fmul01lt1lem2 - Mathbox for Glauco Siliprandi

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Theorem fmul01lt1lem2 46566

Description: Given a finite multiplication of values between 0 and 1, a value 𝐸 larger than any multiplicand, is larger than the whole multiplication. (Contributed by Glauco Siliprandi, 20-Apr-2017.)

**Hypotheses**
Ref	Expression
fmul01lt1lem2.1	⊢ Ⅎ𝑖𝐵
fmul01lt1lem2.2	⊢ Ⅎ𝑖𝜑
fmul01lt1lem2.3	⊢ 𝐴 = seq𝐿( · , 𝐵)
fmul01lt1lem2.4	⊢ (𝜑 → 𝐿 ∈ ℤ)
fmul01lt1lem2.5	⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘𝐿))
fmul01lt1lem2.6	⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ∈ ℝ)
fmul01lt1lem2.7	⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) → 0 ≤ (𝐵‘𝑖))
fmul01lt1lem2.8	⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ≤ 1)
fmul01lt1lem2.9	⊢ (𝜑 → 𝐸 ∈ ℝ⁺)
fmul01lt1lem2.10	⊢ (𝜑 → 𝐽 ∈ (𝐿...𝑀))
fmul01lt1lem2.11	⊢ (𝜑 → (𝐵‘𝐽) < 𝐸)

**Assertion**
Ref	Expression
fmul01lt1lem2	⊢ (𝜑 → (𝐴‘𝑀) < 𝐸)

Distinct variable groups: 𝑖,𝐽 𝑖,𝐿 𝑖,𝑀 Allowed substitution hints: 𝜑(𝑖) 𝐴(𝑖) 𝐵(𝑖) 𝐸(𝑖)

Proof of Theorem fmul01lt1lem2 Dummy variables 𝑎 𝑏 𝑐 𝑗 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		fmul01lt1lem2.1	. . 3 ⊢ Ⅎ𝑖𝐵
2		fmul01lt1lem2.2	. . . 4 ⊢ Ⅎ𝑖𝜑
3		nfv 1947	. . . 4 ⊢ Ⅎ𝑖 𝐽 = 𝐿
4	2, 3	nfan 1932	. . 3 ⊢ Ⅎ𝑖(𝜑 ∧ 𝐽 = 𝐿)
5		fmul01lt1lem2.3	. . 3 ⊢ 𝐴 = seq𝐿( · , 𝐵)
6		fmul01lt1lem2.4	. . . 4 ⊢ (𝜑 → 𝐿 ∈ ℤ)
7	6	adantr 486	. . 3 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → 𝐿 ∈ ℤ)
8		fmul01lt1lem2.5	. . . 4 ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘𝐿))
9	8	adantr 486	. . 3 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → 𝑀 ∈ (ℤ_≥‘𝐿))
10		fmul01lt1lem2.6	. . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ∈ ℝ)
11	10	adantlr 728	. . 3 ⊢ (((𝜑 ∧ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ∈ ℝ)
12		fmul01lt1lem2.7	. . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) → 0 ≤ (𝐵‘𝑖))
13	12	adantlr 728	. . 3 ⊢ (((𝜑 ∧ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) → 0 ≤ (𝐵‘𝑖))
14		fmul01lt1lem2.8	. . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ≤ 1)
15	14	adantlr 728	. . 3 ⊢ (((𝜑 ∧ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ≤ 1)
16		fmul01lt1lem2.9	. . . 4 ⊢ (𝜑 → 𝐸 ∈ ℝ⁺)
17	16	adantr 486	. . 3 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → 𝐸 ∈ ℝ⁺)
18		simpr 490	. . . . 5 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → 𝐽 = 𝐿)
19	18	fveq2d 6887	. . . 4 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → (𝐵‘𝐽) = (𝐵‘𝐿))
20		fmul01lt1lem2.11	. . . . 5 ⊢ (𝜑 → (𝐵‘𝐽) < 𝐸)
21	20	adantr 486	. . . 4 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → (𝐵‘𝐽) < 𝐸)
22	19, 21	eqbrtrrd 5129	. . 3 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → (𝐵‘𝐿) < 𝐸)
23	1, 4, 5, 7, 9, 11, 13, 15, 17, 22	fmul01lt1lem1 46565	. 2 ⊢ ((𝜑 ∧ 𝐽 = 𝐿) → (𝐴‘𝑀) < 𝐸)
24	5	fveq1i 6884	. . 3 ⊢ (𝐴‘𝑀) = (seq𝐿( · , 𝐵)‘𝑀)
