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Theorem stoweidlem48 43589
Description: This lemma is used to prove that 𝑥 built as in Lemma 2 of [BrosowskiDeutsh] p. 91, is such that x < ε on 𝐴. Here 𝑋 is used to represent 𝑥 in the paper, 𝐸 is used to represent ε in the paper, and 𝐷 is used to represent 𝐴 in the paper (because 𝐴 is always used to represent the subalgebra). (Contributed by Glauco Siliprandi, 20-Apr-2017.)
Hypotheses
Ref Expression
stoweidlem48.1 𝑖𝜑
stoweidlem48.2 𝑡𝜑
stoweidlem48.3 𝑌 = {𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)}
stoweidlem48.4 𝑃 = (𝑓𝑌, 𝑔𝑌 ↦ (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))))
stoweidlem48.5 𝑋 = (seq1(𝑃, 𝑈)‘𝑀)
stoweidlem48.6 𝐹 = (𝑡𝑇 ↦ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
stoweidlem48.7 𝑍 = (𝑡𝑇 ↦ (seq1( · , (𝐹𝑡))‘𝑀))
stoweidlem48.8 (𝜑𝑀 ∈ ℕ)
stoweidlem48.9 (𝜑𝑊:(1...𝑀)⟶𝑉)
stoweidlem48.10 (𝜑𝑈:(1...𝑀)⟶𝑌)
stoweidlem48.11 (𝜑𝐷 ran 𝑊)
stoweidlem48.12 (𝜑𝐷𝑇)
stoweidlem48.13 ((𝜑𝑖 ∈ (1...𝑀)) → ∀𝑡 ∈ (𝑊𝑖)((𝑈𝑖)‘𝑡) < 𝐸)
stoweidlem48.14 (𝜑𝑇 ∈ V)
stoweidlem48.15 ((𝜑𝑓𝐴) → 𝑓:𝑇⟶ℝ)
stoweidlem48.16 ((𝜑𝑓𝐴𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴)
stoweidlem48.17 (𝜑𝐸 ∈ ℝ+)
Assertion
Ref Expression
stoweidlem48 (𝜑 → ∀𝑡𝐷 (𝑋𝑡) < 𝐸)
Distinct variable groups:   𝑓,𝑔,,𝑡,𝐴   𝑓,𝑖,𝑇,,𝑡   𝑓,𝐹,𝑔   𝑓,𝑀,𝑔   𝑈,𝑓,𝑔,,𝑡   𝑓,𝑌,𝑔   𝜑,𝑓,𝑔   𝑇,𝑔   𝐷,𝑖   𝑖,𝐸   𝑖,𝑀   𝑈,𝑖   𝑖,𝑊
Allowed substitution hints:   𝜑(𝑡,,𝑖)   𝐴(𝑖)   𝐷(𝑡,𝑓,𝑔,)   𝑃(𝑡,𝑓,𝑔,,𝑖)   𝐸(𝑡,𝑓,𝑔,)   𝐹(𝑡,,𝑖)   𝑀(𝑡,)   𝑉(𝑡,𝑓,𝑔,,𝑖)   𝑊(𝑡,𝑓,𝑔,)   𝑋(𝑡,𝑓,𝑔,,𝑖)   𝑌(𝑡,,𝑖)   𝑍(𝑡,𝑓,𝑔,,𝑖)

Proof of Theorem stoweidlem48
Dummy variables 𝑗 𝑘 𝑤 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 stoweidlem48.2 . 2 𝑡𝜑
2 stoweidlem48.12 . . . . . 6 (𝜑𝐷𝑇)
32sselda 3921 . . . . 5 ((𝜑𝑡𝐷) → 𝑡𝑇)
4 stoweidlem48.1 . . . . . 6 𝑖𝜑
5 stoweidlem48.3 . . . . . . 7 𝑌 = {𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)}
6 nfra1 3144 . . . . . . . 8 𝑡𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)
7 nfcv 2907 . . . . . . . 8 𝑡𝐴
86, 7nfrabw 3318 . . . . . . 7 𝑡{𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)}
95, 8nfcxfr 2905 . . . . . 6 𝑡𝑌
10 stoweidlem48.4 . . . . . 6 𝑃 = (𝑓𝑌, 𝑔𝑌 ↦ (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))))
11 stoweidlem48.5 . . . . . 6 𝑋 = (seq1(𝑃, 𝑈)‘𝑀)
12 stoweidlem48.6 . . . . . 6 𝐹 = (𝑡𝑇 ↦ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
13 stoweidlem48.7 . . . . . 6 𝑍 = (𝑡𝑇 ↦ (seq1( · , (𝐹𝑡))‘𝑀))
14 stoweidlem48.14 . . . . . 6 (𝜑𝑇 ∈ V)
15 stoweidlem48.8 . . . . . 6 (𝜑𝑀 ∈ ℕ)
16 stoweidlem48.10 . . . . . 6 (𝜑𝑈:(1...𝑀)⟶𝑌)
175eleq2i 2830 . . . . . . . . 9 (𝑓𝑌𝑓 ∈ {𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)})
