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| Mirrors > Home > MPE Home > Th. List > isumsup | Structured version Visualization version GIF version | ||
| Description: An infinite sum of nonnegative terms is equal to the supremum of the partial sums. (Contributed by Mario Carneiro, 12-Jun-2014.) |
| Ref | Expression |
|---|---|
| isumsup.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| isumsup.2 | ⊢ 𝐺 = seq𝑀( + , 𝐹) |
| isumsup.3 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| isumsup.4 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = 𝐴) |
| isumsup.5 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℝ) |
| isumsup.6 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 0 ≤ 𝐴) |
| isumsup.7 | ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 (𝐺‘𝑗) ≤ 𝑥) |
| Ref | Expression |
|---|---|
| isumsup | ⊢ (𝜑 → Σ𝑘 ∈ 𝑍 𝐴 = sup(ran 𝐺, ℝ, < )) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isumsup.1 | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | isumsup.3 | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | isumsup.4 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = 𝐴) | |
| 4 | isumsup.5 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℝ) | |
| 5 | 4 | recnd 11344 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ) |
| 6 | isumsup.2 | . . 3 ⊢ 𝐺 = seq𝑀( + , 𝐹) | |
| 7 | isumsup.6 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 0 ≤ 𝐴) | |
| 8 | isumsup.7 | . . . 4 ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 (𝐺‘𝑗) ≤ 𝑥) | |
| 9 | 1, 6, 2, 3, 4, 7, 8 | isumsup2 16024 | . . 3 ⊢ (𝜑 → 𝐺 ⇝ sup(ran 𝐺, ℝ, < )) |
| 10 | 6, 9 | eqbrtrrid 5140 | . 2 ⊢ (𝜑 → seq𝑀( + , 𝐹) ⇝ sup(ran 𝐺, ℝ, < )) |
| 11 | 1, 2, 3, 5, 10 | isumclim 15932 | 1 ⊢ (𝜑 → Σ𝑘 ∈ 𝑍 𝐴 = sup(ran 𝐺, ℝ, < )) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∀wral 3076 ∃wrex 3086 class class class wbr 5102 ran crn 5652 ‘cfv 6543 supcsup 9439 ℝcr 11206 0cc0 11207 + caddc 11210 < clt 11350 ≤ cle 11351 ℤcz 12700 ℤ≥cuz 12972 seqcseq 14151 ⇝ cli 15660 Σcsu 15862 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-inf2 9649 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 ax-pre-sup 11285 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-1st 8005 df-2nd 8006 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-1o 8483 df-er 8724 df-en 8981 df-dom 8982 df-sdom 8983 df-fin 8984 df-sup 9441 df-oi 9511 df-card 10027 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-div 11981 df-nn 12343 df-2 12412 df-3 12413 df-n0 12614 df-z 12701 df-uz 12973 df-rp 13128 df-fz 13647 df-fzo 13796 df-seq 14152 df-exp 14212 df-hash 14482 df-cj 15275 df-re 15276 df-im 15277 df-sqrt 15411 df-abs 15412 df-clim 15664 df-sum 15863 |
| This theorem is used by: prmreclem6 17108 ovoliunlem1 25832 ovoliun2 25836 |
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