25		nfv 1947	. . . . . . . . 9 ⊢ Ⅎ𝑖 𝑎 ∈ (𝐿...𝑀)
26	2, 25	nfan 1932	. . . . . . . 8 ⊢ Ⅎ𝑖(𝜑 ∧ 𝑎 ∈ (𝐿...𝑀))
27		nfcv 2923	. . . . . . . . . 10 ⊢ Ⅎ𝑖𝑎
28	1, 27	nffv 6893	. . . . . . . . 9 ⊢ Ⅎ𝑖(𝐵‘𝑎)
29	28	nfel1 2939	. . . . . . . 8 ⊢ Ⅎ𝑖(𝐵‘𝑎) ∈ ℝ
30	26, 29	nfim 1929	. . . . . . 7 ⊢ Ⅎ𝑖((𝜑 ∧ 𝑎 ∈ (𝐿...𝑀)) → (𝐵‘𝑎) ∈ ℝ)
31		eleq1w 2844	. . . . . . . . 9 ⊢ (𝑖 = 𝑎 → (𝑖 ∈ (𝐿...𝑀) ↔ 𝑎 ∈ (𝐿...𝑀)))
32	31	anbi2d 642	. . . . . . . 8 ⊢ (𝑖 = 𝑎 → ((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) ↔ (𝜑 ∧ 𝑎 ∈ (𝐿...𝑀))))
33		fveq2 6883	. . . . . . . . 9 ⊢ (𝑖 = 𝑎 → (𝐵‘𝑖) = (𝐵‘𝑎))
34	33	eleq1d 2846	. . . . . . . 8 ⊢ (𝑖 = 𝑎 → ((𝐵‘𝑖) ∈ ℝ ↔ (𝐵‘𝑎) ∈ ℝ))
35	32, 34	imbi12d 347	. . . . . . 7 ⊢ (𝑖 = 𝑎 → (((𝜑 ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ∈ ℝ) ↔ ((𝜑 ∧ 𝑎 ∈ (𝐿...𝑀)) → (𝐵‘𝑎) ∈ ℝ)))
36	30, 35, 10	chvarfv 2277	. . . . . 6 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝐿...𝑀)) → (𝐵‘𝑎) ∈ ℝ)
37		remulcl 11278	. . . . . . 7 ⊢ ((𝑎 ∈ ℝ ∧ 𝑗 ∈ ℝ) → (𝑎 · 𝑗) ∈ ℝ)
38	37	adantl 487	. . . . . 6 ⊢ ((𝜑 ∧ (𝑎 ∈ ℝ ∧ 𝑗 ∈ ℝ)) → (𝑎 · 𝑗) ∈ ℝ)
39	8, 36, 38	seqcl 14158	. . . . 5 ⊢ (𝜑 → (seq𝐿( · , 𝐵)‘𝑀) ∈ ℝ)
40	39	adantr 486	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘𝑀) ∈ ℝ)
41		fmul01lt1lem2.10	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ (𝐿...𝑀))
42		elfzuz3 13646	. . . . . . 7 ⊢ (𝐽 ∈ (𝐿...𝑀) → 𝑀 ∈ (ℤ_≥‘𝐽))
43	41, 42	syl 18	. . . . . 6 ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘𝐽))
44		nfv 1947	. . . . . . . . 9 ⊢ Ⅎ𝑖 𝑎 ∈ (𝐽...𝑀)
45	2, 44	nfan 1932	. . . . . . . 8 ⊢ Ⅎ𝑖(𝜑 ∧ 𝑎 ∈ (𝐽...𝑀))
46	45, 29	nfim 1929	. . . . . . 7 ⊢ Ⅎ𝑖((𝜑 ∧ 𝑎 ∈ (𝐽...𝑀)) → (𝐵‘𝑎) ∈ ℝ)
47		eleq1w 2844	. . . . . . . . 9 ⊢ (𝑖 = 𝑎 → (𝑖 ∈ (𝐽...𝑀) ↔ 𝑎 ∈ (𝐽...𝑀)))
48	47	anbi2d 642	. . . . . . . 8 ⊢ (𝑖 = 𝑎 → ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) ↔ (𝜑 ∧ 𝑎 ∈ (𝐽...𝑀))))
49	48, 34	imbi12d 347	. . . . . . 7 ⊢ (𝑖 = 𝑎 → (((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → (𝐵‘𝑖) ∈ ℝ) ↔ ((𝜑 ∧ 𝑎 ∈ (𝐽...𝑀)) → (𝐵‘𝑎) ∈ ℝ)))
50	6	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝐿 ∈ ℤ)
51		eluzelz 12968	. . . . . . . . . . 11 ⊢ (𝑀 ∈ (ℤ_≥‘𝐿) → 𝑀 ∈ ℤ)
52	8, 51	syl 18	. . . . . . . . . 10 ⊢ (𝜑 → 𝑀 ∈ ℤ)
53	52	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝑀 ∈ ℤ)
54		elfzelz 13649	. . . . . . . . . 10 ⊢ (𝑖 ∈ (𝐽...𝑀) → 𝑖 ∈ ℤ)
55	54	adantl 487	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝑖 ∈ ℤ)
56	6	zred 12796	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐿 ∈ ℝ)
57	56	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝐿 ∈ ℝ)
58		elfzelz 13649	. . . . . . . . . . . . 13 ⊢ (𝐽 ∈ (𝐿...𝑀) → 𝐽 ∈ ℤ)
59	41, 58	syl 18	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐽 ∈ ℤ)
60	59	zred 12796	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐽 ∈ ℝ)
61	60	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝐽 ∈ ℝ)
62	54	zred 12796	. . . . . . . . . . 11 ⊢ (𝑖 ∈ (𝐽...𝑀) → 𝑖 ∈ ℝ)
63	62	adantl 487	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝑖 ∈ ℝ)
