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Theorem stoweidlem48 46839
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 3938 . . . . 5 ((𝜑𝑡𝐷) → 𝑡𝑇)
4 stoweidlem48.1 . . . . . 6 𝑖𝜑
5 stoweidlem48.3 . . . . . . 7 𝑌 = {𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)}
6 nfra1 3291 . . . . . . . 8 𝑡𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)
7 nfcv 2927 . . . . . . . 8 𝑡𝐴
86, 7nfrabw 3454 . . . . . . 7 𝑡{𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)}
95, 8nfcxfr 2925 . . . . . 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 2857 . . . . . . . . 9 (𝑓𝑌𝑓 ∈ {𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)})
18 fveq1 6884 . . . . . . . . . . . . 13 ( = 𝑓 → (𝑡) = (𝑓𝑡))
1918breq2d 5123 . . . . . . . . . . . 12 ( = 𝑓 → (0 ≤ (𝑡) ↔ 0 ≤ (𝑓𝑡)))
2018breq1d 5121 . . . . . . . . . . . 12 ( = 𝑓 → ((𝑡) ≤ 1 ↔ (𝑓𝑡) ≤ 1))
2119, 20anbi12d 644 . . . . . . . . . . 11 ( = 𝑓 → ((0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2221ralbidv 3190 . . . . . . . . . 10 ( = 𝑓 → (∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ ∀𝑡𝑇 (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2322elrab 3652 . . . . . . . . 9 (𝑓 ∈ {𝐴 ∣ ∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1)} ↔ (𝑓𝐴 ∧ ∀𝑡𝑇 (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2417, 23sylbb 222 . . . . . . . 8 (𝑓𝑌 → (𝑓𝐴 ∧ ∀𝑡𝑇 (0 ≤ (𝑓𝑡) ∧ (𝑓𝑡) ≤ 1)))
2524simpld 500 . . . . . . 7 (𝑓𝑌𝑓𝐴)
26 stoweidlem48.15 . . . . . . 7 ((𝜑𝑓𝐴) → 𝑓:𝑇⟶ℝ)
2725, 26sylan2 605 . . . . . 6 ((𝜑𝑓𝑌) → 𝑓:𝑇⟶ℝ)
28 eqid 2765 . . . . . . 7 (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) = (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡)))
29 stoweidlem48.16 . . . . . . 7 ((𝜑𝑓𝐴𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴)
301, 5, 28, 26, 29stoweidlem16 46807 . . . . . 6 ((𝜑𝑓𝑌𝑔𝑌) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝑌)
314, 9, 10, 11, 12, 13, 14, 15, 16, 27, 30fmuldfeq 46376 . . . . 5 ((𝜑𝑡𝑇) → (𝑋𝑡) = (𝑍𝑡))
323, 31syldan 603 . . . 4 ((𝜑𝑡𝐷) → (𝑋𝑡) = (𝑍𝑡))
33 elnnuz 12922 . . . . . . . . 9 (𝑀 ∈ ℕ ↔ 𝑀 ∈ (ℤ‘1))
3415, 33sylib 221 . . . . . . . 8 (𝜑𝑀 ∈ (ℤ‘1))
3534adantr 486 . . . . . . 7 ((𝜑𝑡𝐷) → 𝑀 ∈ (ℤ‘1))
36 nfv 1947 . . . . . . . . . . . 12 𝑖 𝑡𝑇
374, 36nfan 1932 . . . . . . . . . . 11 𝑖(𝜑𝑡𝑇)
3816ffvelcdmda 7083 . . . . . . . . . . . . . . . 16 ((𝜑𝑖 ∈ (1...𝑀)) → (𝑈𝑖) ∈ 𝑌)
39 fveq1 6884 . . . . . . . . . . . . . . . . . . . 20 ( = (𝑈𝑖) → (𝑡) = ((𝑈𝑖)‘𝑡))
4039breq2d 5123 . . . . . . . . . . . . . . . . . . 19 ( = (𝑈𝑖) → (0 ≤ (𝑡) ↔ 0 ≤ ((𝑈𝑖)‘𝑡)))
4139breq1d 5121 . . . . . . . . . . . . . . . . . . 19 ( = (𝑈𝑖) → ((𝑡) ≤ 1 ↔ ((𝑈𝑖)‘𝑡) ≤ 1))
