asinneg 26850 efiasin 26852 sinasin 26853 asinsinlem 26855 asinsin 26856 asin1 26858 2efiatan 26882 dvatan 26899 atantayl 26901 nvpi 30738 ipval2 30778 4ipval2 30779 ipidsq 30781 dipcj 30785 dip0r 30788 ipasslem10 30910 polid2i 31228 dvasin 38025 areacirclem4 38032 sineq0ALT 45363 |
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