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Mirrors > Home > ILE Home > Th. List > climub | 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 |
---|---|
clim2iser.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 2170 | . 2 ⊢ (ℤ≥‘𝑁) = (ℤ≥‘𝑁) | |
2 | climub.2 | . . . 4 ⊢ (𝜑 → 𝑁 ∈ 𝑍) | |
3 | clim2iser.1 | . . . 4 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
4 | 2, 3 | eleqtrdi 2263 | . . 3 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀)) |
5 | eluzelz 9496 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℤ) | |
6 | 4, 5 | syl 14 | . 2 ⊢ (𝜑 → 𝑁 ∈ ℤ) |
7 | fveq2 5496 | . . . . . 6 ⊢ (𝑘 = 𝑁 → (𝐹‘𝑘) = (𝐹‘𝑁)) | |
8 | 7 | eleq1d 2239 | . . . . 5 ⊢ (𝑘 = 𝑁 → ((𝐹‘𝑘) ∈ ℝ ↔ (𝐹‘𝑁) ∈ ℝ)) |
9 | 8 | imbi2d 229 | . . . 4 ⊢ (𝑘 = 𝑁 → ((𝜑 → (𝐹‘𝑘) ∈ ℝ) ↔ (𝜑 → (𝐹‘𝑁) ∈ ℝ))) |
10 | climub.4 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) | |
11 | 10 | expcom 115 | . . . 4 ⊢ (𝑘 ∈ 𝑍 → (𝜑 → (𝐹‘𝑘) ∈ ℝ)) |
12 | 9, 11 | vtoclga 2796 | . . 3 ⊢ (𝑁 ∈ 𝑍 → (𝜑 → (𝐹‘𝑁) ∈ ℝ)) |
13 | 2, 12 | mpcom 36 | . 2 ⊢ (𝜑 → (𝐹‘𝑁) ∈ ℝ) |
14 | climub.3 | . 2 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
15 | 3 | uztrn2 9504 | . . . 4 ⊢ ((𝑁 ∈ 𝑍 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → 𝑗 ∈ 𝑍) |
16 | 2, 15 | sylan 281 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → 𝑗 ∈ 𝑍) |
17 | fveq2 5496 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
18 | 17 | eleq1d 2239 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝐹‘𝑘) ∈ ℝ ↔ (𝐹‘𝑗) ∈ ℝ)) |
19 | 18 | imbi2d 229 | . . . . 5 ⊢ (𝑘 = 𝑗 → ((𝜑 → (𝐹‘𝑘) ∈ ℝ) ↔ (𝜑 → (𝐹‘𝑗) ∈ ℝ))) |
20 | 19, 11 | vtoclga 2796 | . . . 4 ⊢ (𝑗 ∈ 𝑍 → (𝜑 → (𝐹‘𝑗) ∈ ℝ)) |
21 | 20 | impcom 124 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ∈ ℝ) |
22 | 16, 21 | syldan 280 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑗) ∈ ℝ) |
23 | simpr 109 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → 𝑗 ∈ (ℤ≥‘𝑁)) | |
24 | elfzuz 9977 | . . . . 5 ⊢ (𝑘 ∈ (𝑁...𝑗) → 𝑘 ∈ (ℤ≥‘𝑁)) | |
25 | 3 | uztrn2 9504 | . . . . . . 7 ⊢ ((𝑁 ∈ 𝑍 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → 𝑘 ∈ 𝑍) |
26 | 2, 25 | sylan 281 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → 𝑘 ∈ 𝑍) |
27 | 26, 10 | syldan 280 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑘) ∈ ℝ) |
28 | 24, 27 | sylan2 284 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑁...𝑗)) → (𝐹‘𝑘) ∈ ℝ) |
29 | 28 | adantlr 474 | . . 3 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) ∧ 𝑘 ∈ (𝑁...𝑗)) → (𝐹‘𝑘) ∈ ℝ) |
30 | elfzuz 9977 | . . . . 5 ⊢ (𝑘 ∈ (𝑁...(𝑗 − 1)) → 𝑘 ∈ (ℤ≥‘𝑁)) | |
31 | climub.5 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) | |
32 | 26, 31 | syldan 280 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) |
33 | 30, 32 | sylan2 284 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑁...(𝑗 − 1))) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) |
34 | 33 | adantlr 474 | . . 3 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) ∧ 𝑘 ∈ (𝑁...(𝑗 − 1))) → (𝐹‘𝑘) ≤ (𝐹‘(𝑘 + 1))) |
35 | 23, 29, 34 | monoord 10432 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ≥‘𝑁)) → (𝐹‘𝑁) ≤ (𝐹‘𝑗)) |
36 | 1, 6, 13, 14, 22, 35 | climlec2 11304 | 1 ⊢ (𝜑 → (𝐹‘𝑁) ≤ 𝐴) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 = wceq 1348 ∈ wcel 2141 class class class wbr 3989 ‘cfv 5198 (class class class)co 5853 ℝcr 7773 1c1 7775 + caddc 7777 ≤ cle 7955 − cmin 8090 ℤcz 9212 ℤ≥cuz 9487 ...cfz 9965 ⇝ cli 11241 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-coll 4104 ax-sep 4107 ax-nul 4115 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-iinf 4572 ax-cnex 7865 ax-resscn 7866 ax-1cn 7867 ax-1re 7868 ax-icn 7869 ax-addcl 7870 ax-addrcl 7871 ax-mulcl 7872 ax-mulrcl 7873 ax-addcom 7874 ax-mulcom 7875 ax-addass 7876 ax-mulass 7877 ax-distr 7878 ax-i2m1 7879 ax-0lt1 7880 ax-1rid 7881 ax-0id 7882 ax-rnegex 7883 ax-precex 7884 ax-cnre 7885 ax-pre-ltirr 7886 ax-pre-ltwlin 7887 ax-pre-lttrn 7888 ax-pre-apti 7889 ax-pre-ltadd 7890 ax-pre-mulgt0 7891 ax-pre-mulext 7892 ax-arch 7893 ax-caucvg 7894 |
This theorem depends on definitions: df-bi 116 df-dc 830 df-3or 974 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rmo 2456 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-nul 3415 df-if 3527 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-int 3832 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-tr 4088 df-id 4278 df-po 4281 df-iso 4282 df-iord 4351 df-on 4353 df-ilim 4354 df-suc 4356 df-iom 4575 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-f1 5203 df-fo 5204 df-f1o 5205 df-fv 5206 df-riota 5809 df-ov 5856 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 df-recs 6284 df-frec 6370 df-pnf 7956 df-mnf 7957 df-xr 7958 df-ltxr 7959 df-le 7960 df-sub 8092 df-neg 8093 df-reap 8494 df-ap 8501 df-div 8590 df-inn 8879 df-2 8937 df-3 8938 df-4 8939 df-n0 9136 df-z 9213 df-uz 9488 df-rp 9611 df-fz 9966 df-seqfrec 10402 df-exp 10476 df-cj 10806 df-re 10807 df-im 10808 df-rsqrt 10962 df-abs 10963 df-clim 11242 |
This theorem is referenced by: climserle 11308 |
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