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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 15200 | . 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 6537 ℂcc 11125 ℝcr 11126 ℑcim 15187 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 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 15188 df-re 15189 df-im 15190 |
| This theorem is used by: rlimrecl 15669 resincl 16232 sin01bnd 16277 recld2 25042 mbfeqa 25872 mbfss 25875 mbfmulc2re 25877 mbfadd 25890 mbfmulc2 25892 mbflim 25897 mbfmul 25955 iblcn 26028 itgcnval 26029 itgre 26030 itgim 26031 iblneg 26032 itgneg 26033 ibladd 26050 itgadd 26054 iblabs 26058 itgmulc2 26063 bddiblnc 26071 aaliou2b 26574 efif1olem3 26779 eff1olem 26783 logimclad 26807 abslogimle 26808 logrnaddcl 26809 lognegb 26825 logcj 26841 efiarg 26842 cosargd 26843 argregt0 26845 argrege0 26846 argimgt0 26847 argimlt0 26848 logimul 26849 abslogle 26853 tanarg 26854 logcnlem2 26878 logcnlem3 26879 logcnlem4 26880 logcnlem5 26881 logcn 26882 dvloglem 26883 logf1o2 26885 efopnlem1 26891 efopnlem2 26892 cxpsqrtlem 26937 abscxpbnd 26988 ang180lem2 27045 lawcos 27051 isosctrlem1 27053 isosctrlem2 27054 asinneg 27121 asinsinlem 27126 atanlogaddlem 27148 atanlogsublem 27150 atanlogsub 27151 basellem3 27317 re0cj 33201 constrconj 34242 constrimcl 34267 constrmulcl 34268 sqsscirc2 34406 ibladdnc 38413 itgaddnc 38416 iblabsnc 38420 iblmulc2nc 38421 itgmulc2nc 38424 ftc1anclem2 38430 ftc1anclem6 38434 ftc1anclem8 38436 cntotbnd 38533 isosctrlem1ALT 45743 dstregt0 46102 absimnre 46291 absimlere 46294 cnrefiisplem 46644 sigarim 47666 readdcnnred 48178 resubcnnred 48179 cndivrenred 48181 |
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