| Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > sge0gerpmpt | Structured version Visualization version GIF version | ||
| Description: The arbitrary sum of nonnegative extended reals is greater than or equal to a given extended real number if this number can be approximated from below by finite subsums. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| sge0gerpmpt.xph | ⊢ Ⅎ𝑥𝜑 |
| sge0gerpmpt.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| sge0gerpmpt.b | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) |
| sge0gerpmpt.c | ⊢ (𝜑 → 𝐶 ∈ ℝ*) |
| sge0gerpmpt.rp | ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → ∃𝑧 ∈ (𝒫 𝐴 ∩ Fin)𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦)) |
| Ref | Expression |
|---|---|
| sge0gerpmpt | ⊢ (𝜑 → 𝐶 ≤ (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sge0gerpmpt.a | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 2 | sge0gerpmpt.xph | . . 3 ⊢ Ⅎ𝑥𝜑 | |
| 3 | sge0gerpmpt.b | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) | |
| 4 | eqid 2736 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 5 | 2, 3, 4 | fmptdf 7069 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶(0[,]+∞)) |
| 6 | sge0gerpmpt.c | . 2 ⊢ (𝜑 → 𝐶 ∈ ℝ*) | |
| 7 | sge0gerpmpt.rp | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → ∃𝑧 ∈ (𝒫 𝐴 ∩ Fin)𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦)) | |
| 8 | elpwinss 45480 | . . . . . . . . . . 11 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → 𝑧 ⊆ 𝐴) | |
| 9 | 8 | resmptd 6005 | . . . . . . . . . 10 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → ((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧) = (𝑥 ∈ 𝑧 ↦ 𝐵)) |
| 10 | 9 | eqcomd 2742 | . . . . . . . . 9 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (𝑥 ∈ 𝑧 ↦ 𝐵) = ((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) |
| 11 | 10 | fveq2d 6844 | . . . . . . . 8 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) = (Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧))) |
| 12 | 11 | oveq1d 7382 | . . . . . . 7 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) = ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦)) |
| 13 | 12 | breq2d 5097 | . . . . . 6 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) ↔ 𝐶 ≤ ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦))) |
| 14 | 13 | biimpd 229 | . . . . 5 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) → 𝐶 ≤ ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦))) |
| 15 | 14 | adantl 481 | . . . 4 ⊢ (((𝜑 ∧ 𝑦 ∈ ℝ+) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) → 𝐶 ≤ ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦))) |
| 16 | 15 | reximdva 3150 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → (∃𝑧 ∈ (𝒫 𝐴 ∩ Fin)𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) → ∃𝑧 ∈ (𝒫 𝐴 ∩ Fin)𝐶 ≤ ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦))) |
| 17 | 7, 16 | mpd 15 | . 2 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → ∃𝑧 ∈ (𝒫 𝐴 ∩ Fin)𝐶 ≤ ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦)) |
| 18 | 1, 5, 6, 17 | sge0gerp 46823 | 1 ⊢ (𝜑 → 𝐶 ≤ (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 Ⅎwnf 1785 ∈ wcel 2114 ∃wrex 3061 ∩ cin 3888 𝒫 cpw 4541 class class class wbr 5085 ↦ cmpt 5166 ↾ cres 5633 ‘cfv 6498 (class class class)co 7367 Fincfn 8893 0cc0 11038 +∞cpnf 11176 ℝ*cxr 11178 ≤ cle 11180 ℝ+crp 12942 +𝑒 cxad 13061 [,]cicc 13301 Σ^csumge0 46790 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-inf2 9562 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-int 4890 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-isom 6507 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-sup 9355 df-oi 9425 df-card 9863 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 df-nn 12175 df-2 12244 df-3 12245 df-n0 12438 df-z 12525 df-uz 12789 df-rp 12943 df-xadd 13064 df-ico 13304 df-icc 13305 df-fz 13462 df-fzo 13609 df-seq 13964 df-exp 14024 df-hash 14293 df-cj 15061 df-re 15062 df-im 15063 df-sqrt 15197 df-abs 15198 df-clim 15450 df-sum 15649 df-sumge0 46791 |
| This theorem is referenced by: sge0iunmptlemre 46843 |
| Copyright terms: Public domain | W3C validator |