18 fveq1 6773 . . . . . . . . . . . . 13 ( = 𝑓 → (𝑡) = (𝑓𝑡))
1918breq2d 5086 . . . . . . . . . . . 12 ( = 𝑓 → (0 ≤ (𝑡) ↔ 0 ≤ (𝑓𝑡)))
2018breq1d 5084 . . . . . . . . . . . 12 ( = 𝑓 → ((𝑡) ≤ 1 ↔ (𝑓𝑡) ≤ 1))
2119, 20anbi12d 631 . . . . . . . . . . 11 ( = 𝑓 → ((0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2221ralbidv 3112 . . . . . . . . . 10 ( = 𝑓 → (∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ ∀𝑡𝑇 (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2322elrab 3624 . . . . . . . . 9 (𝑓 ∈ {𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)} ↔ (𝑓𝐴 ∧ ∀𝑡𝑇 (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2417, 23sylbb 218 . . . . . . . 8 (𝑓𝑌 → (𝑓𝐴 ∧ ∀𝑡𝑇 (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2524simpld 495 . . . . . . 7 (𝑓𝑌𝑓𝐴)
26 stoweidlem48.15 . . . . . . 7 ((𝜑𝑓𝐴) → 𝑓:𝑇⟶ℝ)
2725, 26sylan2 593 . . . . . 6 ((𝜑𝑓𝑌) → 𝑓:𝑇⟶ℝ)
28 eqid 2738 . . . . . . 7 (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) = (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡)))
29 stoweidlem48.16 . . . . . . 7 ((𝜑𝑓𝐴𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴)
301, 5, 28, 26, 29stoweidlem16 43557 . . . . . 6 ((𝜑𝑓𝑌𝑔𝑌) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝑌)
314, 9, 10, 11, 12, 13, 14, 15, 16, 27, 30fmuldfeq 43124 . . . . 5 ((𝜑𝑡𝑇) → (𝑋𝑡) = (𝑍𝑡))
323, 31syldan 591 . . . 4 ((𝜑𝑡𝐷) → (𝑋𝑡) = (𝑍𝑡))
33 elnnuz 12622 . . . . . . . . 9 (𝑀 ∈ ℕ ↔ 𝑀 ∈ (ℤ‘1))
3415, 33sylib 217 . . . . . . . 8 (𝜑𝑀 ∈ (ℤ‘1))
3534adantr 481 . . . . . . 7 ((𝜑𝑡𝐷) → 𝑀 ∈ (ℤ‘1))
36 nfv 1917 . . . . . . . . . . . 12 𝑖 𝑡𝑇
374, 36nfan 1902 . . . . . . . . . . 11 𝑖(𝜑𝑡𝑇)
3816ffvelrnda 6961 . . . . . . . . . . . . . . . 16 ((𝜑𝑖 ∈ (1...𝑀)) → (𝑈𝑖) ∈ 𝑌)
39 fveq1 6773 . . . . . . . . . . . . . . . . . . . 20 ( = (𝑈𝑖) → (𝑡) = ((𝑈𝑖)‘𝑡))
4039breq2d 5086 . . . . . . . . . . . . . . . . . . 19 ( = (𝑈𝑖) → (0 ≤ (𝑡) ↔ 0 ≤ ((𝑈𝑖)‘𝑡)))
4139breq1d 5084 . . . . . . . . . . . . . . . . . . 19 ( = (𝑈𝑖) → ((𝑡) ≤ 1 ↔ ((𝑈𝑖)‘𝑡) ≤ 1))
4240, 41anbi12d 631 . . . . . . . . . . . . . . . . . 18 ( = (𝑈𝑖) → ((0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4342ralbidv 3112 . . . . . . . . . . . . . . . . 17 ( = (𝑈𝑖) → (∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4443, 5elrab2 3627 . . . . . . . . . . . . . . . 16 ((𝑈𝑖) ∈ 𝑌 ↔ ((𝑈𝑖) ∈ 𝐴 ∧ ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4538, 44sylib 217 . . . . . . . . . . . . . . 15 ((𝜑𝑖 ∈ (1...𝑀)) → ((𝑈𝑖) ∈ 𝐴 ∧ ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4645simpld 495 . . . . . . . . . . . . . 14 ((𝜑𝑖 ∈ (1...𝑀)) → (𝑈𝑖) ∈ 𝐴)
47 simpl 483 . . . . . . . . . . . . . . 15 ((𝜑𝑖 ∈ (1...𝑀)) → 𝜑)
4847, 46jca 512 . . . . . . . . . . . . . 14 ((𝜑𝑖 ∈ (1...𝑀)) → (𝜑 ∧ (𝑈𝑖) ∈ 𝐴))
