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Mirrors > Home > MPE Home > Th. List > dvfsumrlimf | Structured version Visualization version GIF version |
Description: Lemma for dvfsumrlim 25176. (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 13674 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → (𝑀...(⌊‘𝑥)) ∈ Fin) | |
2 | dvfsum.b2 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑍) → 𝐵 ∈ ℝ) | |
3 | 2 | ralrimiva 3109 | . . . . . 6 ⊢ (𝜑 → ∀𝑥 ∈ 𝑍 𝐵 ∈ ℝ) |
4 | 3 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → ∀𝑥 ∈ 𝑍 𝐵 ∈ ℝ) |
5 | elfzuz 13234 | . . . . . 6 ⊢ (𝑘 ∈ (𝑀...(⌊‘𝑥)) → 𝑘 ∈ (ℤ≥‘𝑀)) | |
6 | dvfsum.z | . . . . . 6 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
7 | 5, 6 | eleqtrrdi 2851 | . . . . 5 ⊢ (𝑘 ∈ (𝑀...(⌊‘𝑥)) → 𝑘 ∈ 𝑍) |
8 | dvfsum.c | . . . . . . 7 ⊢ (𝑥 = 𝑘 → 𝐵 = 𝐶) | |
9 | 8 | eleq1d 2824 | . . . . . 6 ⊢ (𝑥 = 𝑘 → (𝐵 ∈ ℝ ↔ 𝐶 ∈ ℝ)) |
10 | 9 | rspccva 3559 | . . . . 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 15427 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → Σ𝑘 ∈ (𝑀...(⌊‘𝑥))𝐶 ∈ ℝ) |
13 | dvfsum.a | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → 𝐴 ∈ ℝ) | |
14 | 12, 13 | resubcld 11386 | . 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 6982 | 1 ⊢ (𝜑 → 𝐺:𝑆⟶ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2109 ∀wral 3065 class class class wbr 5078 ↦ cmpt 5161 ⟶wf 6426 ‘cfv 6430 (class class class)co 7268 ℝcr 10854 1c1 10856 + caddc 10858 +∞cpnf 10990 ≤ cle 10994 − cmin 11188 ℤcz 12302 ℤ≥cuz 12564 (,)cioo 13061 ...cfz 13221 ⌊cfl 13491 Σcsu 15378 D cdv 25008 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-rep 5213 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-inf2 9360 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 ax-pre-sup 10933 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-int 4885 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-se 5544 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-isom 6439 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-1st 7817 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-1o 8281 df-er 8472 df-en 8708 df-dom 8709 df-sdom 8710 df-fin 8711 df-sup 9162 df-oi 9230 df-card 9681 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-div 11616 df-nn 11957 df-2 12019 df-3 12020 df-n0 12217 df-z 12303 df-uz 12565 df-rp 12713 df-fz 13222 df-fzo 13365 df-seq 13703 df-exp 13764 df-hash 14026 df-cj 14791 df-re 14792 df-im 14793 df-sqrt 14927 df-abs 14928 df-clim 15178 df-sum 15379 |
This theorem is referenced by: dvfsumrlim 25176 dvfsumrlim2 25177 dvfsumrlim3 25178 |
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