4240, 41anbi12d 644 . . . . . . . . . . . . . . . . . 18 ( = (𝑈𝑖) → ((0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4342ralbidv 3190 . . . . . . . . . . . . . . . . 17 ( = (𝑈𝑖) → (∀𝑡𝑇 (0 ≤ (𝑡) ∧ (𝑡) ≤ 1) ↔ ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4443, 5elrab2 3656 . . . . . . . . . . . . . . . 16 ((𝑈𝑖) ∈ 𝑌 ↔ ((𝑈𝑖) ∈ 𝐴 ∧ ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4538, 44sylib 221 . . . . . . . . . . . . . . 15 ((𝜑𝑖 ∈ (1...𝑀)) → ((𝑈𝑖) ∈ 𝐴 ∧ ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1)))
4645simpld 500 . . . . . . . . . . . . . 14 ((𝜑𝑖 ∈ (1...𝑀)) → (𝑈𝑖) ∈ 𝐴)
47 simpl 488 . . . . . . . . . . . . . . 15 ((𝜑𝑖 ∈ (1...𝑀)) → 𝜑)
4847, 46jca 521 . . . . . . . . . . . . . 14 ((𝜑𝑖 ∈ (1...𝑀)) → (𝜑 ∧ (𝑈𝑖) ∈ 𝐴))
49 eleq1 2853 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑈𝑖) → (𝑓𝐴 ↔ (𝑈𝑖) ∈ 𝐴))
5049anbi2d 642 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑈𝑖) → ((𝜑𝑓𝐴) ↔ (𝜑 ∧ (𝑈𝑖) ∈ 𝐴)))
51 feq1 6687 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑈𝑖) → (𝑓:𝑇⟶ℝ ↔ (𝑈𝑖):𝑇⟶ℝ))
5250, 51imbi12d 347 . . . . . . . . . . . . . . 15 (𝑓 = (𝑈𝑖) → (((𝜑𝑓𝐴) → 𝑓:𝑇⟶ℝ) ↔ ((𝜑 ∧ (𝑈𝑖) ∈ 𝐴) → (𝑈𝑖):𝑇⟶ℝ)))
5352, 26vtoclg 3524 . . . . . . . . . . . . . 14 ((𝑈𝑖) ∈ 𝐴 → ((𝜑 ∧ (𝑈𝑖) ∈ 𝐴) → (𝑈𝑖):𝑇⟶ℝ))
5446, 48, 53sylc 66 . . . . . . . . . . . . 13 ((𝜑𝑖 ∈ (1...𝑀)) → (𝑈𝑖):𝑇⟶ℝ)
5554adantlr 728 . . . . . . . . . . . 12 (((𝜑𝑡𝑇) ∧ 𝑖 ∈ (1...𝑀)) → (𝑈𝑖):𝑇⟶ℝ)
56 simplr 781 . . . . . . . . . . . 12 (((𝜑𝑡𝑇) ∧ 𝑖 ∈ (1...𝑀)) → 𝑡𝑇)
5755, 56ffvelcdmd 7084 . . . . . . . . . . 11 (((𝜑𝑡𝑇) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑈𝑖)‘𝑡) ∈ ℝ)
58 eqid 2765 . . . . . . . . . . 11 (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) = (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))
5937, 57, 58fmptdf 7116 . . . . . . . . . 10 ((𝜑𝑡𝑇) → (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)):(1...𝑀)⟶ℝ)
60 simpr 490 . . . . . . . . . . . 12 ((𝜑𝑡𝑇) → 𝑡𝑇)
61 ovex 7452 . . . . . . . . . . . . 13 (1...𝑀) ∈ V
62 mptexg 7226 . . . . . . . . . . . . 13 ((1...𝑀) ∈ V → (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) ∈ V)
6361, 62mp1i 14 . . . . . . . . . . . 12 ((𝜑𝑡𝑇) → (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) ∈ V)
6412fvmpt2 7005 . . . . . . . . . . . 12 ((𝑡𝑇 ∧ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)) ∈ V) → (𝐹𝑡) = (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
6560, 63, 64syl2anc 596 . . . . . . . . . . 11 ((𝜑𝑡𝑇) → (𝐹𝑡) = (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
6665feq1d 6691 . . . . . . . . . 10 ((𝜑𝑡𝑇) → ((𝐹𝑡):(1...𝑀)⟶ℝ ↔ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)):(1...𝑀)⟶ℝ))
6759, 66mpbird 260 . . . . . . . . 9 ((𝜑𝑡𝑇) → (𝐹𝑡):(1...𝑀)⟶ℝ)
683, 67syldan 603 . . . . . . . 8 ((𝜑𝑡𝐷) → (𝐹𝑡):(1...𝑀)⟶ℝ)
6968ffvelcdmda 7083 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑘 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑘) ∈ ℝ)
70 remulcl 11204 . . . . . . . 8 ((𝑘 ∈ ℝ ∧ 𝑗 ∈ ℝ) → (𝑘 · 𝑗) ∈ ℝ)
7170adantl 487 . . . . . . 7 (((𝜑𝑡𝐷) ∧ (𝑘 ∈ ℝ ∧ 𝑗 ∈ ℝ)) → (𝑘 · 𝑗) ∈ ℝ)
