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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 11428 | . 2 ⊢ (i ∈ ℂ → -i ∈ ℂ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ -i ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2109 ℂcc 11073 ici 11077 -cneg 11413 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 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 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-nel 3031 df-ral 3046 df-rex 3055 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-br 5111 df-opab 5173 df-mpt 5192 df-id 5536 df-po 5549 df-so 5550 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-er 8674 df-en 8922 df-dom 8923 df-sdom 8924 df-pnf 11217 df-mnf 11218 df-ltxr 11220 df-sub 11414 df-neg 11415 |
| This theorem is referenced by: irec 14173 imcl 15084 absimle 15282 recan 15310 sinf 16099 cosf 16100 tanval2 16108 tanval3 16109 efi4p 16112 sinneg 16121 cosneg 16122 efival 16127 sinhval 16129 coshval 16130 sinadd 16139 cosadd 16140 cphipval2 25148 dvsincos 25892 sincn 26361 coscn 26362 sinperlem 26396 pige3ALT 26436 sineq0 26440 tanregt0 26455 asinlem3a 26787 asinf 26789 asinneg 26803 efiasin 26805 sinasin 26806 asinsinlem 26808 asinsin 26809 asin1 26811 2efiatan 26835 dvatan 26852 atantayl 26854 nvpi 30603 ipval2 30643 4ipval2 30644 ipidsq 30646 dipcj 30650 dip0r 30653 ipasslem10 30775 polid2i 31093 dvasin 37705 areacirclem4 37712 sineq0ALT 44933 |
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