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| Mirrors > Home > MPE Home > Th. List > Mathboxes > limsupvaluzmpt | Structured version Visualization version GIF version | ||
| Description: The superior limit, when the domain of the function is a set of upper integers (the first condition is needed, otherwise the l.h.s. would be -∞ and the r.h.s. would be +∞). (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| limsupvaluzmpt.j | ⊢ Ⅎ𝑗𝜑 |
| limsupvaluzmpt.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| limsupvaluzmpt.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| limsupvaluzmpt.b | ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → 𝐵 ∈ ℝ*) |
| Ref | Expression |
|---|---|
| limsupvaluzmpt | ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝑍 ↦ 𝐵)) = inf(ran (𝑘 ∈ 𝑍 ↦ sup(ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵), ℝ*, < )), ℝ*, < )) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | limsupvaluzmpt.m | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 2 | limsupvaluzmpt.z | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 3 | limsupvaluzmpt.j | . . . 4 ⊢ Ⅎ𝑗𝜑 | |
| 4 | limsupvaluzmpt.b | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → 𝐵 ∈ ℝ*) | |
| 5 | 3, 4 | fmptd2f 45593 | . . 3 ⊢ (𝜑 → (𝑗 ∈ 𝑍 ↦ 𝐵):𝑍⟶ℝ*) |
| 6 | 1, 2, 5 | limsupvaluz 46066 | . 2 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝑍 ↦ 𝐵)) = inf(ran (𝑘 ∈ 𝑍 ↦ sup(ran ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)), ℝ*, < )), ℝ*, < )) |
| 7 | 2 | uzssd3 45784 | . . . . . . . . 9 ⊢ (𝑘 ∈ 𝑍 → (ℤ≥‘𝑘) ⊆ 𝑍) |
| 8 | 7 | resmptd 6007 | . . . . . . . 8 ⊢ (𝑘 ∈ 𝑍 → ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)) = (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵)) |
| 9 | 8 | rneqd 5895 | . . . . . . 7 ⊢ (𝑘 ∈ 𝑍 → ran ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)) = ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵)) |
| 10 | 9 | supeq1d 9361 | . . . . . 6 ⊢ (𝑘 ∈ 𝑍 → sup(ran ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)), ℝ*, < ) = sup(ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵), ℝ*, < )) |
| 11 | 10 | mpteq2ia 5195 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ sup(ran ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)), ℝ*, < )) = (𝑘 ∈ 𝑍 ↦ sup(ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵), ℝ*, < )) |
| 12 | 11 | a1i 11 | . . . 4 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ sup(ran ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)), ℝ*, < )) = (𝑘 ∈ 𝑍 ↦ sup(ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵), ℝ*, < ))) |
| 13 | 12 | rneqd 5895 | . . 3 ⊢ (𝜑 → ran (𝑘 ∈ 𝑍 ↦ sup(ran ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)), ℝ*, < )) = ran (𝑘 ∈ 𝑍 ↦ sup(ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵), ℝ*, < ))) |
| 14 | 13 | infeq1d 9393 | . 2 ⊢ (𝜑 → inf(ran (𝑘 ∈ 𝑍 ↦ sup(ran ((𝑗 ∈ 𝑍 ↦ 𝐵) ↾ (ℤ≥‘𝑘)), ℝ*, < )), ℝ*, < ) = inf(ran (𝑘 ∈ 𝑍 ↦ sup(ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵), ℝ*, < )), ℝ*, < )) |
| 15 | 6, 14 | eqtrd 2772 | 1 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝑍 ↦ 𝐵)) = inf(ran (𝑘 ∈ 𝑍 ↦ sup(ran (𝑗 ∈ (ℤ≥‘𝑘) ↦ 𝐵), ℝ*, < )), ℝ*, < )) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 Ⅎwnf 1785 ∈ wcel 2114 ↦ cmpt 5181 ran crn 5633 ↾ cres 5634 ‘cfv 6500 supcsup 9355 infcinf 9356 ℝ*cxr 11177 < clt 11178 ℤcz 12500 ℤ≥cuz 12763 lim supclsp 15405 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-sup 9357 df-inf 9358 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-n0 12414 df-z 12501 df-uz 12764 df-ico 13279 df-fl 13724 df-limsup 15406 |
| This theorem is referenced by: smflimsuplem4 47181 |
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