7235, 69, 71seqcl 14080 . . . . . 6 ((𝜑𝑡𝐷) → (seq1( · , (𝐹𝑡))‘𝑀) ∈ ℝ)
7313fvmpt2 7005 . . . . . 6 ((𝑡𝑇 ∧ (seq1( · , (𝐹𝑡))‘𝑀) ∈ ℝ) → (𝑍𝑡) = (seq1( · , (𝐹𝑡))‘𝑀))
743, 72, 73syl2anc 596 . . . . 5 ((𝜑𝑡𝐷) → (𝑍𝑡) = (seq1( · , (𝐹𝑡))‘𝑀))
75 nfcv 2927 . . . . . . . . 9 𝑖𝑇
76 nfmpt1 5212 . . . . . . . . 9 𝑖(𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))
7775, 76nfmpt 5211 . . . . . . . 8 𝑖(𝑡𝑇 ↦ (𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡)))
7812, 77nfcxfr 2925 . . . . . . 7 𝑖𝐹
79 nfcv 2927 . . . . . . 7 𝑖𝑡
8078, 79nffv 6895 . . . . . 6 𝑖(𝐹𝑡)
81 nfv 1947 . . . . . . 7 𝑖 𝑡𝐷
824, 81nfan 1932 . . . . . 6 𝑖(𝜑𝑡𝐷)
83 nfcv 2927 . . . . . 6 𝑗seq1( · , (𝐹𝑡))
84 eqid 2765 . . . . . 6 seq1( · , (𝐹𝑡)) = seq1( · , (𝐹𝑡))
8515adantr 486 . . . . . 6 ((𝜑𝑡𝐷) → 𝑀 ∈ ℕ)
86 simpll 779 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 𝜑)
87 simpr 490 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 𝑖 ∈ (1...𝑀))
883adantr 486 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 𝑡𝑇)
8945simprd 501 . . . . . . . . . 10 ((𝜑𝑖 ∈ (1...𝑀)) → ∀𝑡𝑇 (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1))
9089r19.21bi 3259 . . . . . . . . 9 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡𝑇) → (0 ≤ ((𝑈𝑖)‘𝑡) ∧ ((𝑈𝑖)‘𝑡) ≤ 1))
9190simpld 500 . . . . . . . 8 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡𝑇) → 0 ≤ ((𝑈𝑖)‘𝑡))
9286, 87, 88, 91syl21anc 851 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 0 ≤ ((𝑈𝑖)‘𝑡))
9365fveq1d 6887 . . . . . . . . 9 ((𝜑𝑡𝑇) → ((𝐹𝑡)‘𝑖) = ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖))
9486, 88, 93syl2anc 596 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) = ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖))
9586, 88, 87, 57syl21anc 851 . . . . . . . . 9 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑈𝑖)‘𝑡) ∈ ℝ)
9658fvmpt2 7005 . . . . . . . . 9 ((𝑖 ∈ (1...𝑀) ∧ ((𝑈𝑖)‘𝑡) ∈ ℝ) → ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖) = ((𝑈𝑖)‘𝑡))
9787, 95, 96syl2anc 596 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑖 ∈ (1...𝑀) ↦ ((𝑈𝑖)‘𝑡))‘𝑖) = ((𝑈𝑖)‘𝑡))
9894, 97eqtrd 2800 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) = ((𝑈𝑖)‘𝑡))
9992, 98breqtrrd 5141 . . . . . 6 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → 0 ≤ ((𝐹𝑡)‘𝑖))
10090simprd 501 . . . . . . . 8 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡𝑇) → ((𝑈𝑖)‘𝑡) ≤ 1)
10186, 87, 88, 100syl21anc 851 . . . . . . 7 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝑈𝑖)‘𝑡) ≤ 1)
10298, 101eqbrtrd 5135 . . . . . 6 (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) ≤ 1)
103 stoweidlem48.17 . . . . . . 7 (𝜑𝐸 ∈ ℝ+)
104103adantr 486 . . . . . 6 ((𝜑𝑡𝐷) → 𝐸 ∈ ℝ+)
105 stoweidlem48.11 . . . . . . . . . . 11 (𝜑𝐷 ran 𝑊)
106105sselda 3938 . . . . . . . . . 10 ((𝜑𝑡𝐷) → 𝑡 ran 𝑊)
