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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 15278 | . 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 2144 ‘cfv 6538 ℂcc 11198 ℝcr 11199 ℑcim 15265 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-div 11974 df-nn 12336 df-2 12405 df-cj 15266 df-re 15267 df-im 15268 |
| This theorem is used by: rlimrecl 15747 resincl 16308 sin01bnd 16353 recld2 25134 mbfeqa 25964 mbfss 25967 mbfmulc2re 25969 mbfadd 25982 mbfmulc2 25984 mbflim 25989 mbfmul 26047 iblcn 26119 itgcnval 26120 itgre 26121 itgim 26122 iblneg 26123 itgneg 26124 ibladd 26141 itgadd 26145 iblabs 26149 itgmulc2 26154 bddiblnc 26162 aaliou2b 26668 efif1olem3 26872 eff1olem 26876 logimclad 26900 abslogimle 26901 logrnaddcl 26902 lognegb 26918 logcj 26934 efiarg 26935 cosargd 26936 argregt0 26938 argrege0 26939 argimgt0 26940 argimlt0 26941 logimul 26942 abslogle 26946 tanarg 26947 logcnlem2 26971 logcnlem3 26972 logcnlem4 26973 logcnlem5 26974 logcn 26975 dvloglem 26976 logf1o2 26978 efopnlem1 26984 efopnlem2 26985 cxpsqrtlem 27030 abscxpbnd 27081 ang180lem2 27138 lawcos 27144 isosctrlem1 27146 isosctrlem2 27147 asinneg 27214 asinsinlem 27219 atanlogaddlem 27241 atanlogsublem 27243 atanlogsub 27244 basellem3 27410 re0cj 33377 constrconj 34419 constrimcl 34444 constrmulcl 34445 sqsscirc2 34583 ibladdnc 38638 itgaddnc 38641 iblabsnc 38645 iblmulc2nc 38646 itgmulc2nc 38649 ftc1anclem2 38655 ftc1anclem6 38659 ftc1anclem8 38661 cntotbnd 38773 isosctrlem1ALT 45959 dstregt0 46341 absimnre 46529 absimlere 46532 cnrefiisplem 46882 sigarim 47904 readdcnnred 48416 resubcnnred 48417 cndivrenred 48419 |
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