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Mirrors > Home > MPE Home > Th. List > logcld | Structured version Visualization version GIF version |
Description: The logarithm of a nonzero complex number is a complex number. Deduction form of logcl 26624. (Contributed by David Moews, 28-Feb-2017.) |
Ref | Expression |
---|---|
logcld.1 | ⊢ (𝜑 → 𝑋 ∈ ℂ) |
logcld.2 | ⊢ (𝜑 → 𝑋 ≠ 0) |
Ref | Expression |
---|---|
logcld | ⊢ (𝜑 → (log‘𝑋) ∈ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | logcld.1 | . 2 ⊢ (𝜑 → 𝑋 ∈ ℂ) | |
2 | logcld.2 | . 2 ⊢ (𝜑 → 𝑋 ≠ 0) | |
3 | logcl 26624 | . 2 ⊢ ((𝑋 ∈ ℂ ∧ 𝑋 ≠ 0) → (log‘𝑋) ∈ ℂ) | |
4 | 1, 2, 3 | syl2anc 584 | 1 ⊢ (𝜑 → (log‘𝑋) ∈ ℂ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2105 ≠ wne 2937 ‘cfv 6562 ℂcc 11150 0cc0 11152 logclog 26610 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1791 ax-4 1805 ax-5 1907 ax-6 1964 ax-7 2004 ax-8 2107 ax-9 2115 ax-10 2138 ax-11 2154 ax-12 2174 ax-ext 2705 ax-rep 5284 ax-sep 5301 ax-nul 5311 ax-pow 5370 ax-pr 5437 ax-un 7753 ax-inf2 9678 ax-cnex 11208 ax-resscn 11209 ax-1cn 11210 ax-icn 11211 ax-addcl 11212 ax-addrcl 11213 ax-mulcl 11214 ax-mulrcl 11215 ax-mulcom 11216 ax-addass 11217 ax-mulass 11218 ax-distr 11219 ax-i2m1 11220 ax-1ne0 11221 ax-1rid 11222 ax-rnegex 11223 ax-rrecex 11224 ax-cnre 11225 ax-pre-lttri 11226 ax-pre-lttrn 11227 ax-pre-ltadd 11228 ax-pre-mulgt0 11229 ax-pre-sup 11230 ax-addf 11231 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1539 df-fal 1549 df-ex 1776 df-nf 1780 df-sb 2062 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2889 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3377 df-reu 3378 df-rab 3433 df-v 3479 df-sbc 3791 df-csb 3908 df-dif 3965 df-un 3967 df-in 3969 df-ss 3979 df-pss 3982 df-nul 4339 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-tp 4635 df-op 4637 df-uni 4912 df-int 4951 df-iun 4997 df-iin 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5582 df-eprel 5588 df-po 5596 df-so 5597 df-fr 5640 df-se 5641 df-we 5642 df-xp 5694 df-rel 5695 df-cnv 5696 df-co 5697 df-dm 5698 df-rn 5699 df-res 5700 df-ima 5701 df-pred 6322 df-ord 6388 df-on 6389 df-lim 6390 df-suc 6391 df-iota 6515 df-fun 6564 df-fn 6565 df-f 6566 df-f1 6567 df-fo 6568 df-f1o 6569 df-fv 6570 df-isom 6571 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-of 7696 df-om 7887 df-1st 8012 df-2nd 8013 df-supp 8184 df-frecs 8304 df-wrecs 8335 df-recs 8409 df-rdg 8448 df-1o 8504 df-2o 8505 df-er 8743 df-map 8866 df-pm 8867 df-ixp 8936 df-en 8984 df-dom 8985 df-sdom 8986 df-fin 8987 df-fsupp 9399 df-fi 9448 df-sup 9479 df-inf 9480 df-oi 9547 df-card 9976 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11491 df-neg 11492 df-div 11918 df-nn 12264 df-2 12326 df-3 12327 df-4 12328 df-5 12329 df-6 12330 df-7 12331 df-8 12332 df-9 12333 df-n0 