| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > limsuplesup | Structured version Visualization version GIF version | ||
| Description: An upper bound for the superior limit. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| limsuplesup.1 | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
| limsuplesup.2 | ⊢ (𝜑 → 𝐾 ∈ ℝ) |
| Ref | Expression |
|---|---|
| limsuplesup | ⊢ (𝜑 → (lim sup‘𝐹) ≤ sup(((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*), ℝ*, < )) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | limsuplesup.1 | . . 3 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
| 2 | eqid 2731 | . . . 4 ⊢ (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) = (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )) | |
| 3 | 2 | limsupval 15381 | . . 3 ⊢ (𝐹 ∈ 𝑉 → (lim sup‘𝐹) = inf(ran (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < )) |
| 4 | 1, 3 | syl 17 | . 2 ⊢ (𝜑 → (lim sup‘𝐹) = inf(ran (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < )) |
| 5 | nfv 1915 | . . 3 ⊢ Ⅎ𝑘𝜑 | |
| 6 | inss2 4185 | . . . . 5 ⊢ ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ℝ* | |
| 7 | 6 | a1i 11 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*) ⊆ ℝ*) |
| 8 | 7 | supxrcld 45214 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ ℝ) → sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < ) ∈ ℝ*) |
| 9 | limsuplesup.2 | . . 3 ⊢ (𝜑 → 𝐾 ∈ ℝ) | |
| 10 | inss2 4185 | . . . . 5 ⊢ ((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*) ⊆ ℝ* | |
| 11 | 10 | a1i 11 | . . . 4 ⊢ (𝜑 → ((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*) ⊆ ℝ*) |
| 12 | 11 | supxrcld 45214 | . . 3 ⊢ (𝜑 → sup(((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*), ℝ*, < ) ∈ ℝ*) |
| 13 | oveq1 7353 | . . . . . 6 ⊢ (𝑘 = 𝐾 → (𝑘[,)+∞) = (𝐾[,)+∞)) | |
| 14 | 13 | imaeq2d 6008 | . . . . 5 ⊢ (𝑘 = 𝐾 → (𝐹 “ (𝑘[,)+∞)) = (𝐹 “ (𝐾[,)+∞))) |
| 15 | 14 | ineq1d 4166 | . . . 4 ⊢ (𝑘 = 𝐾 → ((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*) = ((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*)) |
| 16 | 15 | supeq1d 9330 | . . 3 ⊢ (𝑘 = 𝐾 → sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < ) = sup(((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*), ℝ*, < )) |
| 17 | 5, 8, 9, 12, 16 | infxrlbrnmpt2 45518 | . 2 ⊢ (𝜑 → inf(ran (𝑘 ∈ ℝ ↦ sup(((𝐹 “ (𝑘[,)+∞)) ∩ ℝ*), ℝ*, < )), ℝ*, < ) ≤ sup(((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*), ℝ*, < )) |
| 18 | 4, 17 | eqbrtrd 5111 | 1 ⊢ (𝜑 → (lim sup‘𝐹) ≤ sup(((𝐹 “ (𝐾[,)+∞)) ∩ ℝ*), ℝ*, < )) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2111 ∩ cin 3896 ⊆ wss 3897 class class class wbr 5089 ↦ cmpt 5170 ran crn 5615 “ cima 5617 ‘cfv 6481 (class class class)co 7346 supcsup 9324 infcinf 9325 ℝcr 11005 +∞cpnf 11143 ℝ*cxr 11145 < clt 11146 ≤ cle 11147 [,)cico 13247 lim supclsp 15377 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 ax-un 7668 ax-cnex 11062 ax-resscn 11063 ax-1cn 11064 ax-icn 11065 ax-addcl 11066 ax-addrcl 11067 ax-mulcl 11068 ax-mulrcl 11069 ax-mulcom 11070 ax-addass 11071 ax-mulass 11072 ax-distr 11073 ax-i2m1 11074 ax-1ne0 11075 ax-1rid 11076 ax-rnegex 11077 ax-rrecex 11078 ax-cnre 11079 ax-pre-lttri 11080 ax-pre-lttrn 11081 ax-pre-ltadd 11082 ax-pre-mulgt0 11083 ax-pre-sup 11084 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-br 5090 df-opab 5152 df-mpt 5171 df-id 5509 df-po 5522 df-so 5523 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-riota 7303 df-ov 7349 df-oprab 7350 df-mpo 7351 df-er 8622 df-en 8870 df-dom 8871 df-sdom 8872 df-sup 9326 df-inf 9327 df-pnf 11148 df-mnf 11149 df-xr 11150 df-ltxr 11151 df-le 11152 df-sub 11346 df-neg 11347 df-limsup 15378 |
| This theorem is referenced by: (None) |
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