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| Mirrors > Home > MPE Home > Th. List > imcld | Structured version Visualization version GIF version | ||
| Description: The imaginary part of a complex number is real (closure law). (Contributed by Mario Carneiro, 29-May-2016.) |
| Ref | Expression |
|---|---|
| recld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| imcld | ⊢ (𝜑 → (ℑ‘𝐴) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | recld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | imcl 15062 | . 2 ⊢ (𝐴 ∈ ℂ → (ℑ‘𝐴) ∈ ℝ) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (ℑ‘𝐴) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ‘cfv 6487 ℂcc 11025 ℝcr 11026 ℑcim 15049 |
| 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 2184 ax-ext 2707 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| 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 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3060 df-rmo 3340 df-reu 3341 df-rab 3388 df-v 3429 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-tr 5182 df-id 5515 df-eprel 5520 df-po 5528 df-so 5529 df-fr 5573 df-we 5575 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-frecs 8220 df-wrecs 8251 df-recs 8300 df-rdg 8338 df-er 8632 df-en 8883 df-dom 8884 df-sdom 8885 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-div 11797 df-nn 12164 df-2 12233 df-cj 15050 df-re 15051 df-im 15052 |
| This theorem is referenced by: rlimrecl 15531 resincl 16096 sin01bnd 16141 recld2 24768 mbfeqa 25598 mbfss 25601 mbfmulc2re 25603 mbfadd 25616 mbfmulc2 25618 mbflim 25623 mbfmul 25681 iblcn 25754 itgcnval 25755 itgre 25756 itgim 25757 iblneg 25758 itgneg 25759 ibladd 25776 itgadd 25780 iblabs 25784 itgmulc2 25789 bddiblnc 25797 aaliou2b 26295 efif1olem3 26496 eff1olem 26500 logimclad 26524 abslogimle 26525 logrnaddcl 26526 lognegb 26542 logcj 26558 efiarg 26559 cosargd 26560 argregt0 26562 argrege0 26563 argimgt0 26564 argimlt0 26565 logimul 26566 abslogle 26570 tanarg 26571 logcnlem2 26595 logcnlem3 26596 logcnlem4 26597 logcnlem5 26598 logcn 26599 dvloglem 26600 logf1o2 26602 efopnlem1 26608 efopnlem2 26609 cxpsqrtlem 26654 abscxpbnd 26705 ang180lem2 26762 lawcos 26768 isosctrlem1 26770 isosctrlem2 26771 asinneg 26838 asinsinlem 26843 atanlogaddlem 26865 atanlogsublem 26867 atanlogsub 26868 basellem3 27034 re0cj 32804 constrconj 33877 constrimcl 33902 constrmulcl 33903 sqsscirc2 34041 ibladdnc 37986 itgaddnc 37989 iblabsnc 37993 iblmulc2nc 37994 itgmulc2nc 37997 ftc1anclem2 38003 ftc1anclem6 38007 ftc1anclem8 38009 cntotbnd 38105 isosctrlem1ALT 45348 dstregt0 45703 absimnre 45892 absimlere 45895 cnrefiisplem 46245 sigarim 47267 readdcnnred 47739 resubcnnred 47740 cndivrenred 47742 |
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