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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 14750 | . 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 2108 ‘cfv 6418 ℂcc 10800 ℝcr 10801 ℑcim 14737 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-po 5494 df-so 5495 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-2 11966 df-cj 14738 df-re 14739 df-im 14740 |
This theorem is referenced by: rlimrecl 15217 resincl 15777 sin01bnd 15822 recld2 23883 mbfeqa 24712 mbfss 24715 mbfmulc2re 24717 mbfadd 24730 mbfmulc2 24732 mbflim 24737 mbfmul 24796 iblcn 24868 itgcnval 24869 itgre 24870 itgim 24871 iblneg 24872 itgneg 24873 ibladd 24890 itgadd 24894 iblabs 24898 itgmulc2 24903 bddiblnc 24911 aaliou2b 25406 efif1olem3 25605 eff1olem 25609 logimclad 25633 abslogimle 25634 logrnaddcl 25635 lognegb 25650 logcj 25666 efiarg 25667 cosargd 25668 argregt0 25670 argrege0 25671 argimgt0 25672 argimlt0 25673 logimul 25674 abslogle 25678 tanarg 25679 logcnlem2 25703 logcnlem3 25704 logcnlem4 25705 logcnlem5 25706 logcn 25707 dvloglem 25708 logf1o2 25710 efopnlem1 25716 efopnlem2 25717 cxpsqrtlem 25762 abscxpbnd 25811 ang180lem2 25865 lawcos 25871 isosctrlem1 25873 isosctrlem2 25874 asinneg 25941 asinsinlem 25946 atanlogaddlem 25968 atanlogsublem 25970 atanlogsub 25971 basellem3 26137 sqsscirc2 31761 ibladdnc 35761 itgaddnc 35764 iblabsnc 35768 iblmulc2nc 35769 itgmulc2nc 35772 ftc1anclem2 35778 ftc1anclem6 35782 ftc1anclem8 35784 cntotbnd 35881 isosctrlem1ALT 42443 dstregt0 42709 absimnre 42907 absimlere 42910 cnrefiisplem 43260 sigarim 44254 readdcnnred 44683 resubcnnred 44684 cndivrenred 44686 |
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