| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > uniioombllem1 | Structured version Visualization version GIF version | ||
| Description: Lemma for uniioombl 25849. (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 2760 | . . . . . 6 ⊢ ((abs ∘ − ) ∘ 𝐺) = ((abs ∘ − ) ∘ 𝐺) | |
| 3 | uniioombl.t | . . . . . 6 ⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺)) | |
| 4 | 2, 3 | ovolsf 25732 | . . . . 5 ⊢ (𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → 𝑇:ℕ⟶(0[,)+∞)) |
| 5 | 1, 4 | syl 18 | . . . 4 ⊢ (𝜑 → 𝑇:ℕ⟶(0[,)+∞)) |
| 6 | 5 | frnd 6714 | . . 3 ⊢ (𝜑 → ran 𝑇 ⊆ (0[,)+∞)) |
| 7 | rge0ssre 13534 | . . 3 ⊢ (0[,)+∞) ⊆ ℝ | |
| 8 | 6, 7 | sstrdi 3943 | . 2 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ) |
| 9 | 1nn 12293 | . . . . 5 ⊢ 1 ∈ ℕ | |
| 10 | 5 | fdmd 6716 | . . . . 5 ⊢ (𝜑 → dom 𝑇 = ℕ) |
| 11 | 9, 10 | eleqtrrid 2867 | . . . 4 ⊢ (𝜑 → 1 ∈ dom 𝑇) |
| 12 | 11 | ne0d 4288 | . . 3 ⊢ (𝜑 → dom 𝑇 ≠ ∅) |
| 13 | dm0rn0 5910 | . . . 4 ⊢ (dom 𝑇 = ∅ ↔ ran 𝑇 = ∅) | |
| 14 | 13 | necon3bii 3007 | . . 3 ⊢ (dom 𝑇 ≠ ∅ ↔ ran 𝑇 ≠ ∅) |
| 15 | 12, 14 | sylib 221 | . 2 ⊢ (𝜑 → ran 𝑇 ≠ ∅) |
| 16 | icossxr 13510 | . . . . 5 ⊢ (0[,)+∞) ⊆ ℝ* | |
| 17 | 6, 16 | sstrdi 3943 | . . . 4 ⊢ (𝜑 → ran 𝑇 ⊆ ℝ*) |
| 18 | supxrcl 13392 | . . . 4 ⊢ (ran 𝑇 ⊆ ℝ* → sup(ran 𝑇, ℝ*, < ) ∈ ℝ*) | |
| 19 | 17, 18 | syl 18 | . . 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 13111 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| 23 | 20, 22 | readdcld 11287 | . . . 4 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ) |
| 24 | 23 | rexrd 11308 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) ∈ ℝ*) |
| 25 | pnfxr 11312 | . . . 4 ⊢ +∞ ∈ ℝ* | |
| 26 | 25 | a1i 11 | . . 3 ⊢ (𝜑 → +∞ ∈ ℝ*) |
| 27 | uniioombl.v | . . 3 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ≤ ((vol*‘𝐸) + 𝐶)) | |
| 28 | 23 | ltpnfd 13197 | . . 3 ⊢ (𝜑 → ((vol*‘𝐸) + 𝐶) < +∞) |
| 29 | 19, 24, 26, 27, 28 | xrlelttrd 13236 | . 2 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) < +∞) |
| 30 | supxrbnd 13405 | . 2 ⊢ ((ran 𝑇 ⊆ ℝ ∧ ran 𝑇 ≠ ∅ ∧ sup(ran 𝑇, ℝ*, < ) < +∞) → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) | |
| 31 | 8, 15, 29, 30 | syl3anc 1398 | 1 ⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ≠ wne 2955 ∩ cin 3898 ⊆ wss 3899 ∅c0 4279 ∪ cuni 4867 Disj wdisj 5070 class class class wbr 5103 × cxp 5653 dom cdm 5655 ran crn 5656 ∘ ccom 5659 ⟶wf 6531 ‘cfv 6535 (class class class)co 7416 supcsup 9417 ℝcr 11148 0cc0 11149 1c1 11150 + caddc 11152 +∞cpnf 11289 ℝ*cxr 11291 < clt 11292 ≤ cle 11293 − cmin 11490 ℕcn 12282 ℝ+crp 13067 (,)cioo 13423 [,)cico 13425 seqcseq 14090 abscabs 15346 vol*covol 25722 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7742 ax-cnex 11205 ax-resscn 11206 ax-1cn 11207 ax-icn 11208 ax-addcl 11209 ax-addrcl 11210 ax-mulcl 11211 ax-mulrcl 11212 ax-mulcom 11213 ax-addass 11214 ax-mulass 11215 ax-distr 11216 ax-i2m1 11217 ax-1ne0 11218 ax-1rid 11219 ax-rnegex 11220 ax-rrecex 11221 ax-cnre 11222 ax-pre-lttri 11223 ax-pre-lttrn 11224 ax-pre-ltadd 11225 ax-pre-mulgt0 11226 ax-pre-sup 11227 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6301 df-ord 6362 df-on 6363 df-lim 6364 df-suc 6365 df-iota 6491 df-fun 6537 df-fn 6538 df-f 6539 df-f1 6540 df-fo 6541 df-f1o 6542 df-fv 6543 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8285 df-wrecs 8316 df-recs 8365 df-rdg 8404 df-er 8703 df-en 8960 df-dom 8961 df-sdom 8962 df-sup 9419 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11492 df-neg 11493 df-div 11921 df-nn 12283 df-2 12352 df-3 12353 df-n0 12554 df-z 12641 df-uz 12913 df-rp 13068 df-ico 13429 df-fz 13587 df-seq 14091 df-exp 14151 df-cj 15211 df-re 15212 df-im 15213 df-sqrt 15347 df-abs 15348 |
| This theorem is used by: uniioombllem3 25845 uniioombllem4 25846 uniioombllem5 25847 uniioombllem6 25848 |
| Copyright terms: Public domain | W3C validator |