64		elfzle1 13653	. . . . . . . . . . . 12 ⊢ (𝐽 ∈ (𝐿...𝑀) → 𝐿 ≤ 𝐽)
65	41, 64	syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐿 ≤ 𝐽)
66	65	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝐿 ≤ 𝐽)
67		elfzle1 13653	. . . . . . . . . . 11 ⊢ (𝑖 ∈ (𝐽...𝑀) → 𝐽 ≤ 𝑖)
68	67	adantl 487	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝐽 ≤ 𝑖)
69	57, 61, 63, 66, 68	letrd 11460	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝐿 ≤ 𝑖)
70		elfzle2 13654	. . . . . . . . . 10 ⊢ (𝑖 ∈ (𝐽...𝑀) → 𝑖 ≤ 𝑀)
71	70	adantl 487	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝑖 ≤ 𝑀)
72	50, 53, 55, 69, 71	elfzd 13640	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 𝑖 ∈ (𝐿...𝑀))
73	72, 10	syldan 603	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → (𝐵‘𝑖) ∈ ℝ)
74	46, 49, 73	chvarfv 2277	. . . . . 6 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝐽...𝑀)) → (𝐵‘𝑎) ∈ ℝ)
75	43, 74, 38	seqcl 14158	. . . . 5 ⊢ (𝜑 → (seq𝐽( · , 𝐵)‘𝑀) ∈ ℝ)
76	75	adantr 486	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐽( · , 𝐵)‘𝑀) ∈ ℝ)
77	16	rpred 13157	. . . . 5 ⊢ (𝜑 → 𝐸 ∈ ℝ)
78	77	adantr 486	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝐸 ∈ ℝ)
79		remulcl 11278	. . . . . . . . 9 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ) → (𝑎 · 𝑏) ∈ ℝ)
80	79	adantl 487	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ (𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ)) → (𝑎 · 𝑏) ∈ ℝ)
81		simp1 1154	. . . . . . . . . . 11 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ) → 𝑎 ∈ ℝ)
82	81	recnd 11330	. . . . . . . . . 10 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ) → 𝑎 ∈ ℂ)
83		simp2 1155	. . . . . . . . . . 11 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ) → 𝑏 ∈ ℝ)
84	83	recnd 11330	. . . . . . . . . 10 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ) → 𝑏 ∈ ℂ)
85		simp3 1156	. . . . . . . . . . 11 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ) → 𝑐 ∈ ℝ)
86	85	recnd 11330	. . . . . . . . . 10 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ) → 𝑐 ∈ ℂ)
87	82, 84, 86	mulassd 11325	. . . . . . . . 9 ⊢ ((𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ) → ((𝑎 · 𝑏) · 𝑐) = (𝑎 · (𝑏 · 𝑐)))
88	87	adantl 487	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ (𝑎 ∈ ℝ ∧ 𝑏 ∈ ℝ ∧ 𝑐 ∈ ℝ)) → ((𝑎 · 𝑏) · 𝑐) = (𝑎 · (𝑏 · 𝑐)))
89	59	zcnd 12797	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐽 ∈ ℂ)
90		1cnd 11295	. . . . . . . . . . . 12 ⊢ (𝜑 → 1 ∈ ℂ)
91	89, 90	npcand 11666	. . . . . . . . . . 11 ⊢ (𝜑 → ((𝐽 − 1) + 1) = 𝐽)
92	91	fveq2d 6887	. . . . . . . . . 10 ⊢ (𝜑 → (ℤ_≥‘((𝐽 − 1) + 1)) = (ℤ_≥‘𝐽))
93	43, 92	eleqtrrd 2864	. . . . . . . . 9 ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘((𝐽 − 1) + 1)))
94	93	adantr 486	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝑀 ∈ (ℤ_≥‘((𝐽 − 1) + 1)))
