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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 14470 | . 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 6355 ℂcc 10535 ℝcr 10536 ℑcim 14457 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-po 5474 df-so 5475 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-div 11298 df-2 11701 df-cj 14458 df-re 14459 df-im 14460 |
This theorem is referenced by: rlimrecl 14937 resincl 15493 sin01bnd 15538 recld2 23422 mbfeqa 24244 mbfss 24247 mbfmulc2re 24249 mbfadd 24262 mbfmulc2 24264 mbflim 24269 mbfmul 24327 iblcn 24399 itgcnval 24400 itgre 24401 itgim 24402 iblneg 24403 itgneg 24404 ibladd 24421 itgadd 24425 iblabs 24429 itgmulc2 24434 aaliou2b 24930 efif1olem3 25128 eff1olem 25132 logimclad 25156 abslogimle 25157 logrnaddcl 25158 lognegb 25173 logcj 25189 efiarg 25190 cosargd 25191 argregt0 25193 argrege0 25194 argimgt0 25195 argimlt0 25196 logimul 25197 abslogle 25201 tanarg 25202 logcnlem2 25226 logcnlem3 25227 logcnlem4 25228 logcnlem5 25229 logcn 25230 dvloglem 25231 logf1o2 25233 efopnlem1 25239 efopnlem2 25240 cxpsqrtlem 25285 abscxpbnd 25334 ang180lem2 25388 lawcos 25394 isosctrlem1 25396 isosctrlem2 25397 asinneg 25464 asinsinlem 25469 atanlogaddlem 25491 atanlogsublem 25493 atanlogsub 25494 basellem3 25660 sqsscirc2 31152 ibladdnc 34964 itgaddnc 34967 iblabsnc 34971 iblmulc2nc 34972 itgmulc2nc 34975 bddiblnc 34977 ftc1anclem2 34983 ftc1anclem6 34987 ftc1anclem8 34989 cntotbnd 35089 isosctrlem1ALT 41288 dstregt0 41567 absimnre 41773 absimlere 41776 cnrefiisplem 42130 sigarim 43128 readdcnnred 43523 resubcnnred 43524 cndivrenred 43526 |
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