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Theorem stoweidlem17 45938
Description: This lemma proves that the function 𝑔 (as defined in [BrosowskiDeutsh] p. 91, at the end of page 91) belongs to the subalgebra. (Contributed by Glauco Siliprandi, 20-Apr-2017.)
Hypotheses
Ref Expression
stoweidlem17.1 𝑡𝜑
stoweidlem17.2 (𝜑𝑁 ∈ ℕ)
stoweidlem17.3 (𝜑𝑋:(0...𝑁)⟶𝐴)
stoweidlem17.4 ((𝜑𝑓𝐴𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) + (𝑔𝑡))) ∈ 𝐴)
stoweidlem17.5 ((𝜑𝑓𝐴𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴)
stoweidlem17.6 ((𝜑𝑥 ∈ ℝ) → (𝑡𝑇𝑥) ∈ 𝐴)
stoweidlem17.7 (𝜑𝐸 ∈ ℝ)
stoweidlem17.8 ((𝜑𝑓𝐴) → 𝑓:𝑇⟶ℝ)
Assertion
Ref Expression
stoweidlem17 (𝜑 → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑁)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)
Distinct variable groups:   𝑓,𝑔,𝑖,𝑡,𝐸   𝐴,𝑓,𝑔   𝑇,𝑓,𝑔,𝑖,𝑡   𝑓,𝑋,𝑔,𝑖,𝑡   𝜑,𝑓,𝑔,𝑖   𝑖,𝑁,𝑡   𝑥,𝑡,𝐸   𝑥,𝐴   𝑥,𝑇   𝜑,𝑥
Allowed substitution hints:   𝜑(𝑡)   𝐴(𝑡,𝑖)   𝑁(𝑥,𝑓,𝑔)   𝑋(𝑥)

Proof of Theorem stoweidlem17
Dummy variables 𝑚 𝑟 𝑛 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 stoweidlem17.2 . . 3 (𝜑𝑁 ∈ ℕ)
21nnnn0d 12613 . 2 (𝜑𝑁 ∈ ℕ0)
3 nn0uz 12945 . . . . 5 0 = (ℤ‘0)
42, 3eleqtrdi 2854 . . . 4 (𝜑𝑁 ∈ (ℤ‘0))
5 eluzfz2 13592 . . . 4 (𝑁 ∈ (ℤ‘0) → 𝑁 ∈ (0...𝑁))
64, 5syl 17 . . 3 (𝜑𝑁 ∈ (0...𝑁))
76ancli 548 . 2 (𝜑 → (𝜑𝑁 ∈ (0...𝑁)))
8 eleq1 2832 . . . . 5 (𝑛 = 0 → (𝑛 ∈ (0...𝑁) ↔ 0 ∈ (0...𝑁)))
98anbi2d 629 . . . 4 (𝑛 = 0 → ((𝜑𝑛 ∈ (0...𝑁)) ↔ (𝜑 ∧ 0 ∈ (0...𝑁))))
10 oveq2 7456 . . . . . . 7 (𝑛 = 0 → (0...𝑛) = (0...0))
1110sumeq1d 15748 . . . . . 6 (𝑛 = 0 → Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡)) = Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡)))
1211mpteq2dv 5268 . . . . 5 (𝑛 = 0 → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡))))
1312eleq1d 2829 . . . 4 (𝑛 = 0 → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴))
149, 13imbi12d 344 . . 3 (𝑛 = 0 → (((𝜑𝑛 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) ↔ ((𝜑 ∧ 0 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)))
15 eleq1 2832 . . . . 5 (𝑛 = 𝑚 → (𝑛 ∈ (0...𝑁) ↔ 𝑚 ∈ (0...𝑁)))
1615anbi2d 629 . . . 4 (𝑛 = 𝑚 → ((𝜑𝑛 ∈ (0...𝑁)) ↔ (𝜑𝑚 ∈ (0...𝑁))))
17 oveq2 7456 . . . . . . 7 (𝑛 = 𝑚 → (0...𝑛) = (0...𝑚))
1817sumeq1d 15748 . . . . . 6 (𝑛 = 𝑚 → Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡)) = Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))
1918mpteq2dv 5268 . . . . 5 (𝑛 = 𝑚 → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))))
2019eleq1d 2829 . . . 4 (𝑛 = 𝑚 → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴))
2116, 20imbi12d 344 . . 3 (𝑛 = 𝑚 → (((𝜑𝑛 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) ↔ ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)))
22 eleq1 2832 . . . . 5 (𝑛 = (𝑚 + 1) → (𝑛 ∈ (0...𝑁) ↔ (𝑚 + 1) ∈ (0...𝑁)))
2322anbi2d 629 . . . 4 (𝑛 = (𝑚 + 1) → ((𝜑𝑛 ∈ (0...𝑁)) ↔ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))))
24 oveq2 7456 . . . . . . 7 (𝑛 = (𝑚 + 1) → (0...𝑛) = (0...(𝑚 + 1)))