95	6	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝐿 ∈ ℤ)
96	59	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝐽 ∈ ℤ)
97		1zzd 12720	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 1 ∈ ℤ)
98	96, 97	zsubcld 12801	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐽 − 1) ∈ ℤ)
99		simpr 490	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → ¬ 𝐽 = 𝐿)
100		eqcom 2768	. . . . . . . . . . . 12 ⊢ (𝐽 = 𝐿 ↔ 𝐿 = 𝐽)
101	99, 100	sylnib 331	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → ¬ 𝐿 = 𝐽)
102	56, 60	leloed 11446	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝐿 ≤ 𝐽 ↔ (𝐿 < 𝐽 ∨ 𝐿 = 𝐽)))
103	65, 102	mpbid 235	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐿 < 𝐽 ∨ 𝐿 = 𝐽))
104	103	adantr 486	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐿 < 𝐽 ∨ 𝐿 = 𝐽))
105		orel2 904	. . . . . . . . . . 11 ⊢ (¬ 𝐿 = 𝐽 → ((𝐿 < 𝐽 ∨ 𝐿 = 𝐽) → 𝐿 < 𝐽))
106	101, 104, 105	sylc 66	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝐿 < 𝐽)
107		zltlem1 12742	. . . . . . . . . . . 12 ⊢ ((𝐿 ∈ ℤ ∧ 𝐽 ∈ ℤ) → (𝐿 < 𝐽 ↔ 𝐿 ≤ (𝐽 − 1)))
108	6, 59, 107	syl2anc 596	. . . . . . . . . . 11 ⊢ (𝜑 → (𝐿 < 𝐽 ↔ 𝐿 ≤ (𝐽 − 1)))
109	108	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐿 < 𝐽 ↔ 𝐿 ≤ (𝐽 − 1)))
110	106, 109	mpbid 235	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝐿 ≤ (𝐽 − 1))
111		eluz2 12964	. . . . . . . . 9 ⊢ ((𝐽 − 1) ∈ (ℤ_≥‘𝐿) ↔ (𝐿 ∈ ℤ ∧ (𝐽 − 1) ∈ ℤ ∧ 𝐿 ≤ (𝐽 − 1)))
112	95, 98, 110, 111	syl3anbrc 1362	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐽 − 1) ∈ (ℤ_≥‘𝐿))
113		nfv 1947	. . . . . . . . . . . 12 ⊢ Ⅎ𝑖 ¬ 𝐽 = 𝐿
114	2, 113	nfan 1932	. . . . . . . . . . 11 ⊢ Ⅎ𝑖(𝜑 ∧ ¬ 𝐽 = 𝐿)
115	114, 25	nfan 1932	. . . . . . . . . 10 ⊢ Ⅎ𝑖((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...𝑀))
116	115, 29	nfim 1929	. . . . . . . . 9 ⊢ Ⅎ𝑖(((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...𝑀)) → (𝐵‘𝑎) ∈ ℝ)
117	31	anbi2d 642	. . . . . . . . . 10 ⊢ (𝑖 = 𝑎 → (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) ↔ ((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...𝑀))))
118	117, 34	imbi12d 347	. . . . . . . . 9 ⊢ (𝑖 = 𝑎 → ((((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ∈ ℝ) ↔ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...𝑀)) → (𝐵‘𝑎) ∈ ℝ)))
119	10	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ∈ ℝ)
120	116, 118, 119	chvarfv 2277	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...𝑀)) → (𝐵‘𝑎) ∈ ℝ)
121	80, 88, 94, 112, 120	seqsplit 14171	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘𝑀) = ((seq𝐿( · , 𝐵)‘(𝐽 − 1)) · (seq((𝐽 − 1) + 1)( · , 𝐵)‘𝑀)))
122	91	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → ((𝐽 − 1) + 1) = 𝐽)
123	122	seqeq1d 14143	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → seq((𝐽 − 1) + 1)( · , 𝐵) = seq𝐽( · , 𝐵))
124	123	fveq1d 6885	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq((𝐽 − 1) + 1)( · , 𝐵)‘𝑀) = (seq𝐽( · , 𝐵)‘𝑀))
