Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > limsupres | Structured version Visualization version GIF version |
Description: The superior limit of a restriction is less than or equal to the original superior limit. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
Ref | Expression |
---|---|
limsupres.1 | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
Ref | Expression |
---|---|
limsupres | ⊢ (𝜑 → (lim sup‘(𝐹 ↾ 𝐶)) ≤ (lim sup‘𝐹)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1917 | . . 3 ⊢ Ⅎ𝑘𝜑 | |
2 | resimass 42784 | . . . . . . . 8 ⊢ ((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ⊆ (𝐹 “ (𝑘[,)+∞)) | |
3 | 2 | a1i 11 | . . . . . . 7 ⊢ (𝑘 ∈ ℝ → ((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ⊆ (𝐹 “ (𝑘[,)+∞))) |
4 | 3 | ssrind 4169 | . . . . . 6 ⊢ (𝑘 ∈ ℝ → (((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*)) |
5 | 4 | adantl 482 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → (((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*)) |
6 | inss2 4163 | . . . . . 6 ⊢ ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ℝ* | |
7 | 6 | a1i 11 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ℝ*) |
8 | 5, 7 | sstrd 3931 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → (((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ℝ*) |
9 | 8 | supxrcld 42657 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < ) ∈ ℝ*) |
10 | 7 | supxrcld 42657 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < ) ∈ ℝ*) |
11 | supxrss 13066 | . . . 4 ⊢ (((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*) ∧ ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ℝ*) → sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < ) ≤ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) | |
12 | 5, 7, 11 | syl2anc 584 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < ) ≤ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) |
13 | 1, 9, 10, 12 | infrnmptle 42963 | . 2 ⊢ (𝜑 → inf(ran (𝑘 ∈ ℝ ↦ sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < ) ≤ inf(ran (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < )) |
14 | limsupres.1 | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
15 | 14 | resexd 5938 | . . . 4 ⊢ (𝜑 → (𝐹 ↾ 𝐶) ∈ V) |
16 | eqid 2738 | . . . . 5 ⊢ (𝑘 ∈ ℝ ↦ sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) = (𝑘 ∈ ℝ ↦ sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) | |
17 | 16 | limsupval 15183 | . . . 4 ⊢ ((𝐹 ↾ 𝐶) ∈ V → (lim sup‘(𝐹 ↾ 𝐶)) = inf(ran (𝑘 ∈ ℝ ↦ sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < )) |
18 | 15, 17 | syl 17 | . . 3 ⊢ (𝜑 → (lim sup‘(𝐹 ↾ 𝐶)) = inf(ran (𝑘 ∈ ℝ ↦ sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < )) |
19 | eqid 2738 | . . . . 5 ⊢ (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) = (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) | |
20 | 19 | limsupval 15183 | . . . 4 ⊢ (𝐹 ∈ 𝑉 → (lim sup‘𝐹) = inf(ran (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < )) |
21 | 14, 20 | syl 17 | . . 3 ⊢ (𝜑 → (lim sup‘𝐹) = inf(ran (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < )) |
22 | 18, 21 | breq12d 5087 | . 2 ⊢ (𝜑 → ((lim sup‘(𝐹 ↾ 𝐶)) ≤ (lim sup‘𝐹) ↔ inf(ran (𝑘 ∈ ℝ ↦ sup((((𝐹 ↾ 𝐶) “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < ) ≤ inf(ran (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < ))) |
23 | 13, 22 | mpbird 256 | 1 ⊢ (𝜑 → (lim sup‘(𝐹 ↾ 𝐶)) ≤ (lim sup‘𝐹)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 Vcvv 3432 ∩ cin 3886 ⊆ wss 3887 class class class wbr 5074 ↦ cmpt 5157 ran crn 5590 ↾ cres 5591 “ cima 5592 ‘cfv 6433 (class class class)co 7275 supcsup 9199 infcinf 9200 ℝcr 10870 +∞cpnf 11006 ℝ*cxr 11008 < clt 11009 ≤ cle 11010 [,)cico 13081 lim supclsp 15179 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 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 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-po 5503 df-so 5504 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-sup 9201 df-inf 9202 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-limsup 15180 |
This theorem is referenced by: (None) |
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