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| Mirrors > Home > MPE Home > Th. List > emcllem4 | Structured version Visualization version GIF version | ||
| Description: Lemma for emcl 27132. The difference between series 𝐹 and 𝐺 tends to zero. (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 |
|---|---|
| emcllem4 | ⊢ 𝐻 ⇝ 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnuz 12900 | . . 3 ⊢ ℕ = (ℤ≥‘1) | |
| 2 | 1zzd 12624 | . . 3 ⊢ (⊤ → 1 ∈ ℤ) | |
| 3 | ax-1cn 11157 | . . . 4 ⊢ 1 ∈ ℂ | |
| 4 | divcnv 15906 | . . . 4 ⊢ (1 ∈ ℂ → (𝑛 ∈ ℕ ↦ (1 / 𝑛)) ⇝ 0) | |
| 5 | 3, 4 | mp1i 14 | . . 3 ⊢ (⊤ → (𝑛 ∈ ℕ ↦ (1 / 𝑛)) ⇝ 0) |
| 6 | emcl.3 | . . . . 5 ⊢ 𝐻 = (𝑛 ∈ ℕ ↦ (log‘(1 + (1 / 𝑛)))) | |
| 7 | nnex 12238 | . . . . . 6 ⊢ ℕ ∈ V | |
| 8 | 7 | mptex 7222 | . . . . 5 ⊢ (𝑛 ∈ ℕ ↦ (log‘(1 + (1 / 𝑛)))) ∈ V |
| 9 | 6, 8 | eqeltri 2865 | . . . 4 ⊢ 𝐻 ∈ V |
| 10 | 9 | a1i 11 | . . 3 ⊢ (⊤ → 𝐻 ∈ V) |
| 11 | oveq2 7419 | . . . . . 6 ⊢ (𝑛 = 𝑚 → (1 / 𝑛) = (1 / 𝑚)) | |
| 12 | eqid 2769 | . . . . . 6 ⊢ (𝑛 ∈ ℕ ↦ (1 / 𝑛)) = (𝑛 ∈ ℕ ↦ (1 / 𝑛)) | |
| 13 | ovex 7444 | . . . . . 6 ⊢ (1 / 𝑚) ∈ V | |
| 14 | 11, 12, 13 | fvmpt 6990 | . . . . 5 ⊢ (𝑚 ∈ ℕ → ((𝑛 ∈ ℕ ↦ (1 / 𝑛))‘𝑚) = (1 / 𝑚)) |
| 15 | 14 | adantl 486 | . . . 4 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → ((𝑛 ∈ ℕ ↦ (1 / 𝑛))‘𝑚) = (1 / 𝑚)) |
| 16 | nnrecre 12277 | . . . . 5 ⊢ (𝑚 ∈ ℕ → (1 / 𝑚) ∈ ℝ) | |
| 17 | 16 | adantl 486 | . . . 4 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (1 / 𝑚) ∈ ℝ) |
| 18 | 15, 17 | eqeltrd 2869 | . . 3 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → ((𝑛 ∈ ℕ ↦ (1 / 𝑛))‘𝑚) ∈ ℝ) |
| 19 | 11 | oveq2d 7427 | . . . . . . . 8 ⊢ (𝑛 = 𝑚 → (1 + (1 / 𝑛)) = (1 + (1 / 𝑚))) |
| 20 | 19 | fveq2d 6886 | . . . . . . 7 ⊢ (𝑛 = 𝑚 → (log‘(1 + (1 / 𝑛))) = (log‘(1 + (1 / 𝑚)))) |
| 21 | fvex 6895 | . . . . . . 7 ⊢ (log‘(1 + (1 / 𝑚))) ∈ V | |
| 22 | 20, 6, 21 | fvmpt 6990 | . . . . . 6 ⊢ (𝑚 ∈ ℕ → (𝐻‘𝑚) = (log‘(1 + (1 / 𝑚)))) |
| 23 | 22 | adantl 486 | . . . . 5 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (𝐻‘𝑚) = (log‘(1 + (1 / 𝑚)))) |
| 24 | 1rp 13019 | . . . . . . . 8 ⊢ 1 ∈ ℝ+ | |
| 25 | nnrp 13027 | . . . . . . . . . 10 ⊢ (𝑚 ∈ ℕ → 𝑚 ∈ ℝ+) | |
| 26 | 25 | adantl 486 | . . . . . . . . 9 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℝ+) |
| 27 | 26 | rpreccld 13069 | . . . . . . . 8 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (1 / 𝑚) ∈ ℝ+) |
| 28 | rpaddcl 13039 | . . . . . . . 8 ⊢ ((1 ∈ ℝ+ ∧ (1 / 𝑚) ∈ ℝ+) → (1 + (1 / 𝑚)) ∈ ℝ+) | |
| 29 | 24, 27, 28 | sylancr 598 | . . . . . . 7 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (1 + (1 / 𝑚)) ∈ ℝ+) |
| 30 | 29 | rpred 13059 | . . . . . 6 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (1 + (1 / 𝑚)) ∈ ℝ) |
