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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 15201 | . 2 ⊢ (𝐴 ∈ ℂ → (ℑ‘𝐴) ∈ ℝ) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (ℑ‘𝐴) ∈ ℝ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ‘cfv 6533 ℂcc 11125 ℝcr 11126 ℑcim 15188 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-div 11899 df-nn 12261 df-2 12330 df-cj 15189 df-re 15190 df-im 15191 |
| This theorem is used by: rlimrecl 15670 resincl 16231 sin01bnd 16276 recld2 25044 mbfeqa 25874 mbfss 25877 mbfmulc2re 25879 mbfadd 25892 mbfmulc2 25894 mbflim 25899 mbfmul 25957 iblcn 26029 itgcnval 26030 itgre 26031 itgim 26032 iblneg 26033 itgneg 26034 ibladd 26051 itgadd 26055 iblabs 26059 itgmulc2 26064 bddiblnc 26072 aaliou2b 26580 efif1olem3 26784 eff1olem 26788 logimclad 26812 abslogimle 26813 logrnaddcl 26814 lognegb 26830 logcj 26846 efiarg 26847 cosargd 26848 argregt0 26850 argrege0 26851 argimgt0 26852 argimlt0 26853 logimul 26854 abslogle 26858 tanarg 26859 logcnlem2 26883 logcnlem3 26884 logcnlem4 26885 logcnlem5 26886 logcn 26887 dvloglem 26888 logf1o2 26890 efopnlem1 26896 efopnlem2 26897 cxpsqrtlem 26942 abscxpbnd 26993 ang180lem2 27050 lawcos 27056 isosctrlem1 27058 isosctrlem2 27059 asinneg 27126 asinsinlem 27131 atanlogaddlem 27153 atanlogsublem 27155 atanlogsub 27156 basellem3 27322 re0cj 33217 constrconj 34258 constrimcl 34283 constrmulcl 34284 sqsscirc2 34422 ibladdnc 38429 itgaddnc 38432 iblabsnc 38436 iblmulc2nc 38437 itgmulc2nc 38440 ftc1anclem2 38446 ftc1anclem6 38450 ftc1anclem8 38452 cntotbnd 38549 isosctrlem1ALT 45759 dstregt0 46118 absimnre 46307 absimlere 46310 cnrefiisplem 46660 sigarim 47682 readdcnnred 48194 resubcnnred 48195 cndivrenred 48197 |
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