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Mathbox for Thierry Arnoux |
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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 12151 | . . . 4 ⊢ (0[,)+∞) ⊆ ℝ | |
2 | ax-resscn 9872 | . . . 4 ⊢ ℝ ⊆ ℂ | |
3 | 1, 2 | sstri 3577 | . . 3 ⊢ (0[,)+∞) ⊆ ℂ |
4 | 3 | a1i 11 | . 2 ⊢ (𝜑 → (0[,)+∞) ⊆ ℂ) |
5 | simprl 790 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑥 ∈ (0[,)+∞)) | |
6 | 1, 5 | sseldi 3566 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑥 ∈ ℝ) |
7 | simprr 792 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑦 ∈ (0[,)+∞)) | |
8 | 1, 7 | sseldi 3566 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑦 ∈ ℝ) |
9 | 6, 8 | readdcld 9948 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) ∈ ℝ) |
10 | 9 | rexrd 9968 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) ∈ ℝ*) |
11 | 0xr 9965 | . . . . . . 7 ⊢ 0 ∈ ℝ* | |
12 | pnfxr 9971 | . . . . . . 7 ⊢ +∞ ∈ ℝ* | |
13 | elico1 12089 | . . . . . . 7 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥 ∧ 𝑥 < +∞))) | |
14 | 11, 12, 13 | mp2an 704 | . . . . . 6 ⊢ (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥 ∧ 𝑥 < +∞)) |
15 | 14 | simp2bi 1070 | . . . . 5 ⊢ (𝑥 ∈ (0[,)+∞) → 0 ≤ 𝑥) |
16 | 5, 15 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ 𝑥) |
17 | elico1 12089 | . . . . . . 7 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝑦 ∈ (0[,)+∞) ↔ (𝑦 ∈ ℝ* ∧ 0 ≤ 𝑦 ∧ 𝑦 < +∞))) | |
18 | 11, 12, 17 | mp2an 704 | . . . . . 6 ⊢ (𝑦 ∈ (0[,)+∞) ↔ (𝑦 ∈ ℝ* ∧ 0 ≤ 𝑦 ∧ 𝑦 < +∞)) |
19 | 18 | simp2bi 1070 | . . . . 5 ⊢ (𝑦 ∈ (0[,)+∞) → 0 ≤ 𝑦) |
20 | 7, 19 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ 𝑦) |
21 | 6, 8, 16, 20 | addge0d 10482 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ (𝑥 + 𝑦)) |
22 | ltpnf 11830 | . . . 4 ⊢ ((𝑥 + 𝑦) ∈ ℝ → (𝑥 + 𝑦) < +∞) | |
23 | 9, 22 | syl 17 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) < +∞) |
24 | elico1 12089 | . . . 4 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → ((𝑥 + 𝑦) ∈ (0[,)+∞) ↔ ((𝑥 + 𝑦) ∈ ℝ* ∧ 0 ≤ (𝑥 + 𝑦) ∧ (𝑥 + 𝑦) < +∞))) | |
25 | 11, 12, 24 | mp2an 704 | . . 3 ⊢ ((𝑥 + 𝑦) ∈ (0[,)+∞) ↔ ((𝑥 + 𝑦) ∈ ℝ* ∧ 0 ≤ (𝑥 + 𝑦) ∧ (𝑥 + 𝑦) < +∞)) |
26 | 10, 21, 23, 25 | syl3anbrc 1239 | . 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 12153 | . . 3 ⊢ 0 ∈ (0[,)+∞) | |
30 | 29 | a1i 11 | . 2 ⊢ (𝜑 → 0 ∈ (0[,)+∞)) |
31 | 4, 26, 27, 28, 30 | fsumcllem 14310 | 1 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ (0[,)+∞)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 ∧ w3a 1031 ∈ wcel 1977 ⊆ wss 3540 class class class wbr 4583 (class class class)co 6549 Fincfn 7841 ℂcc 9813 ℝcr 9814 0cc0 9815 + caddc 9818 +∞cpnf 9950 ℝ*cxr 9952 < clt 9953 ≤ cle 9954 [,)cico 12048 Σcsu 14264 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-inf2 8421 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-fal 1481 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-sup 8231 df-oi 8298 df-card 8648 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-n0 11170 df-z 11255 df-uz 11564 df-rp 11709 df-ico 12052 df-fz 12198 df-fzo 12335 df-seq 12664 df-exp 12723 df-hash 12980 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-clim 14067 df-sum 14265 |
This theorem is referenced by: esumcvg 29475 |
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