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Mirrors > Home > MPE Home > Th. List > Mathboxes > knoppndvlem8 | Structured version Visualization version GIF version |
Description: Lemma for knoppndv 33877. (Contributed by Asger C. Ipsen, 15-Jun-2021.) (Revised by Asger C. Ipsen, 5-Jul-2021.) |
Ref | Expression |
---|---|
knoppndvlem8.t | ⊢ 𝑇 = (𝑥 ∈ ℝ ↦ (abs‘((⌊‘(𝑥 + (1 / 2))) − 𝑥))) |
knoppndvlem8.f | ⊢ 𝐹 = (𝑦 ∈ ℝ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦))))) |
knoppndvlem8.a | ⊢ 𝐴 = ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀) |
knoppndvlem8.c | ⊢ (𝜑 → 𝐶 ∈ (-1(,)1)) |
knoppndvlem8.j | ⊢ (𝜑 → 𝐽 ∈ ℕ0) |
knoppndvlem8.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
knoppndvlem8.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
knoppndvlem8.1 | ⊢ (𝜑 → 2 ∥ 𝑀) |
Ref | Expression |
---|---|
knoppndvlem8 | ⊢ (𝜑 → ((𝐹‘𝐴)‘𝐽) = 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | knoppndvlem8.t | . . 3 ⊢ 𝑇 = (𝑥 ∈ ℝ ↦ (abs‘((⌊‘(𝑥 + (1 / 2))) − 𝑥))) | |
2 | knoppndvlem8.f | . . 3 ⊢ 𝐹 = (𝑦 ∈ ℝ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦))))) | |
3 | knoppndvlem8.a | . . 3 ⊢ 𝐴 = ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀) | |
4 | knoppndvlem8.j | . . 3 ⊢ (𝜑 → 𝐽 ∈ ℕ0) | |
5 | knoppndvlem8.m | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
6 | knoppndvlem8.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
7 | 1, 2, 3, 4, 5, 6 | knoppndvlem7 33861 | . 2 ⊢ (𝜑 → ((𝐹‘𝐴)‘𝐽) = ((𝐶↑𝐽) · (𝑇‘(𝑀 / 2)))) |
8 | knoppndvlem8.1 | . . . . 5 ⊢ (𝜑 → 2 ∥ 𝑀) | |
9 | 2z 12017 | . . . . . . . 8 ⊢ 2 ∈ ℤ | |
10 | 9 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → 2 ∈ ℤ) |
11 | 2ne0 11744 | . . . . . . . 8 ⊢ 2 ≠ 0 | |
12 | 11 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → 2 ≠ 0) |
13 | 10, 12, 5 | 3jca 1124 | . . . . . 6 ⊢ (𝜑 → (2 ∈ ℤ ∧ 2 ≠ 0 ∧ 𝑀 ∈ ℤ)) |
14 | dvdsval2 15613 | . . . . . 6 ⊢ ((2 ∈ ℤ ∧ 2 ≠ 0 ∧ 𝑀 ∈ ℤ) → (2 ∥ 𝑀 ↔ (𝑀 / 2) ∈ ℤ)) | |
15 | 13, 14 | syl 17 | . . . . 5 ⊢ (𝜑 → (2 ∥ 𝑀 ↔ (𝑀 / 2) ∈ ℤ)) |
16 | 8, 15 | mpbid 234 | . . . 4 ⊢ (𝜑 → (𝑀 / 2) ∈ ℤ) |
17 | 1, 16 | dnizeq0 33818 | . . 3 ⊢ (𝜑 → (𝑇‘(𝑀 / 2)) = 0) |
18 | 17 | oveq2d 7175 | . 2 ⊢ (𝜑 → ((𝐶↑𝐽) · (𝑇‘(𝑀 / 2))) = ((𝐶↑𝐽) · 0)) |
19 | knoppndvlem8.c | . . . . . . 7 ⊢ (𝜑 → 𝐶 ∈ (-1(,)1)) | |
20 | 19 | knoppndvlem3 33857 | . . . . . 6 ⊢ (𝜑 → (𝐶 ∈ ℝ ∧ (abs‘𝐶) < 1)) |
21 | 20 | simpld 497 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
22 | 21 | recnd 10672 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ ℂ) |
23 | 22, 4 | expcld 13513 | . . 3 ⊢ (𝜑 → (𝐶↑𝐽) ∈ ℂ) |
24 | 23 | mul01d 10842 | . 2 ⊢ (𝜑 → ((𝐶↑𝐽) · 0) = 0) |
25 | 7, 18, 24 | 3eqtrd 2863 | 1 ⊢ (𝜑 → ((𝐹‘𝐴)‘𝐽) = 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ w3a 1083 = wceq 1536 ∈ wcel 2113 ≠ wne 3019 class class class wbr 5069 ↦ cmpt 5149 ‘cfv 6358 (class class class)co 7159 ℝcr 10539 0cc0 10540 1c1 10541 + caddc 10543 · cmul 10545 < clt 10678 − cmin 10873 -cneg 10874 / cdiv 11300 ℕcn 11641 2c2 11695 ℕ0cn0 11900 ℤcz 11984 (,)cioo 12741 ⌊cfl 13163 ↑cexp 13432 abscabs 14596 ∥ cdvds 15610 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-rep 5193 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-1cn 10598 ax-icn 10599 ax-addcl 10600 ax-addrcl 10601 ax-mulcl 10602 ax-mulrcl 10603 ax-mulcom 10604 ax-addass 10605 ax-mulass 10606 ax-distr 10607 ax-i2m1 10608 ax-1ne0 10609 ax-1rid 10610 ax-rnegex 10611 ax-rrecex 10612 ax-cnre 10613 ax-pre-lttri 10614 ax-pre-lttrn 10615 ax-pre-ltadd 10616 ax-pre-mulgt0 10617 ax-pre-sup 10618 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-reu 3148 df-rmo 3149 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-pss 3957 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-tp 4575 df-op 4577 df-uni 4842 df-iun 4924 df-br 5070 df-opab 5132 df-mpt 5150 df-tr 5176 df-id 5463 df-eprel 5468 df-po 5477 df-so 5478 df-fr 5517 df-we 5519 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-pred 6151 df-ord 6197 df-on 6198 df-lim 6199 df-suc 6200 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7117 df-ov 7162 df-oprab 7163 df-mpo 7164 df-om 7584 df-1st 7692 df-2nd 7693 df-wrecs 7950 df-recs 8011 df-rdg 8049 df-er 8292 df-en 8513 df-dom 8514 df-sdom 8515 df-sup 8909 df-inf 8910 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 df-sub 10875 df-neg 10876 df-div 11301 df-nn 11642 df-2 11703 df-3 11704 df-n0 11901 df-z 11985 df-uz 12247 df-rp 12393 df-ioo 12745 df-ico 12747 df-fl 13165 df-seq 13373 df-exp 13433 df-cj 14461 df-re 14462 df-im 14463 df-sqrt 14597 df-abs 14598 df-dvds 15611 |
This theorem is referenced by: knoppndvlem10 33864 |
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