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| Mirrors > Home > MPE Home > Th. List > emcllem3 | Structured version Visualization version GIF version | ||
| Description: Lemma for emcl 27132. The function 𝐻 is the difference between 𝐹 and 𝐺. (Contributed by Mario Carneiro, 11-Jul-2014.) |
| Ref | Expression |
|---|---|
| emcl.1 | ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ (Σ𝑚 ∈ (1...𝑛)(1 / 𝑚) − (log‘𝑛))) |
| emcl.2 | ⊢ 𝐺 = (𝑛 ∈ ℕ ↦ (Σ𝑚 ∈ (1...𝑛)(1 / 𝑚) − (log‘(𝑛 + 1)))) |
| emcl.3 | ⊢ 𝐻 = (𝑛 ∈ ℕ ↦ (log‘(1 + (1 / 𝑛)))) |
| Ref | Expression |
|---|---|
| emcllem3 | ⊢ (𝑁 ∈ ℕ → (𝐻‘𝑁) = ((𝐹‘𝑁) − (𝐺‘𝑁))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | peano2nn 12244 | . . . . 5 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ) | |
| 2 | 1 | nnrpd 13057 | . . . 4 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℝ+) |
| 3 | nnrp 13027 | . . . 4 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℝ+) | |
| 4 | 2, 3 | relogdivd 26756 | . . 3 ⊢ (𝑁 ∈ ℕ → (log‘((𝑁 + 1) / 𝑁)) = ((log‘(𝑁 + 1)) − (log‘𝑁))) |
| 5 | nncn 12240 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℂ) | |
| 6 | 1cnd 11201 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → 1 ∈ ℂ) | |
| 7 | nnne0 12269 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → 𝑁 ≠ 0) | |
| 8 | 5, 6, 5, 7 | divdird 12028 | . . . . 5 ⊢ (𝑁 ∈ ℕ → ((𝑁 + 1) / 𝑁) = ((𝑁 / 𝑁) + (1 / 𝑁))) |
| 9 | 5, 7 | dividd 11988 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → (𝑁 / 𝑁) = 1) |
| 10 | 9 | oveq1d 7426 | . . . . 5 ⊢ (𝑁 ∈ ℕ → ((𝑁 / 𝑁) + (1 / 𝑁)) = (1 + (1 / 𝑁))) |
| 11 | 8, 10 | eqtr2d 2805 | . . . 4 ⊢ (𝑁 ∈ ℕ → (1 + (1 / 𝑁)) = ((𝑁 + 1) / 𝑁)) |
| 12 | 11 | fveq2d 6886 | . . 3 ⊢ (𝑁 ∈ ℕ → (log‘(1 + (1 / 𝑁))) = (log‘((𝑁 + 1) / 𝑁))) |
| 13 | fzfid 14008 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → (1...𝑁) ∈ Fin) | |
| 14 | elfznn 13580 | . . . . . . . 8 ⊢ (𝑚 ∈ (1...𝑁) → 𝑚 ∈ ℕ) | |
| 15 | 14 | adantl 486 | . . . . . . 7 ⊢ ((𝑁 ∈ ℕ ∧ 𝑚 ∈ (1...𝑁)) → 𝑚 ∈ ℕ) |
| 16 | 15 | nnrecred 12286 | . . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝑚 ∈ (1...𝑁)) → (1 / 𝑚) ∈ ℝ) |
| 17 | 13, 16 | fsumrecl 15784 | . . . . 5 ⊢ (𝑁 ∈ ℕ → Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) ∈ ℝ) |
| 18 | 17 | recnd 11236 | . . . 4 ⊢ (𝑁 ∈ ℕ → Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) ∈ ℂ) |
| 19 | 3 | relogcld 26753 | . . . . 5 ⊢ (𝑁 ∈ ℕ → (log‘𝑁) ∈ ℝ) |
| 20 | 19 | recnd 11236 | . . . 4 ⊢ (𝑁 ∈ ℕ → (log‘𝑁) ∈ ℂ) |
| 21 | 2 | relogcld 26753 | . . . . 5 ⊢ (𝑁 ∈ ℕ → (log‘(𝑁 + 1)) ∈ ℝ) |
