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Mirrors > Home > MPE Home > Th. List > dvfsumrlimf | Structured version Visualization version GIF version |
Description: Lemma for dvfsumrlim 26092. (Contributed by Mario Carneiro, 18-May-2016.) |
Ref | Expression |
---|---|
dvfsum.s | ⊢ 𝑆 = (𝑇(,)+∞) |
dvfsum.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
dvfsum.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
dvfsum.d | ⊢ (𝜑 → 𝐷 ∈ ℝ) |
dvfsum.md | ⊢ (𝜑 → 𝑀 ≤ (𝐷 + 1)) |
dvfsum.t | ⊢ (𝜑 → 𝑇 ∈ ℝ) |
dvfsum.a | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → 𝐴 ∈ ℝ) |
dvfsum.b1 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → 𝐵 ∈ 𝑉) |
dvfsum.b2 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑍) → 𝐵 ∈ ℝ) |
dvfsum.b3 | ⊢ (𝜑 → (ℝ D (𝑥 ∈ 𝑆 ↦ 𝐴)) = (𝑥 ∈ 𝑆 ↦ 𝐵)) |
dvfsum.c | ⊢ (𝑥 = 𝑘 → 𝐵 = 𝐶) |
dvfsumrlimf.g | ⊢ 𝐺 = (𝑥 ∈ 𝑆 ↦ (Σ𝑘 ∈ (𝑀...(⌊‘𝑥))𝐶 − 𝐴)) |
Ref | Expression |
---|---|
dvfsumrlimf | ⊢ (𝜑 → 𝐺:𝑆⟶ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fzfid 14024 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → (𝑀...(⌊‘𝑥)) ∈ Fin) | |
2 | dvfsum.b2 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑍) → 𝐵 ∈ ℝ) | |
3 | 2 | ralrimiva 3152 | . . . . . 6 ⊢ (𝜑 → ∀𝑥 ∈ 𝑍 𝐵 ∈ ℝ) |
4 | 3 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → ∀𝑥 ∈ 𝑍 𝐵 ∈ ℝ) |
5 | elfzuz 13580 | . . . . . 6 ⊢ (𝑘 ∈ (𝑀...(⌊‘𝑥)) → 𝑘 ∈ (ℤ≥‘𝑀)) | |
6 | dvfsum.z | . . . . . 6 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
7 | 5, 6 | eleqtrrdi 2855 | . . . . 5 ⊢ (𝑘 ∈ (𝑀...(⌊‘𝑥)) → 𝑘 ∈ 𝑍) |
8 | dvfsum.c | . . . . . . 7 ⊢ (𝑥 = 𝑘 → 𝐵 = 𝐶) | |
9 | 8 | eleq1d 2829 | . . . . . 6 ⊢ (𝑥 = 𝑘 → (𝐵 ∈ ℝ ↔ 𝐶 ∈ ℝ)) |
10 | 9 | rspccva 3634 | . . . . 5 ⊢ ((∀𝑥 ∈ 𝑍 𝐵 ∈ ℝ ∧ 𝑘 ∈ 𝑍) → 𝐶 ∈ ℝ) |
11 | 4, 7, 10 | syl2an 595 | . . . 4 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝑆) ∧ 𝑘 ∈ (𝑀...(⌊‘𝑥))) → 𝐶 ∈ ℝ) |
12 | 1, 11 | fsumrecl 15782 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → Σ𝑘 ∈ (𝑀...(⌊‘𝑥))𝐶 ∈ ℝ) |
13 | dvfsum.a | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → 𝐴 ∈ ℝ) | |
14 | 12, 13 | resubcld 11718 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → (Σ𝑘 ∈ (𝑀...(⌊‘𝑥))𝐶 − 𝐴) ∈ ℝ) |
15 | dvfsumrlimf.g | . 2 ⊢ 𝐺 = (𝑥 ∈ 𝑆 ↦ (Σ𝑘 ∈ (𝑀...(⌊‘𝑥))𝐶 − 𝐴)) | |
16 | 14, 15 | fmptd 7148 | 1 ⊢ (𝜑 → 𝐺:𝑆⟶ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1537 ∈ wcel 2108 ∀wral 3067 class class class wbr 5166 ↦ cmpt 5249 ⟶wf 6569 ‘cfv 6573 (class class class)co 7448 ℝcr 11183 1c1 11185 + caddc 11187 +∞cpnf 11321 ≤ cle 11325 − cmin 11520 ℤcz 12639 ℤ≥cuz 12903 (,)cioo 13407 ...cfz 13567 ⌊cfl 13841 Σcsu 15734 D cdv 25918 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 ax-inf2 9710 ax-cnex 11240 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-addrcl 11245 ax-mulcl 11246 ax-mulrcl 11247 ax-mulcom 11248 ax-addass 11249 ax-mulass 11250 ax-distr 11251 ax-i2m1 11252 ax-1ne0 11253 ax-1rid 11254 ax-rnegex 11255 ax-rrecex 11256 ax-cnre 11257 ax-pre-lttri 11258 ax-pre-lttrn 11259 ax-pre-ltadd 11260 ax-pre-mulgt0 11261 ax-pre-sup 11262 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-nel 3053 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-pss 3996 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-int 4971 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-tr 5284 df-id 5593 df-eprel 5599 df-po 5607 df-so 5608 df-fr 5652 df-se 5653 df-we 5654 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-pred 6332 df-ord 6398 df-on 6399 df-lim 6400 df-suc 6401 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-isom 6582 df-riota 7404 df-ov 7451 df-oprab 7452 df-mpo 7453 df-om 7904 df-1st 8030 df-2nd 8031 df-frecs 8322 df-wrecs 8353 df-recs 8427 df-rdg 8466 df-1o 8522 df-er 8763 df-en 9004 df-dom 9005 df-sdom 9006 df-fin 9007 df-sup 9511 df-oi 9579 df-card 10008 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11522 df-neg 11523 df-div 11948 df-nn 12294 df-2 12356 df-3 12357 df-n0 12554 df-z 12640 df-uz 12904 df-rp 13058 df-fz 13568 df-fzo 13712 df-seq 14053 df-exp 14113 df-hash 14380 df-cj 15148 df-re 15149 df-im 15150 df-sqrt 15284 df-abs 15285 df-clim 15534 df-sum 15735 |
This theorem is referenced by: dvfsumrlim 26092 dvfsumrlim2 26093 dvfsumrlim3 26094 |
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