aaliou3lem6 - Metamath Proof Explorer

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Theorem aaliou3lem6 25861

Description: Lemma for aaliou3 25864. (Contributed by Stefan O'Rear, 16-Nov-2014.)

**Hypotheses**
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))

**Assertion**
Ref	Expression
aaliou3lem6	⊢ (𝐴 ∈ ℕ → ((𝐻‘𝐴) · (2↑(!‘𝐴))) ∈ ℤ)

Distinct variable groups: 𝑎,𝑏,𝑐 𝐹,𝑏,𝑐 𝐿,𝑐 𝐴,𝑎,𝑏,𝑐 Allowed substitution hints: 𝐹(𝑎) 𝐻(𝑎,𝑏,𝑐) 𝐿(𝑎,𝑏)

**Proof of Theorem aaliou3lem6**
Step	Hyp	Ref	Expression
1		oveq2 7417	. . . . 5 ⊢ (𝑐 = 𝐴 → (1...𝑐) = (1...𝐴))
2	1	sumeq1d 15647	. . . 4 ⊢ (𝑐 = 𝐴 → Σ𝑏 ∈ (1...𝑐)(𝐹‘𝑏) = Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏))
3		aaliou3lem.e	. . . 4 ⊢ 𝐻 = (𝑐 ∈ ℕ ↦ Σ𝑏 ∈ (1...𝑐)(𝐹‘𝑏))
4		sumex 15634	. . . 4 ⊢ Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) ∈ V
5	2, 3, 4	fvmpt 6999	. . 3 ⊢ (𝐴 ∈ ℕ → (𝐻‘𝐴) = Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏))
6	5	oveq1d 7424	. 2 ⊢ (𝐴 ∈ ℕ → ((𝐻‘𝐴) · (2↑(!‘𝐴))) = (Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) · (2↑(!‘𝐴))))
7		fzfid 13938	. . . 4 ⊢ (𝐴 ∈ ℕ → (1...𝐴) ∈ Fin)
8		2rp 12979	. . . . . 6 ⊢ 2 ∈ ℝ⁺
9		nnnn0 12479	. . . . . . . 8 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ₀)
10	9	faccld 14244	. . . . . . 7 ⊢ (𝐴 ∈ ℕ → (!‘𝐴) ∈ ℕ)
11	10	nnzd 12585	. . . . . 6 ⊢ (𝐴 ∈ ℕ → (!‘𝐴) ∈ ℤ)
12		rpexpcl 14046	. . . . . 6 ⊢ ((2 ∈ ℝ⁺ ∧ (!‘𝐴) ∈ ℤ) → (2↑(!‘𝐴)) ∈ ℝ⁺)
13	8, 11, 12	sylancr 588	. . . . 5 ⊢ (𝐴 ∈ ℕ → (2↑(!‘𝐴)) ∈ ℝ⁺)
14	13	rpcnd 13018	. . . 4 ⊢ (𝐴 ∈ ℕ → (2↑(!‘𝐴)) ∈ ℂ)
15		elfznn 13530	. . . . . . 7 ⊢ (𝑏 ∈ (1...𝐴) → 𝑏 ∈ ℕ)
16		fveq2 6892	. . . . . . . . . 10 ⊢ (𝑎 = 𝑏 → (!‘𝑎) = (!‘𝑏))
17	16	negeqd 11454	. . . . . . . . 9 ⊢ (𝑎 = 𝑏 → -(!‘𝑎) = -(!‘𝑏))
18	17	oveq2d 7425	. . . . . . . 8 ⊢ (𝑎 = 𝑏 → (2↑-(!‘𝑎)) = (2↑-(!‘𝑏)))
19		aaliou3lem.c	. . . . . . . 8 ⊢ 𝐹 = (𝑎 ∈ ℕ ↦ (2↑-(!‘𝑎)))
20		ovex 7442	. . . . . . . 8 ⊢ (2↑-(!‘𝑏)) ∈ V
21	18, 19, 20	fvmpt 6999	. . . . . . 7 ⊢ (𝑏 ∈ ℕ → (𝐹‘𝑏) = (2↑-(!‘𝑏)))
22	15, 21	syl 17	. . . . . 6 ⊢ (𝑏 ∈ (1...𝐴) → (𝐹‘𝑏) = (2↑-(!‘𝑏)))
23	22	adantl 483	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (𝐹‘𝑏) = (2↑-(!‘𝑏)))
24	15	adantl 483	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ∈ ℕ)
25	24	nnnn0d 12532	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ∈ ℕ₀)
26	25	faccld 14244	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℕ)
27	26	nnzd 12585	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℤ)
28	27	znegcld 12668	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → -(!‘𝑏) ∈ ℤ)
29		rpexpcl 14046	. . . . . . 7 ⊢ ((2 ∈ ℝ⁺ ∧ -(!‘𝑏) ∈ ℤ) → (2↑-(!‘𝑏)) ∈ ℝ⁺)
30	8, 28, 29	sylancr 588	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑-(!‘𝑏)) ∈ ℝ⁺)
31	30	rpcnd 13018	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑-(!‘𝑏)) ∈ ℂ)
32	23, 31	eqeltrd 2834	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (𝐹‘𝑏) ∈ ℂ)
33	7, 14, 32	fsummulc1 15731	. . 3 ⊢ (𝐴 ∈ ℕ → (Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) · (2↑(!‘𝐴))) = Σ𝑏 ∈ (1...𝐴)((𝐹‘𝑏) · (2↑(!‘𝐴))))
34	23	oveq1d 7424	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((𝐹‘𝑏) · (2↑(!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
35	11	adantr 482	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℤ)
