aaliou3lem6 - Metamath Proof Explorer

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Theorem aaliou3lem6 26097

Description: Lemma for aaliou3 26100. (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 7419	. . . . 5 ⊢ (𝑐 = 𝐴 → (1...𝑐) = (1...𝐴))
2	1	sumeq1d 15651	. . . 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 15638	. . . 4 ⊢ Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) ∈ V
5	2, 3, 4	fvmpt 6997	. . 3 ⊢ (𝐴 ∈ ℕ → (𝐻‘𝐴) = Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏))
6	5	oveq1d 7426	. 2 ⊢ (𝐴 ∈ ℕ → ((𝐻‘𝐴) · (2↑(!‘𝐴))) = (Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) · (2↑(!‘𝐴))))
7		fzfid 13942	. . . 4 ⊢ (𝐴 ∈ ℕ → (1...𝐴) ∈ Fin)
8		2rp 12983	. . . . . 6 ⊢ 2 ∈ ℝ⁺
9		nnnn0 12483	. . . . . . . 8 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ₀)
10	9	faccld 14248	. . . . . . 7 ⊢ (𝐴 ∈ ℕ → (!‘𝐴) ∈ ℕ)
11	10	nnzd 12589	. . . . . 6 ⊢ (𝐴 ∈ ℕ → (!‘𝐴) ∈ ℤ)
12		rpexpcl 14050	. . . . . 6 ⊢ ((2 ∈ ℝ⁺ ∧ (!‘𝐴) ∈ ℤ) → (2↑(!‘𝐴)) ∈ ℝ⁺)
13	8, 11, 12	sylancr 585	. . . . 5 ⊢ (𝐴 ∈ ℕ → (2↑(!‘𝐴)) ∈ ℝ⁺)
14	13	rpcnd 13022	. . . 4 ⊢ (𝐴 ∈ ℕ → (2↑(!‘𝐴)) ∈ ℂ)
15		elfznn 13534	. . . . . . 7 ⊢ (𝑏 ∈ (1...𝐴) → 𝑏 ∈ ℕ)
16		fveq2 6890	. . . . . . . . . 10 ⊢ (𝑎 = 𝑏 → (!‘𝑎) = (!‘𝑏))
17	16	negeqd 11458	. . . . . . . . 9 ⊢ (𝑎 = 𝑏 → -(!‘𝑎) = -(!‘𝑏))
18	17	oveq2d 7427	. . . . . . . 8 ⊢ (𝑎 = 𝑏 → (2↑-(!‘𝑎)) = (2↑-(!‘𝑏)))
19		aaliou3lem.c	. . . . . . . 8 ⊢ 𝐹 = (𝑎 ∈ ℕ ↦ (2↑-(!‘𝑎)))
20		ovex 7444	. . . . . . . 8 ⊢ (2↑-(!‘𝑏)) ∈ V
21	18, 19, 20	fvmpt 6997	. . . . . . 7 ⊢ (𝑏 ∈ ℕ → (𝐹‘𝑏) = (2↑-(!‘𝑏)))
22	15, 21	syl 17	. . . . . 6 ⊢ (𝑏 ∈ (1...𝐴) → (𝐹‘𝑏) = (2↑-(!‘𝑏)))
23	22	adantl 480	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (𝐹‘𝑏) = (2↑-(!‘𝑏)))
24	15	adantl 480	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ∈ ℕ)
25	24	nnnn0d 12536	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ∈ ℕ₀)
26	25	faccld 14248	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℕ)
27	26	nnzd 12589	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℤ)
28	27	znegcld 12672	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → -(!‘𝑏) ∈ ℤ)
29		rpexpcl 14050	. . . . . . 7 ⊢ ((2 ∈ ℝ⁺ ∧ -(!‘𝑏) ∈ ℤ) → (2↑-(!‘𝑏)) ∈ ℝ⁺)
30	8, 28, 29	sylancr 585	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑-(!‘𝑏)) ∈ ℝ⁺)
31	30	rpcnd 13022	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑-(!‘𝑏)) ∈ ℂ)
32	23, 31	eqeltrd 2831	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (𝐹‘𝑏) ∈ ℂ)
33	7, 14, 32	fsummulc1 15735	. . 3 ⊢ (𝐴 ∈ ℕ → (Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) · (2↑(!‘𝐴))) = Σ𝑏 ∈ (1...𝐴)((𝐹‘𝑏) · (2↑(!‘𝐴))))
34	23	oveq1d 7426	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((𝐹‘𝑏) · (2↑(!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
35	11	adantr 479	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℤ)
36		2cnne0 12426	. . . . . . . 8 ⊢ (2 ∈ ℂ ∧ 2 ≠ 0)
37		expaddz 14076	. . . . . . . 8 ⊢ (((2 ∈ ℂ ∧ 2 ≠ 0) ∧ (-(!‘𝑏) ∈ ℤ ∧ (!‘𝐴) ∈ ℤ)) → (2↑(-(!‘𝑏) + (!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
38	36, 37	mpan 686	. . . . . . 7 ⊢ ((-(!‘𝑏) ∈ ℤ ∧ (!‘𝐴) ∈ ℤ) → (2↑(-(!‘𝑏) + (!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
39	28, 35, 38	syl2anc 582	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑(-(!‘𝑏) + (!‘𝐴))) = ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))))
40		2z 12598	. . . . . . 7 ⊢ 2 ∈ ℤ
41	28	zcnd 12671	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → -(!‘𝑏) ∈ ℂ)
42	35	zcnd 12671	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℂ)
43	41, 42	addcomd 11420	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (-(!‘𝑏) + (!‘𝐴)) = ((!‘𝐴) + -(!‘𝑏)))
44	26	nncnd 12232	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℂ)
