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| Mirrors > Home > MPE Home > Th. List > uniioombllem1 | Structured version Visualization version GIF version | ||
| Description: Lemma for uniioombl 25550. (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 2737 | . . . . . 6 ⊢ ((abs ∘ − ) ∘ 𝐺) = ((abs ∘ − ) ∘ 𝐺) | |
| 3 | uniioombl.t | . . . . . 6 ⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺)) | |
| 4 | 2, 3 | ovolsf 25433 | . . . . 5 ⊢ (𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → 𝑇:ℕ⟶(0[,)+∞)) |
| 5 | 1, 4 | syl 17 | . . . 4 ⊢ (𝜑 → 𝑇:ℕ⟶(0[,)+∞)) |
| 6 | 5 | frnd 6671 | . . 3 ⊢ (𝜑 → ran 𝑇 ⊆ (0[,)+∞)) |
| 7 | rge0ssre 13376 | . . 3 ⊢ (0[,)+∞) ⊆ ℝ | |
| 8 | 6, 7 | sstrdi 3947 | . 2 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ) |
| 9 | 1nn 12160 | . . . . 5 ⊢ 1 ∈ ℕ | |
| 10 | 5 | fdmd 6673 | . . . . 5 ⊢ (𝜑 → dom 𝑇 = ℕ) |
| 11 | 9, 10 | eleqtrrid 2844 | . . . 4 ⊢ (𝜑 → 1 ∈ dom 𝑇) |
| 12 | 11 | ne0d 4295 | . . 3 ⊢ (𝜑 → dom 𝑇 ≠ ∅) |
| 13 | dm0rn0 5874 | . . . 4 ⊢ (dom 𝑇 = ∅ ↔ ran 𝑇 = ∅) | |
| 14 | 13 | necon3bii 2985 | . . 3 ⊢ (dom 𝑇 ≠ ∅ ↔ ran 𝑇 ≠ ∅) |
| 15 | 12, 14 | sylib 218 | . 2 ⊢ (𝜑 → ran 𝑇 ≠ ∅) |
| 16 | icossxr 13352 | . . . . 5 ⊢ (0[,)+∞) ⊆ ℝ* | |
| 17 | 6, 16 | sstrdi 3947 | . . . 4 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ*) |
| 18 | supxrcl 13234 | . . . 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 12953 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| 23 | 20, 22 | readdcld 11165 | . . . 4 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ) |
| 24 | 23 | rexrd 11186 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ*) |
| 25 | pnfxr 11190 | . . . 4 ⊢ +∞ ∈ ℝ* | |
| 26 | 25 | a1i 11 | . . 3 ⊢ (𝜑 → +∞ ∈ ℝ*) |
| 27 | uniioombl.v | . . 3 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ≤ ((vol*‘𝐸) + 𝐶)) | |
| 28 | 23 | ltpnfd 13039 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) < +∞) |
| 29 | 19, 24, 26, 27, 28 | xrlelttrd 13078 | . 2 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) < +∞) |
| 30 | supxrbnd 13247 | . 2 ⊢ ((ran 𝑇 ⊆ ℝ ∧ ran 𝑇 ≠ ∅ ∧ sup(ran 𝑇, ℝ*, < ) < +∞) → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) | |
| 31 | 8, 15, 29, 30 | syl3anc 1374 | 1 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∩ cin 3901 ⊆ wss 3902 ∅c0 4286 ∪ cuni 4864 Disj wdisj 5066 class class class wbr 5099 × cxp 5623 dom cdm 5625 ran crn 5626 ∘ ccom 5629 ⟶wf 6489 ‘cfv 6493 (class class class)co 7360 supcsup 9347 ℝcr 11029 0cc0 11030 1c1 11031 + caddc 11033 +∞cpnf 11167 ℝ*cxr 11169 < clt 11170 ≤ cle 11171 − cmin 11368 ℕcn 12149 ℝ+crp 12909 (,)cioo 13265 [,)cico 13267 seqcseq 13928 abscabs 15161 vol*covol 25423 |
| 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-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 ax-cnex 11086 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-addrcl 11091 ax-mulcl 11092 ax-mulrcl 11093 ax-mulcom 11094 ax-addass 11095 ax-mulass 11096 ax-distr 11097 ax-i2m1 11098 ax-1ne0 11099 ax-1rid 11100 ax-rnegex 11101 ax-rrecex 11102 ax-cnre 11103 ax-pre-lttri 11104 ax-pre-lttrn 11105 ax-pre-ltadd 11106 ax-pre-mulgt0 11107 ax-pre-sup 11108 |
| 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 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 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 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12150 df-2 12212 df-3 12213 df-n0 12406 df-z 12493 df-uz 12756 df-rp 12910 df-ico 13271 df-fz 13428 df-seq 13929 df-exp 13989 df-cj 15026 df-re 15027 df-im 15028 df-sqrt 15162 df-abs 15163 |
| This theorem is referenced by: uniioombllem3 25546 uniioombllem4 25547 uniioombllem5 25548 uniioombllem6 25549 |
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