36		2cnne0 12422	. . . . . . . 8 ⊢ (2 ∈ ℂ ∧ 2 ≠ 0)
37		expaddz 14072	. . . . . . . 8 ⊢ (((2 ∈ ℂ ∧ 2 ≠ 0) ∧ (-(!‘𝑏) ∈ ℤ ∧ (!‘𝐴) ∈ ℤ)) → (2↑(-(!‘𝑏) + (!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
38	36, 37	mpan 689	. . . . . . 7 ⊢ ((-(!‘𝑏) ∈ ℤ ∧ (!‘𝐴) ∈ ℤ) → (2↑(-(!‘𝑏) + (!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
39	28, 35, 38	syl2anc 585	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑(-(!‘𝑏) + (!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
40		2z 12594	. . . . . . 7 ⊢ 2 ∈ ℤ
41	28	zcnd 12667	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → -(!‘𝑏) ∈ ℂ)
42	35	zcnd 12667	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℂ)
43	41, 42	addcomd 11416	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (-(!‘𝑏) + (!‘𝐴)) = ((!‘𝐴) + -(!‘𝑏)))
44	26	nncnd 12228	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℂ)
45	42, 44	negsubd 11577	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((!‘𝐴) + -(!‘𝑏)) = ((!‘𝐴) − (!‘𝑏)))
46	43, 45	eqtrd 2773	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (-(!‘𝑏) + (!‘𝐴)) = ((!‘𝐴) − (!‘𝑏)))
47	9	adantr 482	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝐴 ∈ ℕ₀)
48		elfzle2 13505	. . . . . . . . . . 11 ⊢ (𝑏 ∈ (1...𝐴) → 𝑏 ≤ 𝐴)
49	48	adantl 483	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ≤ 𝐴)
50		facwordi 14249	. . . . . . . . . 10 ⊢ ((𝑏 ∈ ℕ₀ ∧ 𝐴 ∈ ℕ₀ ∧ 𝑏 ≤ 𝐴) → (!‘𝑏) ≤ (!‘𝐴))
51	25, 47, 49, 50	syl3anc 1372	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ≤ (!‘𝐴))
52	26	nnnn0d 12532	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℕ₀)
53	47	faccld 14244	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℕ)
54	53	nnnn0d 12532	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℕ₀)
55		nn0sub 12522	. . . . . . . . . 10 ⊢ (((!‘𝑏) ∈ ℕ₀ ∧ (!‘𝐴) ∈ ℕ₀) → ((!‘𝑏) ≤ (!‘𝐴) ↔ ((!‘𝐴) − (!‘𝑏)) ∈ ℕ₀))
56	52, 54, 55	syl2anc 585	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((!‘𝑏) ≤ (!‘𝐴) ↔ ((!‘𝐴) − (!‘𝑏)) ∈ ℕ₀))
57	51, 56	mpbid 231	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((!‘𝐴) − (!‘𝑏)) ∈ ℕ₀)
58	46, 57	eqeltrd 2834	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (-(!‘𝑏) + (!‘𝐴)) ∈ ℕ₀)
59		zexpcl 14042	. . . . . . 7 ⊢ ((2 ∈ ℤ ∧ (-(!‘𝑏) + (!‘𝐴)) ∈ ℕ₀) → (2↑(-(!‘𝑏) + (!‘𝐴))) ∈ ℤ)
60	40, 58, 59	sylancr 588	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑(-(!‘𝑏) + (!‘𝐴))) ∈ ℤ)
61	39, 60	eqeltrrd 2835	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))) ∈ ℤ)
62	34, 61	eqeltrd 2834	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((𝐹‘𝑏) · (2↑(!‘𝐴))) ∈ ℤ)
63	7, 62	fsumzcl 15681	. . 3 ⊢ (𝐴 ∈ ℕ → Σ𝑏 ∈ (1...𝐴)((𝐹‘𝑏) · (2↑(!‘𝐴))) ∈ ℤ)
64	33, 63	eqeltrd 2834	. 2 ⊢ (𝐴 ∈ ℕ → (Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) · (2↑(!‘𝐴))) ∈ ℤ)
65	6, 64	eqeltrd 2834	1 ⊢ (𝐴 ∈ ℕ → ((𝐻‘𝐴) · (2↑(!‘𝐴))) ∈ ℤ)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1542 ∈ wcel 2107 ≠ wne 2941 class class class wbr 5149 ↦ cmpt 5232 ‘cfv 6544 (class class class)co 7409 ℂcc 11108 0cc0 11110 1c1 11111 + caddc 11113 · cmul 11115 ≤ cle 11249 − cmin 11444 -cneg 11445 ℕcn 12212 2c2 12267 ℕ₀cn0 12472 ℤcz 12558 ℝ⁺crp 12974 ...cfz 13484 ↑cexp 14027 !cfa 14233 Σcsu 15632