107 eluni 4877 . . . . . . . . . 10 (𝑡 ran 𝑊 ↔ ∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊))
108106, 107sylib 221 . . . . . . . . 9 ((𝜑𝑡𝐷) → ∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊))
109 stoweidlem48.9 . . . . . . . . . . . . . . . 16 (𝜑𝑊:(1...𝑀)⟶𝑉)
110 ffn 6709 . . . . . . . . . . . . . . . 16 (𝑊:(1...𝑀)⟶𝑉𝑊 Fn (1...𝑀))
111 fvelrnb 6945 . . . . . . . . . . . . . . . 16 (𝑊 Fn (1...𝑀) → (𝑤 ∈ ran 𝑊 ↔ ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤))
112109, 110, 1113syl 19 . . . . . . . . . . . . . . 15 (𝜑 → (𝑤 ∈ ran 𝑊 ↔ ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤))
113112biimpa 482 . . . . . . . . . . . . . 14 ((𝜑𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤)
114113adantrl 729 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑡𝑤𝑤 ∈ ran 𝑊)) → ∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤)
115 simplr 781 . . . . . . . . . . . . . . . . 17 (((𝜑𝑡𝑤) ∧ (𝑊𝑗) = 𝑤) → 𝑡𝑤)
116 simpr 490 . . . . . . . . . . . . . . . . 17 (((𝜑𝑡𝑤) ∧ (𝑊𝑗) = 𝑤) → (𝑊𝑗) = 𝑤)
117115, 116eleqtrrd 2868 . . . . . . . . . . . . . . . 16 (((𝜑𝑡𝑤) ∧ (𝑊𝑗) = 𝑤) → 𝑡 ∈ (𝑊𝑗))
118117ex 418 . . . . . . . . . . . . . . 15 ((𝜑𝑡𝑤) → ((𝑊𝑗) = 𝑤𝑡 ∈ (𝑊𝑗)))
119118reximdv 3182 . . . . . . . . . . . . . 14 ((𝜑𝑡𝑤) → (∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤 → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
120119adantrr 730 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑡𝑤𝑤 ∈ ran 𝑊)) → (∃𝑗 ∈ (1...𝑀)(𝑊𝑗) = 𝑤 → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
121114, 120mpd 16 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝑤𝑤 ∈ ran 𝑊)) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗))
122121ex 418 . . . . . . . . . . 11 (𝜑 → ((𝑡𝑤𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
123122exlimdv 1966 . . . . . . . . . 10 (𝜑 → (∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
124123adantr 486 . . . . . . . . 9 ((𝜑𝑡𝐷) → (∃𝑤(𝑡𝑤𝑤 ∈ ran 𝑊) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗)))
125108, 124mpd 16 . . . . . . . 8 ((𝜑𝑡𝐷) → ∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗))
126 simplll 787 . . . . . . . . . . 11 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → 𝜑)
127 simplr 781 . . . . . . . . . . 11 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → 𝑗 ∈ (1...𝑀))
128 simpr 490 . . . . . . . . . . 11 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → 𝑡 ∈ (𝑊𝑗))
129 nfv 1947 . . . . . . . . . . . . . 14 𝑖 𝑗 ∈ (1...𝑀)
130 nfv 1947 . . . . . . . . . . . . . 14 𝑖 𝑡 ∈ (𝑊𝑗)
1314, 129, 130nf3an 1934 . . . . . . . . . . . . 13 𝑖(𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗))
132 nfv 1947 . . . . . . . . . . . . 13 𝑖((𝑈𝑗)‘𝑡) < 𝐸
133131, 132nfim 1929 . . . . . . . . . . . 12 𝑖((𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗)) → ((𝑈𝑗)‘𝑡) < 𝐸)
