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| Mirrors > Home > MPE Home > Th. List > aaliou3lem5 | Structured version Visualization version GIF version | ||
| Description: Lemma for aaliou3 26331. (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 7369 | . . . 4 ⊢ (𝑐 = 𝐴 → (1...𝑐) = (1...𝐴)) | |
| 2 | 1 | sumeq1d 15656 | . . 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 15644 | . . 3 ⊢ Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) ∈ V | |
| 5 | 2, 3, 4 | fvmpt 6942 | . 2 ⊢ (𝐴 ∈ ℕ → (𝐻‘𝐴) = Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏)) |
| 6 | fzfid 13929 | . . 3 ⊢ (𝐴 ∈ ℕ → (1...𝐴) ∈ Fin) | |
| 7 | elfznn 13501 | . . . . 5 ⊢ (𝑏 ∈ (1...𝐴) → 𝑏 ∈ ℕ) | |
| 8 | 7 | adantl 481 | . . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ∈ ℕ) |
| 9 | fveq2 6835 | . . . . . . . 8 ⊢ (𝑎 = 𝑏 → (!‘𝑎) = (!‘𝑏)) | |
| 10 | 9 | negeqd 11381 | . . . . . . 7 ⊢ (𝑎 = 𝑏 → -(!‘𝑎) = -(!‘𝑏)) |
| 11 | 10 | oveq2d 7377 | . . . . . 6 ⊢ (𝑎 = 𝑏 → (2↑-(!‘𝑎)) = (2↑-(!‘𝑏))) |
| 12 | aaliou3lem.c | . . . . . 6 ⊢ 𝐹 = (𝑎 ∈ ℕ ↦ (2↑-(!‘𝑎))) | |
| 13 | ovex 7394 | . . . . . 6 ⊢ (2↑-(!‘𝑏)) ∈ V | |
| 14 | 11, 12, 13 | fvmpt 6942 | . . . . 5 ⊢ (𝑏 ∈ ℕ → (𝐹‘𝑏) = (2↑-(!‘𝑏))) |
| 15 | 2rp 12941 | . . . . . . 7 ⊢ 2 ∈ ℝ+ | |
| 16 | nnnn0 12438 | . . . . . . . . . 10 ⊢ (𝑏 ∈ ℕ → 𝑏 ∈ ℕ0) | |
| 17 | 16 | faccld 14240 | . . . . . . . . 9 ⊢ (𝑏 ∈ ℕ → (!‘𝑏) ∈ ℕ) |
| 18 | 17 | nnzd 12544 | . . . . . . . 8 ⊢ (𝑏 ∈ ℕ → (!‘𝑏) ∈ ℤ) |
| 19 | 18 | znegcld 12629 | . . . . . . 7 ⊢ (𝑏 ∈ ℕ → -(!‘𝑏) ∈ ℤ) |
| 20 | rpexpcl 14036 | . . . . . . 7 ⊢ ((2 ∈ ℝ+ ∧ -(!‘𝑏) ∈ ℤ) → (2↑-(!‘𝑏)) ∈ ℝ+) | |
| 21 | 15, 19, 20 | sylancr 588 | . . . . . 6 ⊢ (𝑏 ∈ ℕ → (2↑-(!‘𝑏)) ∈ ℝ+) |
| 22 | 21 | rpred 12980 | . . . . 5 ⊢ (𝑏 ∈ ℕ → (2↑-(!‘𝑏)) ∈ ℝ) |
| 23 | 14, 22 | eqeltrd 2837 | . . . 4 ⊢ (𝑏 ∈ ℕ → (𝐹‘𝑏) ∈ ℝ) |
| 24 | 8, 23 | syl 17 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (𝐹‘𝑏) ∈ ℝ) |
| 25 | 6, 24 | fsumrecl 15690 | . 2 ⊢ (𝐴 ∈ ℕ → Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) ∈ ℝ) |
| 26 | 5, 25 | eqeltrd 2837 | 1 ⊢ (𝐴 ∈ ℕ → (𝐻‘𝐴) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ↦ cmpt 5167 ‘cfv 6493 (class class class)co 7361 ℝcr 11031 1c1 11033 -cneg 11372 ℕcn 12168 2c2 12230 ℤcz 12518 ℝ+crp 12936 ...cfz 13455 ↑cexp 14017 !cfa 14229 Σcsu 15642 |
| 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 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-inf2 9556 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-pre-sup 11110 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-sup 9349 df-oi 9419 df-card 9857 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-2 12238 df-3 12239 df-n0 12432 df-z 12519 df-uz 12783 df-rp 12937 df-fz 13456 df-fzo 13603 df-seq 13958 df-exp 14018 df-fac 14230 df-hash 14287 df-cj 15055 df-re 15056 df-im 15057 df-sqrt 15191 df-abs 15192 df-clim 15444 df-sum 15643 |
| This theorem is referenced by: aaliou3lem7 26329 aaliou3lem9 26330 |
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