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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 15034 | . 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 2113 ‘cfv 6492 ℂcc 11024 ℝcr 11025 ℑcim 15021 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 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 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-div 11795 df-nn 12146 df-2 12208 df-cj 15022 df-re 15023 df-im 15024 |
| This theorem is referenced by: rlimrecl 15503 resincl 16065 sin01bnd 16110 recld2 24759 mbfeqa 25600 mbfss 25603 mbfmulc2re 25605 mbfadd 25618 mbfmulc2 25620 mbflim 25625 mbfmul 25683 iblcn 25756 itgcnval 25757 itgre 25758 itgim 25759 iblneg 25760 itgneg 25761 ibladd 25778 itgadd 25782 iblabs 25786 itgmulc2 25791 bddiblnc 25799 aaliou2b 26305 efif1olem3 26509 eff1olem 26513 logimclad 26537 abslogimle 26538 logrnaddcl 26539 lognegb 26555 logcj 26571 efiarg 26572 cosargd 26573 argregt0 26575 argrege0 26576 argimgt0 26577 argimlt0 26578 logimul 26579 abslogle 26583 tanarg 26584 logcnlem2 26608 logcnlem3 26609 logcnlem4 26610 logcnlem5 26611 logcn 26612 dvloglem 26613 logf1o2 26615 efopnlem1 26621 efopnlem2 26622 cxpsqrtlem 26667 abscxpbnd 26719 ang180lem2 26776 lawcos 26782 isosctrlem1 26784 isosctrlem2 26785 asinneg 26852 asinsinlem 26857 atanlogaddlem 26879 atanlogsublem 26881 atanlogsub 26882 basellem3 27049 re0cj 32823 constrconj 33902 constrimcl 33927 constrmulcl 33928 sqsscirc2 34066 ibladdnc 37878 itgaddnc 37881 iblabsnc 37885 iblmulc2nc 37886 itgmulc2nc 37889 ftc1anclem2 37895 ftc1anclem6 37899 ftc1anclem8 37901 cntotbnd 37997 isosctrlem1ALT 45174 dstregt0 45530 absimnre 45720 absimlere 45723 cnrefiisplem 46073 sigarim 47095 readdcnnred 47549 resubcnnred 47550 cndivrenred 47552 |
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