| 22 | 21 | recnd 11236 | . . . 4 ⊢ (𝑁 ∈ ℕ → (log‘(𝑁 + 1)) ∈ ℂ) |
| 23 | 18, 20, 22 | nnncan1d 11602 | . . 3 ⊢ (𝑁 ∈ ℕ → ((Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘𝑁)) − (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘(𝑁 + 1)))) = ((log‘(𝑁 + 1)) − (log‘𝑁))) |
| 24 | 4, 12, 23 | 3eqtr4d 2814 | . 2 ⊢ (𝑁 ∈ ℕ → (log‘(1 + (1 / 𝑁))) = ((Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘𝑁)) − (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘(𝑁 + 1))))) |
| 25 | oveq2 7419 | . . . . 5 ⊢ (𝑛 = 𝑁 → (1 / 𝑛) = (1 / 𝑁)) | |
| 26 | 25 | oveq2d 7427 | . . . 4 ⊢ (𝑛 = 𝑁 → (1 + (1 / 𝑛)) = (1 + (1 / 𝑁))) |
| 27 | 26 | fveq2d 6886 | . . 3 ⊢ (𝑛 = 𝑁 → (log‘(1 + (1 / 𝑛))) = (log‘(1 + (1 / 𝑁)))) |
| 28 | emcl.3 | . . 3 ⊢ 𝐻 = (𝑛 ∈ ℕ ↦ (log‘(1 + (1 / 𝑛)))) | |
| 29 | fvex 6895 | . . 3 ⊢ (log‘(1 + (1 / 𝑁))) ∈ V | |
| 30 | 27, 28, 29 | fvmpt 6990 | . 2 ⊢ (𝑁 ∈ ℕ → (𝐻‘𝑁) = (log‘(1 + (1 / 𝑁)))) |
| 31 | oveq2 7419 | . . . . . 6 ⊢ (𝑛 = 𝑁 → (1...𝑛) = (1...𝑁)) | |
| 32 | 31 | sumeq1d 15750 | . . . . 5 ⊢ (𝑛 = 𝑁 → Σ𝑚 ∈ (1...𝑛)(1 / 𝑚) = Σ𝑚 ∈ (1...𝑁)(1 / 𝑚)) |
| 33 | fveq2 6882 | . . . . 5 ⊢ (𝑛 = 𝑁 → (log‘𝑛) = (log‘𝑁)) | |
| 34 | 32, 33 | oveq12d 7429 | . . . 4 ⊢ (𝑛 = 𝑁 → (Σ𝑚 ∈ (1...𝑛)(1 / 𝑚) − (log‘𝑛)) = (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘𝑁))) |
| 35 | emcl.1 | . . . 4 ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ (Σ𝑚 ∈ (1...𝑛)(1 / 𝑚) − (log‘𝑛))) | |
| 36 | ovex 7444 | . . . 4 ⊢ (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘𝑁)) ∈ V | |
| 37 | 34, 35, 36 | fvmpt 6990 | . . 3 ⊢ (𝑁 ∈ ℕ → (𝐹‘𝑁) = (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘𝑁))) |
| 38 | fvoveq1 7434 | . . . . 5 ⊢ (𝑛 = 𝑁 → (log‘(𝑛 + 1)) = (log‘(𝑁 + 1))) | |
| 39 | 32, 38 | oveq12d 7429 | . . . 4 ⊢ (𝑛 = 𝑁 → (Σ𝑚 ∈ (1...𝑛)(1 / 𝑚) − (log‘(𝑛 + 1))) = (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘(𝑁 + 1)))) |
| 40 | emcl.2 | . . . 4 ⊢ 𝐺 = (𝑛 ∈ ℕ ↦ (Σ𝑚 ∈ (1...𝑛)(1 / 𝑚) − (log‘(𝑛 + 1)))) | |
| 41 | ovex 7444 | . . . 4 ⊢ (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘(𝑁 + 1))) ∈ V | |
| 42 | 39, 40, 41 | fvmpt 6990 | . . 3 ⊢ (𝑁 ∈ ℕ → (𝐺‘𝑁) = (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘(𝑁 + 1)))) |
| 43 | 37, 42 | oveq12d 7429 | . 2 ⊢ (𝑁 ∈ ℕ → ((𝐹‘𝑁) − (𝐺‘𝑁)) = ((Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘𝑁)) − (Σ𝑚 ∈ (1...𝑁)(1 / 𝑚) − (log‘(𝑁 + 1))))) |
