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Mirrors > Home > MPE Home > Th. List > Mathboxes > fsumrp0cl | Structured version Visualization version GIF version |
Description: Closure of a finite sum of nonnegative reals. (Contributed by Thierry Arnoux, 25-Jun-2017.) |
Ref | Expression |
---|---|
fsumrp0cl.1 | ⊢ (𝜑 → 𝐴 ∈ Fin) |
fsumrp0cl.2 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,)+∞)) |
Ref | Expression |
---|---|
fsumrp0cl | ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ (0[,)+∞)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rge0ssre 13117 | . . . 4 ⊢ (0[,)+∞) ⊆ ℝ | |
2 | ax-resscn 10859 | . . . 4 ⊢ ℝ ⊆ ℂ | |
3 | 1, 2 | sstri 3926 | . . 3 ⊢ (0[,)+∞) ⊆ ℂ |
4 | 3 | a1i 11 | . 2 ⊢ (𝜑 → (0[,)+∞) ⊆ ℂ) |
5 | simprl 767 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑥 ∈ (0[,)+∞)) | |
6 | 1, 5 | sselid 3915 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑥 ∈ ℝ) |
7 | simprr 769 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑦 ∈ (0[,)+∞)) | |
8 | 1, 7 | sselid 3915 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑦 ∈ ℝ) |
9 | 6, 8 | readdcld 10935 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) ∈ ℝ) |
10 | 9 | rexrd 10956 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) ∈ ℝ*) |
11 | 0xr 10953 | . . . . . . 7 ⊢ 0 ∈ ℝ* | |
12 | pnfxr 10960 | . . . . . . 7 ⊢ +∞ ∈ ℝ* | |
13 | elico1 13051 | . . . . . . 7 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥 ∧ 𝑥 < +∞))) | |
14 | 11, 12, 13 | mp2an 688 | . . . . . 6 ⊢ (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥 ∧ 𝑥 < +∞)) |
15 | 14 | simp2bi 1144 | . . . . 5 ⊢ (𝑥 ∈ (0[,)+∞) → 0 ≤ 𝑥) |
16 | 5, 15 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ 𝑥) |
17 | elico1 13051 | . . . . . . 7 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝑦 ∈ (0[,)+∞) ↔ (𝑦 ∈ ℝ* ∧ 0 ≤ 𝑦 ∧ 𝑦 < +∞))) | |
18 | 11, 12, 17 | mp2an 688 | . . . . . 6 ⊢ (𝑦 ∈ (0[,)+∞) ↔ (𝑦 ∈ ℝ* ∧ 0 ≤ 𝑦 ∧ 𝑦 < +∞)) |
19 | 18 | simp2bi 1144 | . . . . 5 ⊢ (𝑦 ∈ (0[,)+∞) → 0 ≤ 𝑦) |
20 | 7, 19 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ 𝑦) |
21 | 6, 8, 16, 20 | addge0d 11481 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ (𝑥 + 𝑦)) |
22 | ltpnf 12785 | . . . 4 ⊢ ((𝑥 + 𝑦) ∈ ℝ → (𝑥 + 𝑦) < +∞) | |
23 | 9, 22 | syl 17 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) < +∞) |
24 | elico1 13051 | . . . 4 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → ((𝑥 + 𝑦) ∈ (0[,)+∞) ↔ ((𝑥 + 𝑦) ∈ ℝ* ∧ 0 ≤ (𝑥 + 𝑦) ∧ (𝑥 + 𝑦) < +∞))) | |
25 | 11, 12, 24 | mp2an 688 | . . 3 ⊢ ((𝑥 + 𝑦) ∈ (0[,)+∞) ↔ ((𝑥 + 𝑦) ∈ ℝ* ∧ 0 ≤ (𝑥 + 𝑦) ∧ (𝑥 + 𝑦) < +∞)) |
26 | 10, 21, 23, 25 | syl3anbrc 1341 | . 2 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) ∈ (0[,)+∞)) |
27 | fsumrp0cl.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
28 | fsumrp0cl.2 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,)+∞)) | |
29 | 0e0icopnf 13119 | . . 3 ⊢ 0 ∈ (0[,)+∞) | |
30 | 29 | a1i 11 | . 2 ⊢ (𝜑 → 0 ∈ (0[,)+∞)) |
31 | 4, 26, 27, 28, 30 | fsumcllem 15372 | 1 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ (0[,)+∞)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 ∈ wcel 2108 ⊆ wss 3883 class class class wbr 5070 (class class class)co 7255 Fincfn 8691 ℂcc 10800 ℝcr 10801 0cc0 10802 + caddc 10805 +∞cpnf 10937 ℝ*cxr 10939 < clt 10940 ≤ cle 10941 [,)cico 13010 Σcsu 15325 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-n0 12164 df-z 12250 df-uz 12512 df-rp 12660 df-ico 13014 df-fz 13169 df-fzo 13312 df-seq 13650 df-exp 13711 df-hash 13973 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-clim 15125 df-sum 15326 |
This theorem is referenced by: esumcvg 31954 |
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