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Mirrors > Home > MPE Home > Th. List > climub | Structured version Visualization version GIF version |
Description: The limit of a monotonic sequence is an upper bound. (Contributed by NM, 18-Mar-2005.) (Revised by Mario Carneiro, 10-Feb-2014.) |
Ref | Expression |
---|---|
clim2ser.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
climub.2 | ⊢ (𝜑 → 𝑁 ∈ 𝑍) |
climub.3 | ⊢ (𝜑 → 𝐹 ⇝ 𝐴) |
climub.4 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) |
climub.5 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) |
Ref | Expression |
---|---|
climub | ⊢ (𝜑 → (𝐹‘𝑁) ≤ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2732 | . 2 ⊢ (ℤ≥‘𝑁) = (ℤ≥‘𝑁) | |
2 | climub.2 | . . . 4 ⊢ (𝜑 → 𝑁 ∈ 𝑍) | |
3 | clim2ser.1 | . . . 4 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
4 | 2, 3 | eleqtrdi 2843 | . . 3 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀)) |
5 | eluzelz 12828 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℤ) | |
6 | 4, 5 | syl 17 | . 2 ⊢ (𝜑 → 𝑁 ∈ ℤ) |
7 | fveq2 6888 | . . . . . 6 ⊢ (𝑘 = 𝑁 → (𝐹‘𝑘) = (𝐹‘𝑁)) | |
8 | 7 | eleq1d 2818 | . . . . 5 ⊢ (𝑘 = 𝑁 → ((𝐹‘𝑘) ∈ ℝ ↔ (𝐹‘𝑁) ∈ ℝ)) |
9 | 8 | imbi2d 340 | . . . 4 ⊢ (𝑘 = 𝑁 → ((𝜑 → (𝐹‘𝑘) ∈ ℝ) ↔ (𝜑 → (𝐹‘𝑁) ∈ ℝ))) |
10 | climub.4 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) | |
11 | 10 | expcom 414 | . . . 4 ⊢ (𝑘 ∈ 𝑍 → (𝜑 → (𝐹‘𝑘) ∈ ℝ)) |
12 | 9, 11 | vtoclga 3565 | . . 3 ⊢ (𝑁 ∈ 𝑍 → (𝜑 → (𝐹‘𝑁) ∈ ℝ)) |
13 | 2, 12 | mpcom 38 | . 2 ⊢ (𝜑 → (𝐹‘𝑁) ∈ ℝ) |
14 | climub.3 | . 2 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
15 | 3 | uztrn2 12837 | . . . 4 ⊢ ((𝑁 ∈ 𝑍 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → 𝑗 ∈ 𝑍) |
16 | 2, 15 | sylan 580 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → 𝑗 ∈ 𝑍) |
17 | fveq2 6888 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
18 | 17 | eleq1d 2818 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝐹‘𝑘) ∈ ℝ ↔ (𝐹‘𝑗) ∈ ℝ)) |
19 | 18 | imbi2d 340 | . . . . 5 ⊢ (𝑘 = 𝑗 → ((𝜑 → (𝐹‘𝑘) ∈ ℝ) ↔ (𝜑 → (𝐹‘𝑗) ∈ ℝ))) |
20 | 19, 11 | vtoclga 3565 | . . . 4 ⊢ (𝑗 ∈ 𝑍 → (𝜑 → (𝐹‘𝑗) ∈ ℝ)) |
21 | 20 | impcom 408 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ∈ ℝ) |
22 | 16, 21 | syldan 591 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑗) ∈ ℝ) |
23 | simpr 485 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → 𝑗 ∈ (ℤ≥‘𝑁)) | |
24 | elfzuz 13493 | . . . . 5 ⊢ (𝑘 ∈ (𝑁...𝑗) → 𝑘 ∈ (ℤ≥‘𝑁)) | |
25 | 3 | uztrn2 12837 | . . . . . . 7 ⊢ ((𝑁 ∈ 𝑍 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → 𝑘 ∈ 𝑍) |
26 | 2, 25 | sylan 580 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → 𝑘 ∈ 𝑍) |
27 | 26, 10 | syldan 591 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑘) ∈ ℝ) |
28 | 24, 27 | sylan2 593 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑁...𝑗)) → (𝐹‘𝑘) ∈ ℝ) |
29 | 28 | adantlr 713 | . . 3 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) ∧ 𝑘 ∈ (𝑁...𝑗)) → (𝐹‘𝑘) ∈ ℝ) |
30 | elfzuz 13493 | . . . . 5 ⊢ (𝑘 ∈ (𝑁...(𝑗 − 1)) → 𝑘 ∈ (ℤ≥‘𝑁)) | |
31 | climub.5 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) | |
32 | 26, 31 | syldan 591 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) |
33 | 30, 32 | sylan2 593 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑁...(𝑗 − 1))) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) |
34 | 33 | adantlr 713 | . . 3 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) ∧ 𝑘 ∈ (𝑁...(𝑗 − 1))) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) |
35 | 23, 29, 34 | monoord 13994 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑁) ≤ (𝐹‘𝑗)) |
36 | 1, 6, 13, 14, 22, 35 | climlec2 15601 | 1 ⊢ (𝜑 → (𝐹‘𝑁) ≤ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 class class class wbr 5147 ‘cfv 6540 (class class class)co 7405 ℝcr 11105 1c1 11107 + caddc 11109 ≤ cle 11245 − cmin 11440 ℤcz 12554 ℤ≥cuz 12818 ...cfz 13480 ⇝ cli 15424 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7852 df-1st 7971 df-2nd 7972 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-er 8699 df-pm 8819 df-en 8936 df-dom 8937 df-sdom 8938 df-sup 9433 df-inf 9434 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-n0 12469 df-z 12555 df-uz 12819 df-rp 12971 df-fz 13481 df-fl 13753 df-seq 13963 df-exp 14024 df-cj 15042 df-re 15043 df-im 15044 df-sqrt 15178 df-abs 15179 df-clim 15428 df-rlim 15429 |
This theorem is referenced by: climserle 15605 itg2i1fseqle 25263 emcllem7 26495 |
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