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| Mirrors > Home > MPE Home > Th. List > uniioombllem1 | Structured version Visualization version GIF version | ||
| Description: Lemma for uniioombl 25544. (Contributed by Mario Carneiro, 25-Mar-2015.) |
| Ref | Expression |
|---|---|
| uniioombl.1 | ⊢ (𝜑 → 𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ))) |
| uniioombl.2 | ⊢ (𝜑 → Disj 𝑥 ∈ ℕ ((,)‘(𝐹‘𝑥))) |
| uniioombl.3 | ⊢ 𝑆 = seq1( + , ((abs ∘ − ) ∘ 𝐹)) |
| uniioombl.a | ⊢ 𝐴 = ∪ ran ((,) ∘ 𝐹) |
| uniioombl.e | ⊢ (𝜑 → (vol*‘𝐸) ∈ ℝ) |
| uniioombl.c | ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
| uniioombl.g | ⊢ (𝜑 → 𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ))) |
| uniioombl.s | ⊢ (𝜑 → 𝐸 ⊆ ∪ ran ((,) ∘ 𝐺)) |
| uniioombl.t | ⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺)) |
| uniioombl.v | ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ≤ ((vol*‘𝐸) + 𝐶)) |
| Ref | Expression |
|---|---|
| uniioombllem1 | ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uniioombl.g | . . . . 5 ⊢ (𝜑 → 𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ))) | |
| 2 | eqid 2734 | . . . . . 6 ⊢ ((abs ∘ − ) ∘ 𝐺) = ((abs ∘ − ) ∘ 𝐺) | |
| 3 | uniioombl.t | . . . . . 6 ⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺)) | |
| 4 | 2, 3 | ovolsf 25427 | . . . . 5 ⊢ (𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → 𝑇:ℕ⟶(0[,)+∞)) |
| 5 | 1, 4 | syl 17 | . . . 4 ⊢ (𝜑 → 𝑇:ℕ⟶(0[,)+∞)) |
| 6 | 5 | frnd 6668 | . . 3 ⊢ (𝜑 → ran 𝑇 ⊆ (0[,)+∞)) |
| 7 | rge0ssre 13370 | . . 3 ⊢ (0[,)+∞) ⊆ ℝ | |
| 8 | 6, 7 | sstrdi 3944 | . 2 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ) |
| 9 | 1nn 12154 | . . . . 5 ⊢ 1 ∈ ℕ | |
| 10 | 5 | fdmd 6670 | . . . . 5 ⊢ (𝜑 → dom 𝑇 = ℕ) |
| 11 | 9, 10 | eleqtrrid 2841 | . . . 4 ⊢ (𝜑 → 1 ∈ dom 𝑇) |
| 12 | 11 | ne0d 4292 | . . 3 ⊢ (𝜑 → dom 𝑇 ≠ ∅) |
| 13 | dm0rn0 5871 | . . . 4 ⊢ (dom 𝑇 = ∅ ↔ ran 𝑇 = ∅) | |
| 14 | 13 | necon3bii 2982 | . . 3 ⊢ (dom 𝑇 ≠ ∅ ↔ ran 𝑇 ≠ ∅) |
| 15 | 12, 14 | sylib 218 | . 2 ⊢ (𝜑 → ran 𝑇 ≠ ∅) |
| 16 | icossxr 13346 | . . . . 5 ⊢ (0[,)+∞) ⊆ ℝ* | |
| 17 | 6, 16 | sstrdi 3944 | . . . 4 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ*) |
| 18 | supxrcl 13228 | . . . 4 ⊢ (ran 𝑇 ⊆ ℝ* → sup(ran 𝑇, ℝ*, < ) ∈ ℝ*) | |
| 19 | 17, 18 | syl 17 | . . 3 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ*) |
| 20 | uniioombl.e | . . . . 5 ⊢ (𝜑 → (vol*‘𝐸) ∈ ℝ) | |
| 21 | uniioombl.c | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℝ+) | |
| 22 | 21 | rpred 12947 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| 23 | 20, 22 | readdcld 11159 | . . . 4 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ) |
| 24 | 23 | rexrd 11180 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ*) |
| 25 | pnfxr 11184 | . . . 4 ⊢ +∞ ∈ ℝ* | |
| 26 | 25 | a1i 11 | . . 3 ⊢ (𝜑 → +∞ ∈ ℝ*) |
| 27 | uniioombl.v | . . 3 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ≤ ((vol*‘𝐸) + 𝐶)) | |
| 28 | 23 | ltpnfd 13033 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) < +∞) |
| 29 | 19, 24, 26, 27, 28 | xrlelttrd 13072 | . 2 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) < +∞) |
| 30 | supxrbnd 13241 | . 2 ⊢ ((ran 𝑇 ⊆ ℝ ∧ ran 𝑇 ≠ ∅ ∧ sup(ran 𝑇, ℝ*, < ) < +∞) → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) | |
| 31 | 8, 15, 29, 30 | syl3anc 1373 | 1 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ≠ wne 2930 ∩ cin 3898 ⊆ wss 3899 ∅c0 4283 ∪ cuni 4861 Disj wdisj 5063 class class class wbr 5096 × cxp 5620 dom cdm 5622 ran crn 5623 ∘ ccom 5626 ⟶wf 6486 ‘cfv 6490 (class class class)co 7356 supcsup 9341 ℝcr 11023 0cc0 11024 1c1 11025 + caddc 11027 +∞cpnf 11161 ℝ*cxr 11163 < clt 11164 ≤ cle 11165 − cmin 11362 ℕcn 12143 ℝ+crp 12903 (,)cioo 13259 [,)cico 13261 seqcseq 13922 abscabs 15155 vol*covol 25417 |
| 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 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 ax-pre-sup 11102 |
| 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 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-1st 7931 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-sup 9343 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-div 11793 df-nn 12144 df-2 12206 df-3 12207 df-n0 12400 df-z 12487 df-uz 12750 df-rp 12904 df-ico 13265 df-fz 13422 df-seq 13923 df-exp 13983 df-cj 15020 df-re 15021 df-im 15022 df-sqrt 15156 df-abs 15157 |
| This theorem is referenced by: uniioombllem3 25540 uniioombllem4 25541 uniioombllem5 25542 uniioombllem6 25543 |
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