49 eleq1 2826 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑈𝑖) → (𝑓𝐴 ↔ (𝑈𝑖) ∈ 𝐴))
5049anbi2d 629 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑈𝑖) → ((𝜑𝑓𝐴) ↔ (𝜑 ∧ (𝑈𝑖) ∈ 𝐴)))
51 feq1 6581 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑈𝑖) → (𝑓:𝑇⟶ℝ ↔ (𝑈𝑖):𝑇⟶ℝ))
5250, 51imbi12d 345 . . . . . . . . . . . . . . 15 (𝑓 = (𝑈𝑖) → (((𝜑𝑓𝐴) → 𝑓:𝑇⟶ℝ) ↔ ((𝜑 ∧ (𝑈𝑖) ∈ 𝐴) → (𝑈𝑖):𝑇⟶ℝ)))
5352, 26vtoclg 3505 . . . . . . . . . . . . . 14 ((𝑈𝑖) ∈ 𝐴 → ((𝜑 ∧ (𝑈𝑖) ∈ 𝐴) → (𝑈𝑖):𝑇⟶ℝ))
5446, 48, 53sylc 65 . . . . . . . . . . . . 13 ((𝜑𝑖 ∈ (1...𝑀)) → (𝑈𝑖):𝑇⟶ℝ)
5554adantlr 712 . . . . . . . . . . . 12 (((𝜑𝑡𝑇) ∧ 𝑖 ∈ (1...𝑀)) → (𝑈𝑖):𝑇⟶ℝ)
56 simplr 766 . . . . . . . . . . . 12 (((𝜑𝑡𝑇) ∧ 𝑖 ∈ (1...𝑀)) → 𝑡𝑇)
5755, 56ffvelrnd 6962 . . . . . . . . . . 11 (((𝜑𝑡𝑇) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑈𝑖)‘𝑡) ∈ ℝ)
58 eqid 2738 . . . . . . . . . . 11 (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) = (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))
5937, 57, 58fmptdf 6991 . . . . . . . . . 10 ((𝜑𝑡𝑇) → (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)):(1...𝑀)⟶ℝ)
60 simpr 485 . . . . . . . . . . . 12 ((𝜑𝑡𝑇) → 𝑡𝑇)
61 ovex 7308 . . . . . . . . . . . . 13 (1...𝑀) ∈ V
62 mptexg 7097 . . . . . . . . . . . . 13 ((1...𝑀) ∈ V → (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) ∈ V)
6361, 62mp1i 13 . . . . . . . . . . . 12 ((𝜑𝑡𝑇) → (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) ∈ V)
6412fvmpt2 6886 . . . . . . . . . . . 12 ((𝑡𝑇 ∧ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) ∈ V) → (𝐹𝑡) = (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
6560, 63, 64syl2anc 584 . . . . . . . . . . 11 ((𝜑𝑡𝑇) → (𝐹𝑡) = (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
6665feq1d 6585 . . . . . . . . . 10 ((𝜑𝑡𝑇) → ((𝐹𝑡):(1...𝑀)⟶ℝ ↔ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)):(1...𝑀)⟶ℝ))
6759, 66mpbird 256 . . . . . . . . 9 ((𝜑𝑡𝑇) → (𝐹𝑡):(1...𝑀)⟶ℝ)
683, 67syldan 591 . . . . . . . 8 ((𝜑𝑡𝐷) → (𝐹𝑡):(1...𝑀)⟶ℝ)
6968ffvelrnda 6961 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑘 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑘) ∈ ℝ)
70 remulcl 10956 . . . . . . . 8 ((𝑘 ∈ ℝ ∧ 𝑗 ∈ ℝ) → (𝑘 · 𝑗) ∈ ℝ)
7170adantl 482 . . . . . . 7 (((𝜑𝑡𝐷) ∧ (𝑘 ∈ ℝ ∧ 𝑗 ∈ ℝ)) → (𝑘 · 𝑗) ∈ ℝ)
7235, 69, 71seqcl 13743 . . . . . 6 ((𝜑𝑡𝐷) → (seq1( · , (𝐹𝑡))‘𝑀) ∈ ℝ)
7313fvmpt2 6886 . . . . . 6 ((𝑡𝑇 ∧ (seq1( · , (𝐹𝑡))‘𝑀) ∈ ℝ) → (𝑍𝑡) = (seq1( · , (𝐹𝑡))‘𝑀))
743, 72, 73syl2anc 584 . . . . 5 ((𝜑𝑡𝐷) → (𝑍𝑡) = (seq1( · , (𝐹𝑡))‘𝑀))
75 nfcv 2907 . . . . . . . . 9 𝑖𝑇
76 nfmpt1 5182 . . . . . . . . 9 𝑖(𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))