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7725 ax-inf2 9636 ax-cnex 11166 ax-resscn 11167 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-mulcom 11174 ax-addass 11175 ax-mulass 11176 ax-distr 11177 ax-i2m1 11178 ax-1ne0 11179 ax-1rid 11180 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 ax-pre-lttri 11184 ax-pre-lttrn 11185 ax-pre-ltadd 11186 ax-pre-mulgt0 11187 ax-pre-sup 11188

This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-int 4952 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-se 5633 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-isom 6553 df-riota 7365 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7856 df-1st 7975 df-2nd 7976 df-frecs 8266 df-wrecs 8297 df-recs 8371 df-rdg 8410 df-1o 8466 df-er 8703 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9437 df-oi 9505 df-card 9934 df-pnf 11250 df-mnf 11251 df-xr 11252 df-ltxr 11253 df-le 11254 df-sub 11446 df-neg 11447 df-div 11872 df-nn 12213 df-2 12275 df-3 12276 df-n0 12473 df-z 12559 df-uz 12823 df-rp 12975 df-fz 13485 df-fzo 13628 df-seq 13967 df-exp 14028 df-fac 14234 df-hash 14291 df-cj 15046 df-re 15047 df-im 15048 df-sqrt 15182 df-abs 15183 df-clim 15432 df-sum 15633

This theorem is referenced by: aaliou3lem9 25863

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