125	124	oveq2d 7434	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → ((seq𝐿( · , 𝐵)‘(𝐽 − 1)) · (seq((𝐽 − 1) + 1)( · , 𝐵)‘𝑀)) = ((seq𝐿( · , 𝐵)‘(𝐽 − 1)) · (seq𝐽( · , 𝐵)‘𝑀)))
126	121, 125	eqtrd 2796	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘𝑀) = ((seq𝐿( · , 𝐵)‘(𝐽 − 1)) · (seq𝐽( · , 𝐵)‘𝑀)))
127		nfv 1947	. . . . . . . . . . 11 ⊢ Ⅎ𝑖 𝑎 ∈ (𝐿...(𝐽 − 1))
128	114, 127	nfan 1932	. . . . . . . . . 10 ⊢ Ⅎ𝑖((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...(𝐽 − 1)))
129	128, 29	nfim 1929	. . . . . . . . 9 ⊢ Ⅎ𝑖(((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...(𝐽 − 1))) → (𝐵‘𝑎) ∈ ℝ)
130		eleq1w 2844	. . . . . . . . . . 11 ⊢ (𝑖 = 𝑎 → (𝑖 ∈ (𝐿...(𝐽 − 1)) ↔ 𝑎 ∈ (𝐿...(𝐽 − 1))))
131	130	anbi2d 642	. . . . . . . . . 10 ⊢ (𝑖 = 𝑎 → (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) ↔ ((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...(𝐽 − 1)))))
132	131, 34	imbi12d 347	. . . . . . . . 9 ⊢ (𝑖 = 𝑎 → ((((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → (𝐵‘𝑖) ∈ ℝ) ↔ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...(𝐽 − 1))) → (𝐵‘𝑎) ∈ ℝ)))
133	6	adantr 486	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝐿 ∈ ℤ)
134	52	adantr 486	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑀 ∈ ℤ)
135		elfzelz 13649	. . . . . . . . . . . . 13 ⊢ (𝑖 ∈ (𝐿...(𝐽 − 1)) → 𝑖 ∈ ℤ)
136	135	adantl 487	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑖 ∈ ℤ)
137		elfzle1 13653	. . . . . . . . . . . . 13 ⊢ (𝑖 ∈ (𝐿...(𝐽 − 1)) → 𝐿 ≤ 𝑖)
138	137	adantl 487	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝐿 ≤ 𝑖)
139	135	zred 12796	. . . . . . . . . . . . . 14 ⊢ (𝑖 ∈ (𝐿...(𝐽 − 1)) → 𝑖 ∈ ℝ)
140	139	adantl 487	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑖 ∈ ℝ)
141	60	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝐽 ∈ ℝ)
142	52	zred 12796	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑀 ∈ ℝ)
143	142	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑀 ∈ ℝ)
144		1red 11302	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 1 ∈ ℝ)
145	60, 144	resubcld 11737	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝐽 − 1) ∈ ℝ)
146	145	adantr 486	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → (𝐽 − 1) ∈ ℝ)
147		elfzle2 13654	. . . . . . . . . . . . . . 15 ⊢ (𝑖 ∈ (𝐿...(𝐽 − 1)) → 𝑖 ≤ (𝐽 − 1))
148	147	adantl 487	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑖 ≤ (𝐽 − 1))
149	60	lem1d 12243	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝐽 − 1) ≤ 𝐽)
150	149	adantr 486	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → (𝐽 − 1) ≤ 𝐽)
151	140, 146, 141, 148, 150	letrd 11460	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑖 ≤ 𝐽)
152		elfzle2 13654	. . . . . . . . . . . . . . 15 ⊢ (𝐽 ∈ (𝐿...𝑀) → 𝐽 ≤ 𝑀)
153	41, 152	syl 18	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐽 ≤ 𝑀)
154	153	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝐽 ≤ 𝑀)