7775, 76nfmpt 5181 . . . . . . . 8 𝑖(𝑡𝑇 ↦ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
7812, 77nfcxfr 2905 . . . . . . 7 𝑖𝐹
79 nfcv 2907 . . . . . . 7 𝑖𝑡
8078, 79nffv 6784 . . . . . 6 𝑖(𝐹𝑡)
81 nfv 1917 . . . . . . 7 𝑖 𝑡𝐷
824, 81nfan 1902 . . . . . 6 𝑖(𝜑𝑡𝐷)
83 nfcv 2907 . . . . . 6 𝑗seq1( · , (𝐹𝑡))
84 eqid 2738 . . . . . 6 seq1( · , (𝐹𝑡)) = seq1( · , (𝐹𝑡))
8515adantr 481 . . . . . 6 ((𝜑𝑡𝐷) → 𝑀 ∈ ℕ)
86 simpll 764 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 𝜑)
87 simpr 485 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 𝑖 ∈ (1...𝑀))
883adantr 481 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 𝑡𝑇)
8945simprd 496 . . . . . . . . . 10 ((𝜑𝑖 ∈ (1...𝑀)) → ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1))
9089r19.21bi 3134 . . . . . . . . 9 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡𝑇) → (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1))
9190simpld 495 . . . . . . . 8 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡𝑇) → 0 ≤ ((𝑈𝑖)‘𝑡))
9286, 87, 88, 91syl21anc 835 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 0 ≤ ((𝑈𝑖)‘𝑡))
9365fveq1d 6776 . . . . . . . . 9 ((𝜑𝑡𝑇) → ((𝐹𝑡)‘𝑖) = ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖))
9486, 88, 93syl2anc 584 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) = ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖))
9586, 88, 87, 57syl21anc 835 . . . . . . . . 9 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑈𝑖)‘𝑡) ∈ ℝ)
9658fvmpt2 6886 . . . . . . . . 9 ((𝑖 ∈ (1...𝑀) ∧ ((𝑈𝑖)‘𝑡) ∈ ℝ) → ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖) = ((𝑈𝑖)‘𝑡))
9787, 95, 96syl2anc 584 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖) = ((𝑈𝑖)‘𝑡))
9894, 97eqtrd 2778 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) = ((𝑈𝑖)‘𝑡))
9992, 98breqtrrd 5102 . . . . . 6 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 0 ≤ ((𝐹𝑡)‘𝑖))
10090simprd 496 . . . . . . . 8 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡𝑇) → ((𝑈𝑖)‘𝑡) ≤ 1)
10186, 87, 88, 100syl21anc 835 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑈𝑖)‘𝑡) ≤ 1)
10298, 101eqbrtrd 5096 . . . . . 6 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) ≤ 1)
103 stoweidlem48.17 . . . . . . 7 (𝜑𝐸 ∈ ℝ+)
104103adantr 481 . . . . . 6 ((𝜑𝑡𝐷) → 𝐸 ∈ ℝ+)
105 stoweidlem48.11 . . . . . . . . . . 11 (𝜑𝐷 ran 𝑊)
106105sselda 3921 . . . . . . . . . 10 ((𝜑𝑡𝐷) → 𝑡 ran 𝑊)
107 eluni 4842 . . . . . . . . . 10 (𝑡 ran 𝑊 ↔ ∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊))
108106, 107sylib 217 . . . . . . . . 9 ((𝜑𝑡𝐷) → ∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊))
109 stoweidlem48.9 . . . . . . . . . . . . . . . 16 (𝜑𝑊:(1...𝑀)⟶𝑉)