| 31 | 1re 11207 | . . . . . . 7 ⊢ 1 ∈ ℝ | |
| 32 | ltaddrp 13054 | . . . . . . 7 ⊢ ((1 ∈ ℝ ∧ (1 / 𝑚) ∈ ℝ+) → 1 < (1 + (1 / 𝑚))) | |
| 33 | 31, 27, 32 | sylancr 598 | . . . . . 6 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → 1 < (1 + (1 / 𝑚))) |
| 34 | 30, 33 | rplogcld 26759 | . . . . 5 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (log‘(1 + (1 / 𝑚))) ∈ ℝ+) |
| 35 | 23, 34 | eqeltrd 2869 | . . . 4 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (𝐻‘𝑚) ∈ ℝ+) |
| 36 | 35 | rpred 13059 | . . 3 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (𝐻‘𝑚) ∈ ℝ) |
| 37 | 29 | relogcld 26753 | . . . . 5 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (log‘(1 + (1 / 𝑚))) ∈ ℝ) |
| 38 | efgt1p 16170 | . . . . . . . 8 ⊢ ((1 / 𝑚) ∈ ℝ+ → (1 + (1 / 𝑚)) < (exp‘(1 / 𝑚))) | |
| 39 | 27, 38 | syl 18 | . . . . . . 7 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (1 + (1 / 𝑚)) < (exp‘(1 / 𝑚))) |
| 40 | 17 | rpefcld 16160 | . . . . . . . 8 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (exp‘(1 / 𝑚)) ∈ ℝ+) |
| 41 | logltb 26730 | . . . . . . . 8 ⊢ (((1 + (1 / 𝑚)) ∈ ℝ+ ∧ (exp‘(1 / 𝑚)) ∈ ℝ+) → ((1 + (1 / 𝑚)) < (exp‘(1 / 𝑚)) ↔ (log‘(1 + (1 / 𝑚))) < (log‘(exp‘(1 / 𝑚))))) | |
| 42 | 29, 40, 41 | syl2anc 595 | . . . . . . 7 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → ((1 + (1 / 𝑚)) < (exp‘(1 / 𝑚)) ↔ (log‘(1 + (1 / 𝑚))) < (log‘(exp‘(1 / 𝑚))))) |
| 43 | 39, 42 | mpbid 235 | . . . . . 6 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (log‘(1 + (1 / 𝑚))) < (log‘(exp‘(1 / 𝑚)))) |
| 44 | 17 | relogefd 26758 | . . . . . 6 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (log‘(exp‘(1 / 𝑚))) = (1 / 𝑚)) |
| 45 | 43, 44 | breqtrd 5141 | . . . . 5 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (log‘(1 + (1 / 𝑚))) < (1 / 𝑚)) |
| 46 | 37, 17, 45 | ltled 11357 | . . . 4 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (log‘(1 + (1 / 𝑚))) ≤ (1 / 𝑚)) |
| 47 | 46, 23, 15 | 3brtr4d 5147 | . . 3 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → (𝐻‘𝑚) ≤ ((𝑛 ∈ ℕ ↦ (1 / 𝑛))‘𝑚)) |
| 48 | 35 | rpge0d 13063 | . . 3 ⊢ ((⊤ ∧ 𝑚 ∈ ℕ) → 0 ≤ (𝐻‘𝑚)) |
| 49 | 1, 2, 5, 10, 18, 36, 47, 48 | climsqz2 15692 | . 2 ⊢ (⊤ → 𝐻 ⇝ 0) |
| 50 | 49 | mptru 1574 | 1 ⊢ 𝐻 ⇝ 0 |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∧ wa 400 = wceq 1567 ⊤wtru 1568 ∈ wcel 2149 Vcvv 3463 class class class wbr 5113 ↦ cmpt 5196 ‘cfv 6537 (class class class)co 7411 ℂcc 11097 ℝcr 11098 0cc0 11099 1c1 11100 + caddc 11102 < clt 11242 ≤ cle 11243 − cmin 11440 / cdiv 11870 ℕcn 12232 ℝ+crp 13015 ...cfz 13534 ⇝ cli 15534 Σcsu 15736 expce 16114 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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