155	140, 141, 143, 151, 154	letrd 11460	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑖 ≤ 𝑀)
156	133, 134, 136, 138, 155	elfzd 13640	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → 𝑖 ∈ (𝐿...𝑀))
157	156, 10	syldan 603	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → (𝐵‘𝑖) ∈ ℝ)
158	157	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...(𝐽 − 1))) → (𝐵‘𝑖) ∈ ℝ)
159	129, 132, 158	chvarfv 2277	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑎 ∈ (𝐿...(𝐽 − 1))) → (𝐵‘𝑎) ∈ ℝ)
160	37	adantl 487	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ (𝑎 ∈ ℝ ∧ 𝑗 ∈ ℝ)) → (𝑎 · 𝑗) ∈ ℝ)
161	112, 159, 160	seqcl 14158	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘(𝐽 − 1)) ∈ ℝ)
162		1red 11302	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 1 ∈ ℝ)
163		eqid 2761	. . . . . . . . 9 ⊢ seq𝐽( · , 𝐵) = seq𝐽( · , 𝐵)
164	43	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝑀 ∈ (ℤ_≥‘𝐽))
165		eluzfz2 13658	. . . . . . . . . . 11 ⊢ (𝑀 ∈ (ℤ_≥‘𝐽) → 𝑀 ∈ (𝐽...𝑀))
166	43, 165	syl 18	. . . . . . . . . 10 ⊢ (𝜑 → 𝑀 ∈ (𝐽...𝑀))
167	166	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝑀 ∈ (𝐽...𝑀))
168	73	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐽...𝑀)) → (𝐵‘𝑖) ∈ ℝ)
169	72, 12	syldan 603	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → 0 ≤ (𝐵‘𝑖))
170	169	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐽...𝑀)) → 0 ≤ (𝐵‘𝑖))
171	72, 14	syldan 603	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ (𝐽...𝑀)) → (𝐵‘𝑖) ≤ 1)
172	171	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐽...𝑀)) → (𝐵‘𝑖) ≤ 1)
173	1, 114, 163, 96, 164, 167, 168, 170, 172	fmul01 46561	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (0 ≤ (seq𝐽( · , 𝐵)‘𝑀) ∧ (seq𝐽( · , 𝐵)‘𝑀) ≤ 1))
174	173	simpld 500	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 0 ≤ (seq𝐽( · , 𝐵)‘𝑀))
175		eqid 2761	. . . . . . . . 9 ⊢ seq𝐿( · , 𝐵) = seq𝐿( · , 𝐵)
176	8	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝑀 ∈ (ℤ_≥‘𝐿))
177		1zzd 12720	. . . . . . . . . . . . 13 ⊢ (𝜑 → 1 ∈ ℤ)
178	59, 177	zsubcld 12801	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐽 − 1) ∈ ℤ)
179	6, 52, 178	3jca 1146	. . . . . . . . . . 11 ⊢ (𝜑 → (𝐿 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ (𝐽 − 1) ∈ ℤ))
180	179	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐿 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ (𝐽 − 1) ∈ ℤ))
181	145, 60, 142	3jca 1146	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((𝐽 − 1) ∈ ℝ ∧ 𝐽 ∈ ℝ ∧ 𝑀 ∈ ℝ))
182	181	adantr 486	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → ((𝐽 − 1) ∈ ℝ ∧ 𝐽 ∈ ℝ ∧ 𝑀 ∈ ℝ))
183	60	adantr 486	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝐽 ∈ ℝ)
184	183	lem1d 12243	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐽 − 1) ≤ 𝐽)
185	153	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → 𝐽 ≤ 𝑀)
186	184, 185	jca 521	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → ((𝐽 − 1) ≤ 𝐽 ∧ 𝐽 ≤ 𝑀))