110 ffn 6600 . . . . . . . . . . . . . . . 16 (𝑊:(1...𝑀)⟶𝑉𝑊 Fn (1...𝑀))
111 fvelrnb 6830 . . . . . . . . . . . . . . . 16 (𝑊 Fn (1...𝑀) → (𝑤 ∈ ran 𝑊 ↔ ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤))
112109, 110, 1113syl 18 . . . . . . . . . . . . . . 15 (𝜑 → (𝑤 ∈ ran 𝑊 ↔ ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤))
113112biimpa 477 . . . . . . . . . . . . . 14 ((𝜑𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤)
114113adantrl 713 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑡𝑤𝑤 ∈ ran 𝑊)) → ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤)
115 simplr 766 . . . . . . . . . . . . . . . . 17 (((𝜑𝑡𝑤) ∧ (𝑊𝑗) = 𝑤) → 𝑡𝑤)
116 simpr 485 . . . . . . . . . . . . . . . . 17 (((𝜑𝑡𝑤) ∧ (𝑊𝑗) = 𝑤) → (𝑊𝑗) = 𝑤)
117115, 116eleqtrrd 2842 . . . . . . . . . . . . . . . 16 (((𝜑𝑡𝑤) ∧ (𝑊𝑗) = 𝑤) → 𝑡 ∈ (𝑊𝑗))
118117ex 413 . . . . . . . . . . . . . . 15 ((𝜑𝑡𝑤) → ((𝑊𝑗) = 𝑤𝑡 ∈ (𝑊𝑗)))
119118reximdv 3202 . . . . . . . . . . . . . 14 ((𝜑𝑡𝑤) → (∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤 → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
120119adantrr 714 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑡𝑤𝑤 ∈ ran 𝑊)) → (∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤 → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
121114, 120mpd 15 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝑤𝑤 ∈ ran 𝑊)) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗))
122121ex 413 . . . . . . . . . . 11 (𝜑 → ((𝑡𝑤𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
123122exlimdv 1936 . . . . . . . . . 10 (𝜑 → (∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
124123adantr 481 . . . . . . . . 9 ((𝜑𝑡𝐷) → (∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
125108, 124mpd 15 . . . . . . . 8 ((𝜑𝑡𝐷) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗))
126 simplll 772 . . . . . . . . . . 11 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → 𝜑)
127 simplr 766 . . . . . . . . . . 11 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → 𝑗 ∈ (1...𝑀))
128 simpr 485 . . . . . . . . . . 11 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → 𝑡 ∈ (𝑊𝑗))
129 nfv 1917 . . . . . . . . . . . . . 14 𝑖 𝑗 ∈ (1...𝑀)
130 nfv 1917 . . . . . . . . . . . . . 14 𝑖 𝑡 ∈ (𝑊𝑗)
1314, 129, 130nf3an 1904 . . . . . . . . . . . . 13 𝑖(𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗))
132 nfv 1917 . . . . . . . . . . . . 13 𝑖((𝑈𝑗)‘𝑡) < 𝐸
133131, 132nfim 1899 . . . . . . . . . . . 12 𝑖((𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗)) → ((𝑈𝑗)‘𝑡) < 𝐸)
134 eleq1 2826 . . . . . . . . . . . . . 14 (𝑖 = 𝑗 → (𝑖 ∈ (1...𝑀) ↔ 𝑗 ∈ (1...𝑀)))