45	42, 44	negsubd 11581	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((!‘𝐴) + -(!‘𝑏)) = ((!‘𝐴) − (!‘𝑏)))
46	43, 45	eqtrd 2770	. . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (-(!‘𝑏) + (!‘𝐴)) = ((!‘𝐴) − (!‘𝑏)))
47	9	adantr 479	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝐴 ∈ ℕ₀)
48		elfzle2 13509	. . . . . . . . . . 11 ⊢ (𝑏 ∈ (1...𝐴) → 𝑏 ≤ 𝐴)
49	48	adantl 480	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → 𝑏 ≤ 𝐴)
50		facwordi 14253	. . . . . . . . . 10 ⊢ ((𝑏 ∈ ℕ₀ ∧ 𝐴 ∈ ℕ₀ ∧ 𝑏 ≤ 𝐴) → (!‘𝑏) ≤ (!‘𝐴))
51	25, 47, 49, 50	syl3anc 1369	. . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ≤ (!‘𝐴))
52	26	nnnn0d 12536	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝑏) ∈ ℕ₀)
53	47	faccld 14248	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℕ)
54	53	nnnn0d 12536	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (!‘𝐴) ∈ ℕ₀)
55		nn0sub 12526	. . . . . . . . . 10 ⊢ (((!‘𝑏) ∈ ℕ₀ ∧ (!‘𝐴) ∈ ℕ₀) → ((!‘𝑏) ≤ (!‘𝐴) ↔ ((!‘𝐴) − (!‘𝑏)) ∈ ℕ₀))
56	52, 54, 55	syl2anc 582	. . . . . . . . 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 2831	. . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (-(!‘𝑏) + (!‘𝐴)) ∈ ℕ₀)
59		zexpcl 14046	. . . . . . 7 ⊢ ((2 ∈ ℤ ∧ (-(!‘𝑏) + (!‘𝐴)) ∈ ℕ₀) → (2↑(-(!‘𝑏) + (!‘𝐴))) ∈ ℤ)
60	40, 58, 59	sylancr 585	. . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → (2↑(-(!‘𝑏) + (!‘𝐴))) ∈ ℤ)
61	39, 60	eqeltrrd 2832	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((2↑-(!‘𝑏)) · (2↑(!‘𝐴))) ∈ ℤ)
62	34, 61	eqeltrd 2831	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑏 ∈ (1...𝐴)) → ((𝐹‘𝑏) · (2↑(!‘𝐴))) ∈ ℤ)
63	7, 62	fsumzcl 15685	. . 3 ⊢ (𝐴 ∈ ℕ → Σ𝑏 ∈ (1...𝐴)((𝐹‘𝑏) · (2↑(!‘𝐴))) ∈ ℤ)
64	33, 63	eqeltrd 2831	. 2 ⊢ (𝐴 ∈ ℕ → (Σ𝑏 ∈ (1...𝐴)(𝐹‘𝑏) · (2↑(!‘𝐴))) ∈ ℤ)
65	6, 64	eqeltrd 2831	1 ⊢ (𝐴 ∈ ℕ → ((𝐻‘𝐴) · (2↑(!‘𝐴))) ∈ ℤ)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 394 = wceq 1539 ∈ wcel 2104 ≠ wne 2938 class class class wbr 5147 ↦ cmpt 5230 ‘cfv 6542 (class class class)co 7411 ℂcc 11110 0cc0 11112 1c1 11113 + caddc 11115 · cmul 11117 ≤ cle 11253 − cmin 11448 -cneg 11449 ℕcn 12216 2c2 12271 ℕ₀cn0 12476 ℤcz 12562 ℝ⁺crp 12978 ...cfz 13488 ↑cexp 14031 !cfa 14237 Σcsu 15636

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 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2701 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7727 ax-inf2 9638 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 ax-pre-sup 11190

This theorem depends on definitions: df-bi 206 df-an 395 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2532 df-eu 2561 df-clab 2708 df-cleq 2722 df-clel 2808 df-nfc 2883 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3474 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-int 4950 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-se 5631 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6299 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6494 df-fun 6544 df-fn 6545 df-f 6546 df-f1 6547 df-fo 6548 df-f1o 6549 df-fv 6550 df-isom 6551 df-riota 7367 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7858 df-1st 7977 df-2nd 7978 df-frecs 8268 df-wrecs 8299 df-recs 8373 df-rdg 8412 df-1o 8468 df-er 8705 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-sup 9439 df-oi 9507 df-card 9936 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-div 11876 df-nn 12217 df-2 12279 df-3 12280 df-n0 12477 df-z 12563 df-uz 12827 df-rp 12979 df-fz 13489 df-fzo 13632 df-seq 13971 df-exp 14032 df-fac 14238 df-hash 14295 df-cj 15050 df-re 15051 df-im 15052 df-sqrt 15186 df-abs 15187 df-clim 15436 df-sum 15637

This theorem is referenced by: aaliou3lem9 26099

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