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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 15036 | . 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 6491 ℂcc 11026 ℝcr 11027 ℑcim 15023 |
| 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 2183 ax-ext 2707 ax-sep 5240 ax-nul 5250 ax-pow 5309 ax-pr 5376 ax-un 7680 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 |
| 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 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3349 df-reu 3350 df-rab 3399 df-v 3441 df-sbc 3740 df-csb 3849 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-pss 3920 df-nul 4285 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4947 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5518 df-eprel 5523 df-po 5531 df-so 5532 df-fr 5576 df-we 5578 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-pred 6258 df-ord 6319 df-on 6320 df-lim 6321 df-suc 6322 df-iota 6447 df-fun 6493 df-fn 6494 df-f 6495 df-f1 6496 df-fo 6497 df-f1o 6498 df-fv 6499 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 8886 df-dom 8887 df-sdom 8888 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 12148 df-2 12210 df-cj 15024 df-re 15025 df-im 15026 |
| This theorem is referenced by: rlimrecl 15505 resincl 16067 sin01bnd 16112 recld2 24761 mbfeqa 25602 mbfss 25605 mbfmulc2re 25607 mbfadd 25620 mbfmulc2 25622 mbflim 25627 mbfmul 25685 iblcn 25758 itgcnval 25759 itgre 25760 itgim 25761 iblneg 25762 itgneg 25763 ibladd 25780 itgadd 25784 iblabs 25788 itgmulc2 25793 bddiblnc 25801 aaliou2b 26307 efif1olem3 26511 eff1olem 26515 logimclad 26539 abslogimle 26540 logrnaddcl 26541 lognegb 26557 logcj 26573 efiarg 26574 cosargd 26575 argregt0 26577 argrege0 26578 argimgt0 26579 argimlt0 26580 logimul 26581 abslogle 26585 tanarg 26586 logcnlem2 26610 logcnlem3 26611 logcnlem4 26612 logcnlem5 26613 logcn 26614 dvloglem 26615 logf1o2 26617 efopnlem1 26623 efopnlem2 26624 cxpsqrtlem 26669 abscxpbnd 26721 ang180lem2 26778 lawcos 26784 isosctrlem1 26786 isosctrlem2 26787 asinneg 26854 asinsinlem 26859 atanlogaddlem 26881 atanlogsublem 26883 atanlogsub 26884 basellem3 27051 re0cj 32802 constrconj 33881 constrimcl 33906 constrmulcl 33907 sqsscirc2 34045 ibladdnc 37847 itgaddnc 37850 iblabsnc 37854 iblmulc2nc 37855 itgmulc2nc 37858 ftc1anclem2 37864 ftc1anclem6 37868 ftc1anclem8 37870 cntotbnd 37966 isosctrlem1ALT 45211 dstregt0 45567 absimnre 45757 absimlere 45760 cnrefiisplem 46110 sigarim 47132 readdcnnred 47586 resubcnnred 47587 cndivrenred 47589 |
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