135 fveq2 6774 . . . . . . . . . . . . . . 15 (𝑖 = 𝑗 → (𝑊𝑖) = (𝑊𝑗))
136135eleq2d 2824 . . . . . . . . . . . . . 14 (𝑖 = 𝑗 → (𝑡 ∈ (𝑊𝑖) ↔ 𝑡 ∈ (𝑊𝑗)))
137134, 1363anbi23d 1438 . . . . . . . . . . . . 13 (𝑖 = 𝑗 → ((𝜑𝑖 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑖)) ↔ (𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗))))
138 fveq2 6774 . . . . . . . . . . . . . . 15 (𝑖 = 𝑗 → (𝑈𝑖) = (𝑈𝑗))
139138fveq1d 6776 . . . . . . . . . . . . . 14 (𝑖 = 𝑗 → ((𝑈𝑖)‘𝑡) = ((𝑈𝑗)‘𝑡))
140139breq1d 5084 . . . . . . . . . . . . 13 (𝑖 = 𝑗 → (((𝑈𝑖)‘𝑡) < 𝐸 ↔ ((𝑈𝑗)‘𝑡) < 𝐸))
141137, 140imbi12d 345 . . . . . . . . . . . 12 (𝑖 = 𝑗 → (((𝜑𝑖 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑖)) → ((𝑈𝑖)‘𝑡) < 𝐸) ↔ ((𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗)) → ((𝑈𝑗)‘𝑡) < 𝐸)))
142 stoweidlem48.13 . . . . . . . . . . . . . 14 ((𝜑𝑖 ∈ (1...𝑀)) → ∀𝑡 ∈ (𝑊𝑖)((𝑈𝑖)‘𝑡) < 𝐸)
143142r19.21bi 3134 . . . . . . . . . . . . 13 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑖)) → ((𝑈𝑖)‘𝑡) < 𝐸)
1441433impa 1109 . . . . . . . . . . . 12 ((𝜑𝑖 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑖)) → ((𝑈𝑖)‘𝑡) < 𝐸)
145133, 141, 144chvarfv 2233 . . . . . . . . . . 11 ((𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗)) → ((𝑈𝑗)‘𝑡) < 𝐸)
146126, 127, 128, 145syl3anc 1370 . . . . . . . . . 10 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → ((𝑈𝑗)‘𝑡) < 𝐸)
147146ex 413 . . . . . . . . 9 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → (𝑡 ∈ (𝑊𝑗) → ((𝑈𝑗)‘𝑡) < 𝐸))
148147reximdva 3203 . . . . . . . 8 ((𝜑𝑡𝐷) → (∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗) → ∃𝑗 ∈ (1...𝑀)((𝑈𝑗)‘𝑡) < 𝐸))
149125, 148mpd 15 . . . . . . 7 ((𝜑𝑡𝐷) → ∃𝑗 ∈ (1...𝑀)((𝑈𝑗)‘𝑡) < 𝐸)
15082, 129nfan 1902 . . . . . . . . . . . 12 𝑖((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀))
151 nfcv 2907 . . . . . . . . . . . . . 14 𝑖𝑗
15280, 151nffv 6784 . . . . . . . . . . . . 13 𝑖((𝐹𝑡)‘𝑗)
153152nfeq1 2922 . . . . . . . . . . . 12 𝑖((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡)
154150, 153nfim 1899 . . . . . . . . . . 11 𝑖(((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡))
155134anbi2d 629 . . . . . . . . . . . 12 (𝑖 = 𝑗 → (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) ↔ ((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀))))
156 fveq2 6774 . . . . . . . . . . . . 13 (𝑖 = 𝑗 → ((𝐹𝑡)‘𝑖) = ((𝐹𝑡)‘𝑗))
157156, 139eqeq12d 2754 . . . . . . . . . . . 12 (𝑖 = 𝑗 → (((𝐹𝑡)‘𝑖) = ((𝑈𝑖)‘𝑡) ↔ ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡)))
158155, 157imbi12d 345 . . . . . . . . . . 11 (𝑖 = 𝑗 → ((((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) = ((𝑈𝑖)‘𝑡)) ↔ (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡))))