134 eleq1 2853 . . . . . . . . . . . . . 14 (𝑖 = 𝑗 → (𝑖 ∈ (1...𝑀) ↔ 𝑗 ∈ (1...𝑀)))
135 fveq2 6885 . . . . . . . . . . . . . . 15 (𝑖 = 𝑗 → (𝑊𝑖) = (𝑊𝑗))
136135eleq2d 2851 . . . . . . . . . . . . . 14 (𝑖 = 𝑗 → (𝑡 ∈ (𝑊𝑖) ↔ 𝑡 ∈ (𝑊𝑗)))
137134, 1363anbi23d 1467 . . . . . . . . . . . . 13 (𝑖 = 𝑗 → ((𝜑𝑖 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑖)) ↔ (𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗))))
138 fveq2 6885 . . . . . . . . . . . . . . 15 (𝑖 = 𝑗 → (𝑈𝑖) = (𝑈𝑗))
139138fveq1d 6887 . . . . . . . . . . . . . 14 (𝑖 = 𝑗 → ((𝑈𝑖)‘𝑡) = ((𝑈𝑗)‘𝑡))
140139breq1d 5121 . . . . . . . . . . . . 13 (𝑖 = 𝑗 → (((𝑈𝑖)‘𝑡) < 𝐸 ↔ ((𝑈𝑗)‘𝑡) < 𝐸))
141137, 140imbi12d 347 . . . . . . . . . . . 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 3259 . . . . . . . . . . . . 13 (((𝜑𝑖 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑖)) → ((𝑈𝑖)‘𝑡) < 𝐸)
1441433impa 1127 . . . . . . . . . . . 12 ((𝜑𝑖 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑖)) → ((𝑈𝑖)‘𝑡) < 𝐸)
145133, 141, 144chvarfv 2279 . . . . . . . . . . 11 ((𝜑𝑗 ∈ (1...𝑀) ∧ 𝑡 ∈ (𝑊𝑗)) → ((𝑈𝑗)‘𝑡) < 𝐸)
146126, 127, 128, 145syl3anc 1398 . . . . . . . . . 10 ((((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑡 ∈ (𝑊𝑗)) → ((𝑈𝑗)‘𝑡) < 𝐸)
147146ex 418 . . . . . . . . 9 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → (𝑡 ∈ (𝑊𝑗) → ((𝑈𝑗)‘𝑡) < 𝐸))
148147reximdva 3180 . . . . . . . 8 ((𝜑𝑡𝐷) → (∃𝑗 ∈ (1...𝑀)𝑡 ∈ (𝑊𝑗) → ∃𝑗 ∈ (1...𝑀)((𝑈𝑗)‘𝑡) < 𝐸))
149125, 148mpd 16 . . . . . . 7 ((𝜑𝑡𝐷) → ∃𝑗 ∈ (1...𝑀)((𝑈𝑗)‘𝑡) < 𝐸)
15082, 129nfan 1932 . . . . . . . . . . . 12 𝑖((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀))
151 nfcv 2927 . . . . . . . . . . . . . 14 𝑖𝑗
15280, 151nffv 6895 . . . . . . . . . . . . 13 𝑖((𝐹𝑡)‘𝑗)
153152nfeq1 2942 . . . . . . . . . . . 12 𝑖((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡)
154150, 153nfim 1929 . . . . . . . . . . 11 𝑖(((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡))
155134anbi2d 642 . . . . . . . . . . . 12 (𝑖 = 𝑗 → (((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) ↔ ((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀))))
156 fveq2 6885 . . . . . . . . . . . . 13 (𝑖 = 𝑗 → ((𝐹𝑡)‘𝑖) = ((𝐹𝑡)‘𝑗))
157156, 139eqeq12d 2781 . . . . . . . . . . . 12 (𝑖 = 𝑗 → (((𝐹𝑡)‘𝑖) = ((𝑈𝑖)‘𝑡) ↔ ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡)))
158155, 157imbi12d 347 . . . . . . . . . . 11 (𝑖 = 𝑗 → ((((𝜑𝑡𝐷) ∧ 𝑖 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑖) = ((𝑈𝑖)‘𝑡)) ↔ (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡))))
159154, 158, 98chvarfv 2279 . . . . . . . . . 10 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → ((𝐹𝑡)‘𝑗) = ((𝑈𝑗)‘𝑡))
160159breq1d 5121 . . . . . . . . 9 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → (((𝐹𝑡)‘𝑗) < 𝐸 ↔ ((𝑈𝑗)‘𝑡) < 𝐸))
