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| Mirrors > Home > MPE Home > Th. List > uniioombllem1 | Structured version Visualization version GIF version | ||
| Description: Lemma for uniioombl 25578. (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 2741 | . . . . . 6 ⊢ ((abs ∘ − ) ∘ 𝐺) = ((abs ∘ − ) ∘ 𝐺) | |
| 3 | uniioombl.t | . . . . . 6 ⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺)) | |
| 4 | 2, 3 | ovolsf 25461 | . . . . 5 ⊢ (𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → 𝑇:ℕ⟶(0[,)+∞)) |
| 5 | 1, 4 | syl 17 | . . . 4 ⊢ (𝜑 → 𝑇:ℕ⟶(0[,)+∞)) |
| 6 | 5 | frnd 6667 | . . 3 ⊢ (𝜑 → ran 𝑇 ⊆ (0[,)+∞)) |
| 7 | rge0ssre 13404 | . . 3 ⊢ (0[,)+∞) ⊆ ℝ | |
| 8 | 6, 7 | sstrdi 3929 | . 2 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ) |
| 9 | 1nn 12180 | . . . . 5 ⊢ 1 ∈ ℕ | |
| 10 | 5 | fdmd 6669 | . . . . 5 ⊢ (𝜑 → dom 𝑇 = ℕ) |
| 11 | 9, 10 | eleqtrrid 2848 | . . . 4 ⊢ (𝜑 → 1 ∈ dom 𝑇) |
| 12 | 11 | ne0d 4273 | . . 3 ⊢ (𝜑 → dom 𝑇 ≠ ∅) |
| 13 | dm0rn0 5873 | . . . 4 ⊢ (dom 𝑇 = ∅ ↔ ran 𝑇 = ∅) | |
| 14 | 13 | necon3bii 2988 | . . 3 ⊢ (dom 𝑇 ≠ ∅ ↔ ran 𝑇 ≠ ∅) |
| 15 | 12, 14 | sylib 220 | . 2 ⊢ (𝜑 → ran 𝑇 ≠ ∅) |
| 16 | icossxr 13380 | . . . . 5 ⊢ (0[,)+∞) ⊆ ℝ* | |
| 17 | 6, 16 | sstrdi 3929 | . . . 4 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ*) |
| 18 | supxrcl 13262 | . . . 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 12981 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| 23 | 20, 22 | readdcld 11169 | . . . 4 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ) |
| 24 | 23 | rexrd 11190 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ*) |
| 25 | pnfxr 11194 | . . . 4 ⊢ +∞ ∈ ℝ* | |
| 26 | 25 | a1i 11 | . . 3 ⊢ (𝜑 → +∞ ∈ ℝ*) |
| 27 | uniioombl.v | . . 3 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ≤ ((vol*‘𝐸) + 𝐶)) | |
| 28 | 23 | ltpnfd 13067 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) < +∞) |
| 29 | 19, 24, 26, 27, 28 | xrlelttrd 13106 | . 2 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) < +∞) |
| 30 | supxrbnd 13275 | . 2 ⊢ ((ran 𝑇 ⊆ ℝ ∧ ran 𝑇 ≠ ∅ ∧ sup(ran 𝑇, ℝ*, < ) < +∞) → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) | |
| 31 | 8, 15, 29, 30 | syl3anc 1380 | 1 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1548 ∈ wcel 2121 ≠ wne 2936 ∩ cin 3884 ⊆ wss 3885 ∅c0 4264 ∪ cuni 4841 Disj wdisj 5042 class class class wbr 5075 × cxp 5619 dom cdm 5621 ran crn 5622 ∘ ccom 5625 ⟶wf 6485 ‘cfv 6489 (class class class)co 7360 supcsup 9347 ℝcr 11032 0cc0 11033 1c1 11034 + caddc 11036 +∞cpnf 11171 ℝ*cxr 11173 < clt 11174 ≤ cle 11175 − cmin 11372 ℕcn 12169 ℝ+crp 12937 (,)cioo 13293 [,)cico 13295 seqcseq 13958 abscabs 15191 vol*covol 25451 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 ax-cnex 11089 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 ax-pre-sup 11111 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-rmo 3346 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-sup 9349 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-div 11803 df-nn 12170 df-2 12239 df-3 12240 df-n0 12433 df-z 12520 df-uz 12784 df-rp 12938 df-ico 13299 df-fz 13457 df-seq 13959 df-exp 14019 df-cj 15056 df-re 15057 df-im 15058 df-sqrt 15192 df-abs 15193 |
| This theorem is referenced by: uniioombllem3 25574 uniioombllem4 25575 uniioombllem5 25576 uniioombllem6 25577 |
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