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| Mirrors > Home > MPE Home > Th. List > aaliou3lem5 | Structured version Visualization version GIF version | ||
| Description: Lemma for aaliou3 26481. (Contributed by Stefan O'Rear, 16-Nov-2014.) |
| Ref | Expression |
|---|---|
| aaliou3lem.c | ⊢ 𝐹 = (𝑎 ∈ ℕ ↦ (2↑-(!‘𝑎))) |
| aaliou3lem.d | ⊢ 𝐿 = Σ𝑏 ∈ ℕ (𝐹‘𝑏) |
| aaliou3lem.e | ⊢ 𝐻 = (𝑐 ∈ ℕ ↦ Σ𝑏 ∈ (1...𝑐)(𝐹‘𝑏)) |
| Ref | Expression |
|---|---|
| aaliou3lem5 | ⊢ (𝐴 ∈ ℕ → (𝐻‘𝐴) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq2 7419 | . . . 4 ⊢ (𝑐 = 𝐴 → (1...𝑐) = (1...𝐴)) | |
| 2 | 1 | sumeq1d 15751 | . . 3 ⊢ (𝑐 = 𝐴 → Σ𝑏 ∈ (1...𝑐)(𝐹‘𝑏) = Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏)) |
| 3 | aaliou3lem.e | . . 3 ⊢ 𝐻 = (𝑐 ∈ ℕ ↦ Σ𝑏 ∈ (1...𝑐)(𝐹‘𝑏)) | |
| 4 | sumex 15739 | . . 3 ⊢ Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) ∈ V | |
| 5 | 2, 3, 4 | fvmpt 6990 | . 2 ⊢ (𝐴 ∈ ℕ → (𝐻‘𝐴) = Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏)) |
| 6 | fzfid 14009 | . . 3 ⊢ (𝐴 ∈ ℕ → (1...𝐴) ∈ Fin) | |
| 7 | elfznn 13581 | . . . . 5 ⊢ (𝑏 ∈ (1...𝐴) → 𝑏 ∈ ℕ) | |
| 8 | 7 | adantl 486 | . . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ∈ ℕ) |
| 9 | fveq2 6882 | . . . . . . . 8 ⊢ (𝑎 = 𝑏 → (!‘𝑎) = (!‘𝑏)) | |
| 10 | 9 | negeqd 11451 | . . . . . . 7 ⊢ (𝑎 = 𝑏 → -(!‘𝑎) = -(!‘𝑏)) |
| 11 | 10 | oveq2d 7427 | . . . . . 6 ⊢ (𝑎 = 𝑏 → (2↑-(!‘𝑎)) = (2↑-(!‘𝑏))) |
| 12 | aaliou3lem.c | . . . . . 6 ⊢ 𝐹 = (𝑎 ∈ ℕ ↦ (2↑-(!‘𝑎))) | |
| 13 | ovex 7444 | . . . . . 6 ⊢ (2↑-(!‘𝑏)) ∈ V | |
| 14 | 11, 12, 13 | fvmpt 6990 | . . . . 5 ⊢ (𝑏 ∈ ℕ → (𝐹‘𝑏) = (2↑-(!‘𝑏))) |
| 15 | 2rp 13021 | . . . . . . 7 ⊢ 2 ∈ ℝ+ | |
| 16 | nnnn0 12511 | . . . . . . . . . 10 ⊢ (𝑏 ∈ ℕ → 𝑏 ∈ ℕ0) | |
| 17 | 16 | faccld 14320 | . . . . . . . . 9 ⊢ (𝑏 ∈ ℕ → (!‘𝑏) ∈ ℕ) |
| 18 | 17 | nnzd 12617 | . . . . . . . 8 ⊢ (𝑏 ∈ ℕ → (!‘𝑏) ∈ ℤ) |
| 19 | 18 | znegcld 12702 | . . . . . . 7 ⊢ (𝑏 ∈ ℕ → -(!‘𝑏) ∈ ℤ) |
| 20 | rpexpcl 14116 | . . . . . . 7 ⊢ ((2 ∈ ℝ+ ∧ -(!‘𝑏) ∈ ℤ) → (2↑-(!‘𝑏)) ∈ ℝ+) | |
| 21 | 15, 19, 20 | sylancr 598 | . . . . . 6 ⊢ (𝑏 ∈ ℕ → (2↑-(!‘𝑏)) ∈ ℝ+) |
| 22 | 21 | rpred 13060 | . . . . 5 ⊢ (𝑏 ∈ ℕ → (2↑-(!‘𝑏)) ∈ ℝ) |
| 23 | 14, 22 | eqeltrd 2869 | . . . 4 ⊢ (𝑏 ∈ ℕ → (𝐹‘𝑏) ∈ ℝ) |
| 24 | 8, 23 | syl 18 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (𝐹‘𝑏) ∈ ℝ) |
| 25 | 6, 24 | fsumrecl 15785 | . 2 ⊢ (𝐴 ∈ ℕ → Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) ∈ ℝ) |
| 26 | 5, 25 | eqeltrd 2869 | 1 ⊢ (𝐴 ∈ ℕ → (𝐻‘𝐴) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ↦ cmpt 5196 ‘cfv 6537 (class class class)co 7411 ℝcr 11099 1c1 11101 -cneg 11442 ℕcn 12233 2c2 12295 ℤcz 12591 ℝ+crp 13016 ...cfz 13535 ↑cexp 14097 !cfa 14309 Σcsu 15737 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-inf2 9610 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 ax-pre-sup 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-int 4917 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-se 5616 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8453 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-sup 9402 df-oi 9472 df-card 9925 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 df-nn 12234 df-2 12303 df-3 12304 df-n0 12505 df-z 12592 df-uz 12863 df-rp 13017 df-fz 13536 df-fzo 13683 df-seq 14038 df-exp 14098 df-fac 14310 df-hash 14367 df-cj 15150 df-re 15151 df-im 15152 df-sqrt 15286 df-abs 15287 df-clim 15539 df-sum 15738 |
| This theorem is referenced by: aaliou3lem7 26479 aaliou3lem9 26480 |
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