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Mirrors > Home > MPE Home > Th. List > cji | Structured version Visualization version GIF version |
Description: The complex conjugate of the imaginary unit. (Contributed by NM, 26-Mar-2005.) |
Ref | Expression |
---|---|
cji | ⊢ (∗‘i) = -i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rei 14507 | . . 3 ⊢ (ℜ‘i) = 0 | |
2 | imi 14508 | . . . . 5 ⊢ (ℑ‘i) = 1 | |
3 | 2 | oveq2i 7146 | . . . 4 ⊢ (i · (ℑ‘i)) = (i · 1) |
4 | ax-icn 10585 | . . . . 5 ⊢ i ∈ ℂ | |
5 | 4 | mulid1i 10634 | . . . 4 ⊢ (i · 1) = i |
6 | 3, 5 | eqtri 2821 | . . 3 ⊢ (i · (ℑ‘i)) = i |
7 | 1, 6 | oveq12i 7147 | . 2 ⊢ ((ℜ‘i) − (i · (ℑ‘i))) = (0 − i) |
8 | remim 14468 | . . 3 ⊢ (i ∈ ℂ → (∗‘i) = ((ℜ‘i) − (i · (ℑ‘i)))) | |
9 | 4, 8 | ax-mp 5 | . 2 ⊢ (∗‘i) = ((ℜ‘i) − (i · (ℑ‘i))) |
10 | df-neg 10862 | . 2 ⊢ -i = (0 − i) | |
11 | 7, 9, 10 | 3eqtr4i 2831 | 1 ⊢ (∗‘i) = -i |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ∈ wcel 2111 ‘cfv 6324 (class class class)co 7135 ℂcc 10524 0cc0 10526 1c1 10527 ici 10528 · cmul 10531 − cmin 10859 -cneg 10860 ∗ccj 14447 ℜcre 14448 ℑcim 14449 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-po 5438 df-so 5439 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-div 11287 df-2 11688 df-cj 14450 df-re 14451 df-im 14452 |
This theorem is referenced by: cjreim 14511 absi 14638 resinval 15480 recosval 15481 cphassir 23820 cosargd 25199 1cubrlem 25427 atancj 25496 ipasslem10 28622 polid2i 28940 lnophmlem2 29800 |
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