| 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 2761 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 5 | 2, 3, 4 | fmptdf 7092 | . 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 45589 | . . . . . . . . . . 11 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → 𝑧 ⊆ 𝐴) | |
| 9 | 8 | resmptd 6024 | . . . . . . . . . 10 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → ((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧) = (𝑥 ∈ 𝑧 ↦ 𝐵)) |
| 10 | 9 | eqcomd 2767 | . . . . . . . . 9 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (𝑥 ∈ 𝑧 ↦ 𝐵) = ((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) |
| 11 | 10 | fveq2d 6865 | . . . . . . . 8 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) = (Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧))) |
| 12 | 11 | oveq1d 7405 | . . . . . . 7 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) = ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦)) |
| 13 | 12 | breq2d 5109 | . . . . . 6 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) ↔ 𝐶 ≤ ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦))) |
| 14 | 13 | biimpd 231 | . . . . 5 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → (𝐶 ≤ ((Σ^‘(𝑥 ∈ 𝑧 ↦ 𝐵)) +𝑒 𝑦) → 𝐶 ≤ ((Σ^‘((𝑥 ∈ 𝐴 ↦ 𝐵) ↾ 𝑧)) +𝑒 𝑦))) |
| 15 | 14 | adantl 485 | . . . 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 3174 | . . 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 46929 | 1 ⊢ (𝜑 → 𝐶 ≤ (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 Ⅎwnf 1802 ∈ wcel 2141 ∃wrex 3085 ∩ cin 3901 𝒫 cpw 4552 class class class wbr 5097 ↦ cmpt 5178 ↾ cres 5645 ‘cfv 6515 (class class class)co 7390 Fincfn 8920 0cc0 11066 +∞cpnf 11206 ℝ*cxr 11208 ≤ cle 11210 ℝ+crp 12986 +𝑒 cxad 13105 [,]cicc 13345 Σ^csumge0 46896 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7712 ax-inf2 9589 ax-cnex 11122 ax-resscn 11123 ax-1cn 11124 ax-icn 11125 ax-addcl 11126 ax-addrcl 11127 ax-mulcl 11128 ax-mulrcl 11129 ax-mulcom 11130 ax-addass 11131 ax-mulass 11132 ax-distr 11133 ax-i2m1 11134 ax-1ne0 11135 ax-1rid 11136 ax-rnegex 11137 ax-rrecex 11138 ax-cnre 11139 ax-pre-lttri 11140 ax-pre-lttrn 11141 ax-pre-ltadd 11142 ax-pre-mulgt0 11143 ax-pre-sup 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-int 4903 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-se 5597 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6282 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-iota 6471 df-fun 6517 df-fn 6518 df-f 6519 df-f1 6520 df-fo 6521 df-f1o 6522 df-fv 6523 df-isom 6524 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7841 df-1st 7964 df-2nd 7965 df-frecs 8255 df-wrecs 8286 df-recs 8335 df-rdg 8374 df-1o 8430 df-er 8671 df-en 8921 df-dom 8922 df-sdom 8923 df-fin 8924 df-sup 9381 df-oi 9451 df-card 9890 df-pnf 11211 df-mnf 11212 df-xr 11213 df-ltxr 11214 df-le 11215 df-sub 11409 df-neg 11410 df-div 11838 df-nn 12204 df-2 12273 df-3 12274 df-n0 12475 df-z 12562 df-uz 12833 df-rp 12987 df-xadd 13108 df-ico 13348 df-icc 13349 df-fz 13506 df-fzo 13653 df-seq 14008 df-exp 14068 df-hash 14337 df-cj 15116 df-re 15117 df-im 15118 df-sqrt 15252 df-abs 15253 df-clim 15505 df-sum 15704 df-sumge0 46897 |
| This theorem is referenced by: sge0iunmptlemre 46949 |
| Copyright terms: Public domain | W3C validator |