161160biimprd 251 . . . . . . . 8 (((𝜑𝑡𝐷) ∧ 𝑗 ∈ (1...𝑀)) → (((𝑈𝑗)‘𝑡) < 𝐸 → ((𝐹𝑡)‘𝑗) < 𝐸))
162161reximdva 3180 . . . . . . 7 ((𝜑𝑡𝐷) → (∃𝑗 ∈ (1...𝑀)((𝑈𝑗)‘𝑡) < 𝐸 → ∃𝑗 ∈ (1...𝑀)((𝐹𝑡)‘𝑗) < 𝐸))
163149, 162mpd 16 . . . . . 6 ((𝜑𝑡𝐷) → ∃𝑗 ∈ (1...𝑀)((𝐹𝑡)‘𝑗) < 𝐸)
16480, 82, 83, 84, 85, 68, 99, 102, 104, 163fmul01lt1 46379 . . . . 5 ((𝜑𝑡𝐷) → (seq1( · , (𝐹𝑡))‘𝑀) < 𝐸)
16574, 164eqbrtrd 5135 . . . 4 ((𝜑𝑡𝐷) → (𝑍𝑡) < 𝐸)
16632, 165eqbrtrd 5135 . . 3 ((𝜑𝑡𝐷) → (𝑋𝑡) < 𝐸)
167166ex 418 . 2 (𝜑 → (𝑡𝐷 → (𝑋𝑡) < 𝐸))
1681, 167ralrimi 3265 1 (𝜑 → ∀𝑡𝐷 (𝑋𝑡) < 𝐸)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wb 209  wa 401  w3a 1103   = wceq 1570  wex 1812  wnf 1816  wcel 2146  wral 3081  wrex 3091  {crab 3418  Vcvv 3457  wss 3906   cuni 4874   class class class wbr 5111  cmpt 5194  ran crn 5664   Fn wfn 6535  wf 6536  cfv 6540  (class class class)co 7419  cmpo 7421  cr 11118  0cc0 11119  1c1 11120   · cmul 11124   < clt 11262  cle 11263  cn 12252  cuz 12882  +crp 13036  ...cfz 13555  seqcseq 14059
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 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2737  ax-rep 5240  ax-sep 5259  ax-nul 5271  ax-pow 5338  ax-pr 5406  ax-un 7742  ax-cnex 11175  ax-resscn 11176  ax-1cn 11177  ax-icn 11178  ax-addcl 11179  ax-addrcl 11180  ax-mulcl 11181  ax-mulrcl 11182  ax-mulcom 11183  ax-addass 11184  ax-mulass 11185  ax-distr 11186  ax-i2m1 11187  ax-1ne0 11188  ax-1rid 11189  ax-rnegex 11190  ax-rrecex 11191  ax-cnre 11192  ax-pre-lttri 11193  ax-pre-lttrn 11194  ax-pre-ltadd 11195  ax-pre-mulgt0 11196
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 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-nel 3067  df-ral 3082  df-rex 3092  df-reu 3372  df-rab 3419  df-v 3459  df-sbc 3747  df-csb 3855  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-pss 3926  df-nul 4287  df-if 4490  df-pw 4566  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-iun 4960  df-br 5112  df-opab 5176  df-mpt 5195  df-tr 5221  df-id 5558  df-eprel 5563  df-po 5571  df-so 5572  df-fr 5616  df-we 5618  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-res 5675  df-ima 5676  df-pred 6306  df-ord 6367  df-on 6368  df-lim 6369  df-suc 6370  df-iota 6496  df-fun 6542  df-fn 6543  df-f 6544  df-f1 6545  df-fo 6546  df-f1o 6547  df-fv 6548  df-riota 7376  df-ov 7422  df-oprab 7423  df-mpo 7424  df-om 7869  df-1st 7992  df-2nd 7993  df-frecs 8284  df-wrecs 8315  df-recs 8364  df-rdg 8403  df-er 8700  df-en 8950  df-dom 8951  df-sdom 8952  df-pnf 11264  df-mnf 11265  df-xr 11266  df-ltxr 11267  df-le 11268  df-sub 11462  df-neg 11463  df-nn 12253  df-n0 12524  df-z 12611  df-uz 12883  df-rp 13037  df-fz 13556  df-fzo 13704  df-seq 14060
This theorem is used by:  stoweidlem51  46842
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