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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 15110 | . 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 2132 ‘cfv 6506 ℂcc 11057 ℝcr 11058 ℑcim 15097 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 ax-pre-mulgt0 11136 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-rmo 3357 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-er 8662 df-en 8913 df-dom 8914 df-sdom 8915 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-sub 11402 df-neg 11403 df-div 11831 df-nn 12197 df-2 12266 df-cj 15098 df-re 15099 df-im 15100 |
| This theorem is referenced by: rlimrecl 15579 resincl 16144 sin01bnd 16189 recld2 24844 mbfeqa 25674 mbfss 25677 mbfmulc2re 25679 mbfadd 25692 mbfmulc2 25694 mbflim 25699 mbfmul 25757 iblcn 25830 itgcnval 25831 itgre 25832 itgim 25833 iblneg 25834 itgneg 25835 ibladd 25852 itgadd 25856 iblabs 25860 itgmulc2 25865 bddiblnc 25873 aaliou2b 26371 efif1olem3 26575 eff1olem 26579 logimclad 26603 abslogimle 26604 logrnaddcl 26605 lognegb 26621 logcj 26637 efiarg 26638 cosargd 26639 argregt0 26641 argrege0 26642 argimgt0 26643 argimlt0 26644 logimul 26645 abslogle 26649 tanarg 26650 logcnlem2 26674 logcnlem3 26675 logcnlem4 26676 logcnlem5 26677 logcn 26678 dvloglem 26679 logf1o2 26681 efopnlem1 26687 efopnlem2 26688 cxpsqrtlem 26733 abscxpbnd 26784 ang180lem2 26841 lawcos 26847 isosctrlem1 26849 isosctrlem2 26850 asinneg 26917 asinsinlem 26922 atanlogaddlem 26944 atanlogsublem 26946 atanlogsub 26947 basellem3 27113 re0cj 32884 constrconj 33986 constrimcl 34011 constrmulcl 34012 sqsscirc2 34150 ibladdnc 38114 itgaddnc 38117 iblabsnc 38121 iblmulc2nc 38122 itgmulc2nc 38125 ftc1anclem2 38131 ftc1anclem6 38135 ftc1anclem8 38137 cntotbnd 38233 isosctrlem1ALT 45447 dstregt0 45799 absimnre 45988 absimlere 45991 cnrefiisplem 46341 sigarim 47363 readdcnnred 47835 resubcnnred 47836 cndivrenred 47838 |
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