187		letr 11397	. . . . . . . . . . . 12 ⊢ (((𝐽 − 1) ∈ ℝ ∧ 𝐽 ∈ ℝ ∧ 𝑀 ∈ ℝ) → (((𝐽 − 1) ≤ 𝐽 ∧ 𝐽 ≤ 𝑀) → (𝐽 − 1) ≤ 𝑀))
188	182, 186, 187	sylc 66	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐽 − 1) ≤ 𝑀)
189	110, 188	jca 521	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐿 ≤ (𝐽 − 1) ∧ (𝐽 − 1) ≤ 𝑀))
190		elfz2 13639	. . . . . . . . . 10 ⊢ ((𝐽 − 1) ∈ (𝐿...𝑀) ↔ ((𝐿 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ (𝐽 − 1) ∈ ℤ) ∧ (𝐿 ≤ (𝐽 − 1) ∧ (𝐽 − 1) ≤ 𝑀)))
191	180, 189, 190	sylanbrc 595	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐽 − 1) ∈ (𝐿...𝑀))
192	12	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) → 0 ≤ (𝐵‘𝑖))
193	14	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝐽 = 𝐿) ∧ 𝑖 ∈ (𝐿...𝑀)) → (𝐵‘𝑖) ≤ 1)
194	1, 114, 175, 95, 176, 191, 119, 192, 193	fmul01 46561	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (0 ≤ (seq𝐿( · , 𝐵)‘(𝐽 − 1)) ∧ (seq𝐿( · , 𝐵)‘(𝐽 − 1)) ≤ 1))
195	194	simprd 501	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘(𝐽 − 1)) ≤ 1)
196	161, 162, 76, 174, 195	lemul1ad 12249	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → ((seq𝐿( · , 𝐵)‘(𝐽 − 1)) · (seq𝐽( · , 𝐵)‘𝑀)) ≤ (1 · (seq𝐽( · , 𝐵)‘𝑀)))
197	126, 196	eqbrtrd 5127	. . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘𝑀) ≤ (1 · (seq𝐽( · , 𝐵)‘𝑀)))
198	76	recnd 11330	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐽( · , 𝐵)‘𝑀) ∈ ℂ)
199	198	mullidd 11320	. . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (1 · (seq𝐽( · , 𝐵)‘𝑀)) = (seq𝐽( · , 𝐵)‘𝑀))
200	197, 199	breqtrd 5131	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘𝑀) ≤ (seq𝐽( · , 𝐵)‘𝑀))
201	1, 2, 163, 59, 43, 73, 169, 171, 16, 20	fmul01lt1lem1 46565	. . . . 5 ⊢ (𝜑 → (seq𝐽( · , 𝐵)‘𝑀) < 𝐸)
202	201	adantr 486	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐽( · , 𝐵)‘𝑀) < 𝐸)
203	40, 76, 78, 200, 202	lelttrd 11461	. . 3 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (seq𝐿( · , 𝐵)‘𝑀) < 𝐸)
204	24, 203	eqbrtrid 5140	. 2 ⊢ ((𝜑 ∧ ¬ 𝐽 = 𝐿) → (𝐴‘𝑀) < 𝐸)
205	23, 204	pm2.61dan 825	1 ⊢ (𝜑 → (𝐴‘𝑀) < 𝐸)

Colors of variables: wff setvar class

This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 401 ∨ wo 861 ∧ w3a 1103 = wceq 1570 Ⅎwnf 1816 ∈ wcel 2145 Ⅎwnfc 2908 class class class wbr 5103 ‘cfv 6537 (class class class)co 7418 ℝcr 11192 0cc0 11193 1c1 11194 + caddc 11196 · cmul 11198 < clt 11336 ≤ cle 11337 − cmin 11534 ℤcz 12686 ℤ_≥cuz 12958 ℝ⁺crp 13113 ...cfz 13632 seqcseq 14137

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 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-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-om 7876 df-1st 7999 df-2nd 8000 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-nn 12329 df-n0 12600 df-z 12687 df-uz 12959 df-rp 13114 df-fz 13633 df-fzo 13782 df-seq 14138

This theorem is used by: fmul01lt1 46567

W3C validator