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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 14469 | . 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 2110 ‘cfv 6354 ℂcc 10534 ℝcr 10535 ℑcim 14456 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5202 ax-nul 5209 ax-pow 5265 ax-pr 5329 ax-un 7460 ax-resscn 10593 ax-1cn 10594 ax-icn 10595 ax-addcl 10596 ax-addrcl 10597 ax-mulcl 10598 ax-mulrcl 10599 ax-mulcom 10600 ax-addass 10601 ax-mulass 10602 ax-distr 10603 ax-i2m1 10604 ax-1ne0 10605 ax-1rid 10606 ax-rnegex 10607 ax-rrecex 10608 ax-cnre 10609 ax-pre-lttri 10610 ax-pre-lttrn 10611 ax-pre-ltadd 10612 ax-pre-mulgt0 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 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 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4567 df-pr 4569 df-op 4573 df-uni 4838 df-br 5066 df-opab 5128 df-mpt 5146 df-id 5459 df-po 5473 df-so 5474 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-dm 5564 df-rn 5565 df-res 5566 df-ima 5567 df-iota 6313 df-fun 6356 df-fn 6357 df-f 6358 df-f1 6359 df-fo 6360 df-f1o 6361 df-fv 6362 df-riota 7113 df-ov 7158 df-oprab 7159 df-mpo 7160 df-er 8288 df-en 8509 df-dom 8510 df-sdom 8511 df-pnf 10676 df-mnf 10677 df-xr 10678 df-ltxr 10679 df-le 10680 df-sub 10871 df-neg 10872 df-div 11297 df-2 11699 df-cj 14457 df-re 14458 df-im 14459 |
This theorem is referenced by: rlimrecl 14936 resincl 15492 sin01bnd 15537 recld2 23421 mbfeqa 24243 mbfss 24246 mbfmulc2re 24248 mbfadd 24261 mbfmulc2 24263 mbflim 24268 mbfmul 24326 iblcn 24398 itgcnval 24399 itgre 24400 itgim 24401 iblneg 24402 itgneg 24403 ibladd 24420 itgadd 24424 iblabs 24428 itgmulc2 24433 aaliou2b 24929 efif1olem3 25127 eff1olem 25131 logimclad 25155 abslogimle 25156 logrnaddcl 25157 lognegb 25172 logcj 25188 efiarg 25189 cosargd 25190 argregt0 25192 argrege0 25193 argimgt0 25194 argimlt0 25195 logimul 25196 abslogle 25200 tanarg 25201 logcnlem2 25225 logcnlem3 25226 logcnlem4 25227 logcnlem5 25228 logcn 25229 dvloglem 25230 logf1o2 25232 efopnlem1 25238 efopnlem2 25239 cxpsqrtlem 25284 abscxpbnd 25333 ang180lem2 25387 lawcos 25393 isosctrlem1 25395 isosctrlem2 25396 asinneg 25463 asinsinlem 25468 atanlogaddlem 25490 atanlogsublem 25492 atanlogsub 25493 basellem3 25659 sqsscirc2 31152 ibladdnc 34948 itgaddnc 34951 iblabsnc 34955 iblmulc2nc 34956 itgmulc2nc 34959 bddiblnc 34961 ftc1anclem2 34967 ftc1anclem6 34971 ftc1anclem8 34973 cntotbnd 35073 isosctrlem1ALT 41266 dstregt0 41545 absimnre 41751 absimlere 41754 cnrefiisplem 42108 sigarim 43107 readdcnnred 43502 resubcnnred 43503 cndivrenred 43505 |
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