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Mirrors > Home > MPE Home > Th. List > logrn | Structured version Visualization version GIF version |
Description: The range of the natural logarithm function, also the principal domain of the exponential function. This allows to write the longer class expression as simply ran log. (Contributed by Paul Chapman, 21-Apr-2008.) (Revised by Mario Carneiro, 13-May-2014.) |
Ref | Expression |
---|---|
logrn | ⊢ ran log = (◡ℑ “ (-π(,]π)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-log 26489 | . . 3 ⊢ log = ◡(exp ↾ (◡ℑ “ (-π(,]π))) | |
2 | 1 | rneqi 5939 | . 2 ⊢ ran log = ran ◡(exp ↾ (◡ℑ “ (-π(,]π))) |
3 | eqid 2728 | . . . . 5 ⊢ (◡ℑ “ (-π(,]π)) = (◡ℑ “ (-π(,]π)) | |
4 | 3 | eff1o 26482 | . . . 4 ⊢ (exp ↾ (◡ℑ “ (-π(,]π))):(◡ℑ “ (-π(,]π))–1-1-onto→(ℂ ∖ {0}) |
5 | f1ocnv 6851 | . . . 4 ⊢ ((exp ↾ (◡ℑ “ (-π(,]π))):(◡ℑ “ (-π(,]π))–1-1-onto→(ℂ ∖ {0}) → ◡(exp ↾ (◡ℑ “ (-π(,]π))):(ℂ ∖ {0})–1-1-onto→(◡ℑ “ (-π(,]π))) | |
6 | 4, 5 | ax-mp 5 | . . 3 ⊢ ◡(exp ↾ (◡ℑ “ (-π(,]π))):(ℂ ∖ {0})–1-1-onto→(◡ℑ “ (-π(,]π)) |
7 | f1ofo 6846 | . . 3 ⊢ (◡(exp ↾ (◡ℑ “ (-π(,]π))):(ℂ ∖ {0})–1-1-onto→(◡ℑ “ (-π(,]π)) → ◡(exp ↾ (◡ℑ “ (-π(,]π))):(ℂ ∖ {0})–onto→(◡ℑ “ (-π(,]π))) | |
8 | forn 6814 | . . 3 ⊢ (◡(exp ↾ (◡ℑ “ (-π(,]π))):(ℂ ∖ {0})–onto→(◡ℑ “ (-π(,]π)) → ran ◡(exp ↾ (◡ℑ “ (-π(,]π))) = (◡ℑ “ (-π(,]π))) | |
9 | 6, 7, 8 | mp2b 10 | . 2 ⊢ ran ◡(exp ↾ (◡ℑ “ (-π(,]π))) = (◡ℑ “ (-π(,]π)) |
10 | 2, 9 | eqtri 2756 | 1 ⊢ ran log = (◡ℑ “ (-π(,]π)) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1534 ∖ cdif 3944 {csn 4629 ◡ccnv 5677 ran crn 5679 ↾ cres 5680 “ cima 5681 –onto→wfo 6546 –1-1-onto→wf1o 6547 (class class class)co 7420 ℂcc 11136 0cc0 11138 -cneg 11475 (,]cioc 13357 ℑcim 15077 expce 16037 πcpi 16042 logclog 26487 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-inf2 9664 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215 ax-pre-sup 11216 ax-addf 11217 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3373 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-tp 4634 df-op 4636 df-uni 4909 df-int 4950 df-iun 4998 df-iin 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-se 5634 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6305 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-isom 6557 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-of 7685 df-om 7871 df-1st 7993 df-2nd 7994 df-supp 8166 df-frecs 8286 df-wrecs 8317 df-recs 8391 df-rdg 8430 df-1o 8486 df-2o 8487 df-er 8724 df-map 8846 df-pm 8847 df-ixp 8916 df-en 8964 df-dom 8965 df-sdom 8966 df-fin 8967 df-fsupp 9386 df-fi 9434 df-sup 9465 df-inf 9466 df-oi 9533 df-card 9962 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-div 11902 df-nn 12243 df-2 12305 df-3 12306 df-4 12307 df-5 12308 df-6 12309 df-7 12310 df-8 12311 df-9 12312 df-n0 12503 df-z 12589 df-dec 12708 df-uz 12853 df-q 12963 df-rp 13007 df-xneg 13124 df-xadd 13125 df-xmul 13126 df-ioo 13360 df-ioc 13361 df-ico 13362 df-icc 13363 df-fz 13517 df-fzo 13660 df-fl 13789 df-mod 13867 df-seq 13999 df-exp 14059 df-fac 14265 df-bc 14294 df-hash 14322 df-shft 15046 df-cj 15078 df-re 15079 df-im 15080 df-sqrt 15214 df-abs 15215 df-limsup 15447 df-clim 15464 df-rlim 15465 df-sum 15665 df-ef 16043 df-sin 16045 df-cos 16046 df-pi 16048 df-struct 17115 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17180 df-ress 17209 df-plusg 17245 df-mulr 17246 df-starv 17247 df-sca 17248 df-vsca 17249 df-ip 17250 df-tset 17251 df-ple 17252 df-ds 17254 df-unif 17255 df-hom 17256 df-cco 17257 df-rest 17403 df-topn 17404 df-0g 17422 df-gsum 17423 df-topgen 17424 df-pt 17425 df-prds 17428 df-xrs 17483 df-qtop 17488 df-imas 17489 df-xps 17491 df-mre 17565 df-mrc 17566 df-acs 17568 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-submnd 18740 df-mulg 19023 df-cntz 19267 df-cmn 19736 df-psmet 21270 df-xmet 21271 df-met 21272 df-bl 21273 df-mopn 21274 df-fbas 21275 df-fg 21276 df-cnfld 21279 df-top 22795 df-topon 22812 df-topsp 22834 df-bases 22848 df-cld 22922 df-ntr 22923 df-cls 22924 df-nei 23001 df-lp 23039 df-perf 23040 df-cn 23130 df-cnp 23131 df-haus 23218 df-tx 23465 df-hmeo 23658 df-fil 23749 df-fm 23841 df-flim 23842 df-flf 23843 df-xms 24225 df-ms 24226 df-tms 24227 df-cncf 24797 df-limc 25794 df-dv 25795 df-log 26489 |
This theorem is referenced by: ellogrn 26492 dflog2 26493 eff1o2 26496 dvloglem 26581 efopnlem2 26590 asinneg 26817 |
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