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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 13462 | . . . 4 ⊢ (0[,)+∞) ⊆ ℝ | |
| 2 | ax-resscn 11132 | . . . 4 ⊢ ℝ ⊆ ℂ | |
| 3 | 1, 2 | sstri 3947 | . . 3 ⊢ (0[,)+∞) ⊆ ℂ |
| 4 | 3 | a1i 11 | . 2 ⊢ (𝜑 → (0[,)+∞) ⊆ ℂ) |
| 5 | simprl 780 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑥 ∈ (0[,)+∞)) | |
| 6 | 1, 5 | sselid 3936 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑥 ∈ ℝ) |
| 7 | simprr 782 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑦 ∈ (0[,)+∞)) | |
| 8 | 1, 7 | sselid 3936 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 𝑦 ∈ ℝ) |
| 9 | 6, 8 | readdcld 11213 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) ∈ ℝ) |
| 10 | 9 | rexrd 11234 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) ∈ ℝ*) |
| 11 | 0xr 11231 | . . . . . . 7 ⊢ 0 ∈ ℝ* | |
| 12 | pnfxr 11238 | . . . . . . 7 ⊢ +∞ ∈ ℝ* | |
| 13 | elico1 13394 | . . . . . . 7 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥 ∧ 𝑥 < +∞))) | |
| 14 | 11, 12, 13 | mp2an 702 | . . . . . 6 ⊢ (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥 ∧ 𝑥 < +∞)) |
| 15 | 14 | simp2bi 1160 | . . . . 5 ⊢ (𝑥 ∈ (0[,)+∞) → 0 ≤ 𝑥) |
| 16 | 5, 15 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ 𝑥) |
| 17 | elico1 13394 | . . . . . . 7 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝑦 ∈ (0[,)+∞) ↔ (𝑦 ∈ ℝ* ∧ 0 ≤ 𝑦 ∧ 𝑦 < +∞))) | |
| 18 | 11, 12, 17 | mp2an 702 | . . . . . 6 ⊢ (𝑦 ∈ (0[,)+∞) ↔ (𝑦 ∈ ℝ* ∧ 0 ≤ 𝑦 ∧ 𝑦 < +∞)) |
| 19 | 18 | simp2bi 1160 | . . . . 5 ⊢ (𝑦 ∈ (0[,)+∞) → 0 ≤ 𝑦) |
| 20 | 7, 19 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ 𝑦) |
| 21 | 6, 8, 16, 20 | addge0d 11765 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → 0 ≤ (𝑥 + 𝑦)) |
| 22 | ltpnf 13124 | . . . 4 ⊢ ((𝑥 + 𝑦) ∈ ℝ → (𝑥 + 𝑦) < +∞) | |
| 23 | 9, 22 | syl 17 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞))) → (𝑥 + 𝑦) < +∞) |
| 24 | elico1 13394 | . . . 4 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → ((𝑥 + 𝑦) ∈ (0[,)+∞) ↔ ((𝑥 + 𝑦) ∈ ℝ* ∧ 0 ≤ (𝑥 + 𝑦) ∧ (𝑥 + 𝑦) < +∞))) | |
| 25 | 11, 12, 24 | mp2an 702 | . . 3 ⊢ ((𝑥 + 𝑦) ∈ (0[,)+∞) ↔ ((𝑥 + 𝑦) ∈ ℝ* ∧ 0 ≤ (𝑥 + 𝑦) ∧ (𝑥 + 𝑦) < +∞)) |
| 26 | 10, 21, 23, 25 | syl3anbrc 1358 | . 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 13464 | . . 3 ⊢ 0 ∈ (0[,)+∞) | |
| 30 | 29 | a1i 11 | . 2 ⊢ (𝜑 → 0 ∈ (0[,)+∞)) |
| 31 | 4, 26, 27, 28, 30 | fsumcllem 15761 | 1 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ (0[,)+∞)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 ∧ w3a 1099 ∈ wcel 2144 ⊆ wss 3906 class class class wbr 5102 (class class class)co 7398 Fincfn 8929 ℂcc 11073 ℝcr 11074 0cc0 11075 + caddc 11078 +∞cpnf 11215 ℝ*cxr 11217 < clt 11218 ≤ cle 11219 [,)cico 13353 Σcsu 15715 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-rep 5229 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 ax-inf2 9598 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 ax-pre-sup 11153 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5544 df-eprel 5549 df-po 5557 df-so 5558 df-fr 5602 df-se 5603 df-we 5604 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-pred 6290 df-ord 6351 df-on 6352 df-lim 6353 df-suc 6354 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-isom 6532 df-riota 7355 df-ov 7401 df-oprab 7402 df-mpo 7403 df-om 7849 df-1st 7972 df-2nd 7973 df-frecs 8264 df-wrecs 8295 df-recs 8344 df-rdg 8383 df-1o 8439 df-er 8680 df-en 8930 df-dom 8931 df-sdom 8932 df-fin 8933 df-sup 9390 df-oi 9460 df-card 9899 df-pnf 11220 df-mnf 11221 df-xr 11222 df-ltxr 11223 df-le 11224 df-sub 11418 df-neg 11419 df-div 11847 df-nn 12213 df-2 12282 df-3 12283 df-n0 12484 df-z 12571 df-uz 12842 df-rp 12996 df-ico 13357 df-fz 13515 df-fzo 13662 df-seq 14017 df-exp 14077 df-hash 14346 df-cj 15128 df-re 15129 df-im 15130 df-sqrt 15264 df-abs 15265 df-clim 15517 df-sum 15716 |
| This theorem is referenced by: esumcvg 34385 |
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