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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 15039 | . 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 6493 ℂcc 11029 ℝcr 11030 ℑcim 15026 |
| 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 2709 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7683 ax-resscn 11088 ax-1cn 11089 ax-icn 11090 ax-addcl 11091 ax-addrcl 11092 ax-mulcl 11093 ax-mulrcl 11094 ax-mulcom 11095 ax-addass 11096 ax-mulass 11097 ax-distr 11098 ax-i2m1 11099 ax-1ne0 11100 ax-1rid 11101 ax-rnegex 11102 ax-rrecex 11103 ax-cnre 11104 ax-pre-lttri 11105 ax-pre-lttrn 11106 ax-pre-ltadd 11107 ax-pre-mulgt0 11108 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-2nd 7937 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-pnf 11173 df-mnf 11174 df-xr 11175 df-ltxr 11176 df-le 11177 df-sub 11371 df-neg 11372 df-div 11800 df-nn 12151 df-2 12213 df-cj 15027 df-re 15028 df-im 15029 |
| This theorem is referenced by: rlimrecl 15508 resincl 16070 sin01bnd 16115 recld2 24764 mbfeqa 25605 mbfss 25608 mbfmulc2re 25610 mbfadd 25623 mbfmulc2 25625 mbflim 25630 mbfmul 25688 iblcn 25761 itgcnval 25762 itgre 25763 itgim 25764 iblneg 25765 itgneg 25766 ibladd 25783 itgadd 25787 iblabs 25791 itgmulc2 25796 bddiblnc 25804 aaliou2b 26310 efif1olem3 26514 eff1olem 26518 logimclad 26542 abslogimle 26543 logrnaddcl 26544 lognegb 26560 logcj 26576 efiarg 26577 cosargd 26578 argregt0 26580 argrege0 26581 argimgt0 26582 argimlt0 26583 logimul 26584 abslogle 26588 tanarg 26589 logcnlem2 26613 logcnlem3 26614 logcnlem4 26615 logcnlem5 26616 logcn 26617 dvloglem 26618 logf1o2 26620 efopnlem1 26626 efopnlem2 26627 cxpsqrtlem 26672 abscxpbnd 26724 ang180lem2 26781 lawcos 26787 isosctrlem1 26789 isosctrlem2 26790 asinneg 26857 asinsinlem 26862 atanlogaddlem 26884 atanlogsublem 26886 atanlogsub 26887 basellem3 27054 re0cj 32826 constrconj 33915 constrimcl 33940 constrmulcl 33941 sqsscirc2 34079 ibladdnc 37891 itgaddnc 37894 iblabsnc 37898 iblmulc2nc 37899 itgmulc2nc 37902 ftc1anclem2 37908 ftc1anclem6 37912 ftc1anclem8 37914 cntotbnd 38010 isosctrlem1ALT 45252 dstregt0 45607 absimnre 45797 absimlere 45800 cnrefiisplem 46150 sigarim 47172 readdcnnred 47626 resubcnnred 47627 cndivrenred 47629 |
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