| 44 | 24, 30, 43 | 3eqtr4d 2814 | 1 ⊢ (𝑁 ∈ ℕ → (𝐻‘𝑁) = ((𝐹‘𝑁) − (𝐺‘𝑁))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ↦ cmpt 5196 ‘cfv 6537 (class class class)co 7411 1c1 11100 + caddc 11102 − cmin 11440 / cdiv 11870 ℕcn 12232 ...cfz 13534 Σcsu 15736 logclog 26684 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-inf2 9609 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 ax-pre-sup 11177 ax-addf 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-int 4917 df-iun 4962 df-iin 4963 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-se 5616 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 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-isom 6546 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-of 7675 df-om 7862 df-1st 7985 df-2nd 7986 df-supp 8156 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8452 df-2o 8453 df-er 8693 df-map 8825 df-pm 8826 df-ixp 8895 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-fsupp 9321 df-fi 9370 df-sup 9401 df-inf 9402 df-oi 9471 df-card 9924 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-div 11871 df-nn 12233 df-2 12302 df-3 12303 df-4 12304 df-5 12305 df-6 12306 df-7 12307 df-8 12308 df-9 12309 df-n0 12504 df-z 12591 df-dec 12711 df-uz 12862 df-q 12972 df-rp 13016 df-xneg 13136 df-xadd 13137 df-xmul 13138 df-ioo 13375 df-ioc 13376 df-ico 13377 df-icc 13378 df-fz 13535 df-fzo 13682 df-fl 13824 df-mod 13902 df-seq 14037 df-exp 14097 df-fac 14309 df-bc 14338 df-hash 14366 df-shft 15103 df-cj 15149 df-re 15150 df-im 15151 df-sqrt 15285 df-abs 15286 df-limsup 15521 df-clim 15538 df-rlim 15539 df-sum 15737 df-ef 16120 df-sin 16122 df-cos 16123 df-pi 16125 df-struct 17206 df-sets 17223 df-slot 17241 df-ndx 17253 df-base 17269 df-ress 17290 df-plusg 17322 df-mulr 17323 df-starv 17324 df-sca 17325 df-vsca 17326 df-ip 17327 df-tset 17328 df-ple 17329 df-ds 17331 df-unif 17332 df-hom 17333 df-cco 17334 df-rest 17474 df-topn 17475 df-0g 17493 df-gsum 17494 df-topgen 17495 df-pt 17496 df-prds 17499 df-xrs 17555 df-qtop 17560 df-imas 17561 df-xps 17563 df-mre 17637 df-mrc 17638 df-acs 17640 df-mgm 18697 df-sgrp 18776 df-mnd 18792 df-submnd 18841 df-mulg 19133 df-cntz 19386 df-cmn 19851 df-psmet 21482 df-xmet 21483 df-met 21484 df-bl 21485 df-mopn 21486 df-fbas 21487 df-fg 21488 df-cnfld 21491 df-top 23019 df-topon 23036 df-topsp 23058 df-bases 23071 df-cld 23144 df-ntr 23145 df-cls 23146 df-nei 23223 df-lp 23261 df-perf 23262 df-cn 23352 df-cnp 23353 df-haus 23440 df-tx 23687 df-hmeo 23880 df-fil 23971 df-fm 24063 df-flim 24064 df-flf 24065 df-xms 24445 df-ms 24446 df-tms 24447 df-cncf 25005 df-limc 25993 df-dv 25994 df-log 26686 |
| This theorem is referenced by: emcllem6 27130 |
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