12524 df-z 12611 df-dec 12731 df-uz 12876 df-q 12988 df-rp 13032 df-xneg 13151 df-xadd 13152 df-xmul 13153 df-ioo 13387 df-ioc 13388 df-ico 13389 df-icc 13390 df-fz 13544 df-fzo 13691 df-fl 13828 df-mod 13906 df-seq 14039 df-exp 14099 df-fac 14309 df-bc 14338 df-hash 14366 df-shft 15102 df-cj 15134 df-re 15135 df-im 15136 df-sqrt 15270 df-abs 15271 df-limsup 15503 df-clim 15520 df-rlim 15521 df-sum 15719 df-ef 16099 df-sin 16101 df-cos 16102 df-pi 16104 df-struct 17180 df-sets 17197 df-slot 17215 df-ndx 17227 df-base 17245 df-ress 17274 df-plusg 17310 df-mulr 17311 df-starv 17312 df-sca 17313 df-vsca 17314 df-ip 17315 df-tset 17316 df-ple 17317 df-ds 17319 df-unif 17320 df-hom 17321 df-cco 17322 df-rest 17468 df-topn 17469 df-0g 17487 df-gsum 17488 df-topgen 17489 df-pt 17490 df-prds 17493 df-xrs 17548 df-qtop 17553 df-imas 17554 df-xps 17556 df-mre 17630 df-mrc 17631 df-acs 17633 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-submnd 18809 df-mulg 19098 df-cntz 19347 df-cmn 19814 df-psmet 21373 df-xmet 21374 df-met 21375 df-bl 21376 df-mopn 21377 df-fbas 21378 df-fg 21379 df-cnfld 21382 df-top 22915 df-topon 22932 df-topsp 22954 df-bases 22968 df-cld 23042 df-ntr 23043 df-cls 23044 df-nei 23121 df-lp 23159 df-perf 23160 df-cn 23250 df-cnp 23251 df-haus 23338 df-tx 23585 df-hmeo 23778 df-fil 23869 df-fm 23961 df-flim 23962 df-flf 23963 df-xms 24345 df-ms 24346 df-tms 24347 df-cncf 24917 df-limc 25915 df-dv 25916 df-log 26612 |
This theorem is referenced by: logimclad 26628 eflogeq 26658 cosargd 26664 logcnlem3 26700 logcnlem4 26701 logcnlem5 26702 logcn 26703 dvloglem 26704 logf1o2 26706 logtayl 26716 logtayl2 26718 mulcxp 26741 dvcncxp1 26799 cxpeq 26814 logrec 26820 logbcl 26824 logb1 26826 relogbreexp 26832 nnlogbexp 26838 logbrec 26839 ang180lem1 26866 ang180lem2 26867 ang180lem3 26868 ang180lem4 26869 lawcos 26873 isosctrlem1 26875 isosctrlem2 26876 asinf 26929 atanf 26937 asinneg 26943 efiasin 26945 asinbnd 26956 atanneg 26964 atancj 26967 efiatan 26969 atanlogaddlem 26970 atanlogadd 26971 atanlogsublem 26972 atanlogsub 26973 efiatan2 26974 2efiatan 26975 atantan 26980 atanbndlem 26982 dvatan 26992 atantayl 26994 efrlim 27026 efrlimOLD 27027 lgamgulmlem2 27087 lgamgulmlem3 27088 lgamgulmlem5 27090 lgamgulmlem6 27091 lgamgulm2 27093 lgambdd 27094 lgamcvg2 27112 gamcvg 27113 gamp1 27115 gamcvg2lem 27116 hgt750lemd 34641 logdivsqrle 34643 hgt750lemb 34649 iprodgam 35721 dvasin 37690 aks4d1p1p1 42044 dvrelog2 42045 dvrelog3 42046 dvrelog2b 42047 dvrelogpow2b 42049 aks4d1p1p6 42054 aks4d1p1p7 42055 aks4d1p1p5 42056 cxp112d 42355 cxp111d 42356 readvrec2 42369 readvrec 42370 isosctrlem1ALT 44931 stirlinglem4 46032 stirlinglem5 46033 stirlinglem7 46035 stirlinglem12 46040 stirlinglem14 46042 |
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