159154, 158, 98chvarfv 2233 . . . . . . . . . 10 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡))
160159breq1d 5084 . . . . . . . . 9 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → (((𝐹𝑡)‘𝑗) < 𝐸 ↔ ((𝑈𝑗)‘𝑡) < 𝐸))
161160biimprd 247 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → (((𝑈𝑗)‘𝑡) < 𝐸 → ((𝐹𝑡)‘𝑗) < 𝐸))
162161reximdva 3203 . . . . . . 7 ((𝜑𝑡𝐷) → (∃𝑗 ∈ (1...𝑀)((𝑈𝑗)‘𝑡) < 𝐸 → ∃𝑗 ∈ (1...𝑀)((𝐹𝑡)‘𝑗) < 𝐸))
163149, 162mpd 15 . . . . . 6 ((𝜑𝑡𝐷) → ∃𝑗 ∈ (1...𝑀)((𝐹𝑡)‘𝑗) < 𝐸)
16480, 82, 83, 84, 85, 68, 99, 102, 104, 163fmul01lt1 43127 . . . . 5 ((𝜑𝑡𝐷) → (seq1( · , (𝐹𝑡))‘𝑀) < 𝐸)
16574, 164eqbrtrd 5096 . . . 4 ((𝜑𝑡𝐷) → (𝑍𝑡) < 𝐸)
16632, 165eqbrtrd 5096 . . 3 ((𝜑𝑡𝐷) → (𝑋𝑡) < 𝐸)
167166ex 413 . 2 (𝜑 → (𝑡𝐷 → (𝑋𝑡) < 𝐸))
1681, 167ralrimi 3141 1 (𝜑 → ∀𝑡𝐷 (𝑋𝑡) < 𝐸)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 396  w3a 1086   = wceq 1539  wex 1782  wnf 1786  wcel 2106  wral 3064  wrex 3065  {crab 3068  Vcvv 3432  wss 3887   cuni 4839   class class class wbr 5074  cmpt 5157  ran crn 5590   Fn wfn 6428  wf 6429  cfv 6433  (class class class)co 7275  cmpo 7277  cr 10870  0cc0 10871  1c1 10872   · cmul 10876   < clt 11009  cle 11010  cn 11973  cuz 12582  +crp 12730  ...cfz 13239  seqcseq 13721
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 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588  ax-cnex 10927  ax-resscn 10928  ax-1cn 10929  ax-icn 10930  ax-addcl 10931  ax-addrcl 10932  ax-mulcl 10933  ax-mulrcl 10934  ax-mulcom 10935  ax-addass 10936  ax-mulass 10937  ax-distr 10938  ax-i2m1 10939  ax-1ne0 10940  ax-1rid 10941  ax-rnegex 10942  ax-rrecex 10943  ax-cnre 10944  ax-pre-lttri 10945  ax-pre-lttrn 10946  ax-pre-ltadd 10947  ax-pre-mulgt0 10948
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-nel 3050  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-pss 3906  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-tr 5192  df-id 5489  df-eprel 5495  df-po 5503  df-so 5504  df-fr 5544  df-we 5546  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-pred 6202  df-ord 6269  df-on 6270  df-lim 6271  df-suc 6272  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-om 7713  df-1st 7831  df-2nd 7832  df-frecs 8097  df-wrecs 8128  df-recs 8202  df-rdg 8241  df-er 8498  df-en 8734  df-dom 8735  df-sdom 8736  df-pnf 11011  df-mnf 11012  df-xr 11013  df-ltxr 11014  df-le 11015  df-sub 11207  df-neg 11208  df-nn 11974  df-n0 12234  df-z 12320  df-uz 12583  df-rp 12731  df-fz 13240  df-fzo 13383  df-seq 13722
This theorem is referenced by:  stoweidlem51  43592
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