2524sumeq1d 15748 . . . . . 6 (𝑛 = (𝑚 + 1) → Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡)) = Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡)))
2625mpteq2dv 5268 . . . . 5 (𝑛 = (𝑚 + 1) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))))
2726eleq1d 2829 . . . 4 (𝑛 = (𝑚 + 1) → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴))
2823, 27imbi12d 344 . . 3 (𝑛 = (𝑚 + 1) → (((𝜑𝑛 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) ↔ ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)))
29 eleq1 2832 . . . . 5 (𝑛 = 𝑁 → (𝑛 ∈ (0...𝑁) ↔ 𝑁 ∈ (0...𝑁)))
3029anbi2d 629 . . . 4 (𝑛 = 𝑁 → ((𝜑𝑛 ∈ (0...𝑁)) ↔ (𝜑𝑁 ∈ (0...𝑁))))
31 oveq2 7456 . . . . . . 7 (𝑛 = 𝑁 → (0...𝑛) = (0...𝑁))
3231sumeq1d 15748 . . . . . 6 (𝑛 = 𝑁 → Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡)) = Σ𝑖 ∈ (0...𝑁)(𝐸 · ((𝑋𝑖)‘𝑡)))
3332mpteq2dv 5268 . . . . 5 (𝑛 = 𝑁 → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑁)(𝐸 · ((𝑋𝑖)‘𝑡))))
3433eleq1d 2829 . . . 4 (𝑛 = 𝑁 → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑁)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴))
3530, 34imbi12d 344 . . 3 (𝑛 = 𝑁 → (((𝜑𝑛 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑛)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) ↔ ((𝜑𝑁 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑁)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)))
36 0z 12650 . . . . . . . . 9 0 ∈ ℤ
37 fzsn 13626 . . . . . . . . 9 (0 ∈ ℤ → (0...0) = {0})
3836, 37ax-mp 5 . . . . . . . 8 (0...0) = {0}
3938sumeq1i 15745 . . . . . . 7 Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡)) = Σ𝑖 ∈ {0} (𝐸 · ((𝑋𝑖)‘𝑡))
4039mpteq2i 5271 . . . . . 6 (𝑡𝑇 ↦ Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ Σ𝑖 ∈ {0} (𝐸 · ((𝑋𝑖)‘𝑡)))
41 stoweidlem17.1 . . . . . . 7 𝑡𝜑
42 stoweidlem17.7 . . . . . . . . . . 11 (𝜑𝐸 ∈ ℝ)
4342adantr 480 . . . . . . . . . 10 ((𝜑𝑡𝑇) → 𝐸 ∈ ℝ)
4443recnd 11318 . . . . . . . . 9 ((𝜑𝑡𝑇) → 𝐸 ∈ ℂ)
45 stoweidlem17.3 . . . . . . . . . . . . 13 (𝜑𝑋:(0...𝑁)⟶𝐴)
46 nnz 12660 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ ℕ → 𝑁 ∈ ℤ)
47 nngt0 12324 . . . . . . . . . . . . . . . . . 18 (𝑁 ∈ ℕ → 0 < 𝑁)
48 0re 11292 . . . . . . . . . . . . . . . . . . 19 0 ∈ ℝ
49 nnre 12300 . . . . . . . . . . . . . . . . . . 19 (𝑁 ∈ ℕ → 𝑁 ∈ ℝ)
50 ltle 11378 . . . . . . . . . . . . . . . . . . 19 ((0 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (0 < 𝑁 → 0 ≤ 𝑁))
5148, 49, 50sylancr 586 . . . . . . . . . . . . . . . . . 18 (𝑁 ∈ ℕ → (0 < 𝑁 → 0 ≤ 𝑁))
5247, 51mpd 15 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ ℕ → 0 ≤ 𝑁)
5346, 52jca 511 . . . . . . . . . . . . . . . 16 (𝑁 ∈ ℕ → (𝑁 ∈ ℤ ∧ 0 ≤ 𝑁))
541, 53syl 17 . . . . . . . . . . . . . . 15 (𝜑 → (𝑁 ∈ ℤ ∧ 0 ≤ 𝑁))
5536eluz1i 12911 . . . . . . . . . . . . . . 15 (𝑁 ∈ (ℤ‘0) ↔ (𝑁 ∈ ℤ ∧ 0 ≤ 𝑁))
5654, 55sylibr 234 . . . . . . . . . . . . . 14 (𝜑𝑁 ∈ (ℤ‘0))
57 eluzfz1 13591 . . . . . . . . . . . . . 14 (𝑁 ∈ (ℤ‘0) → 0 ∈ (0...𝑁))
5856, 57syl 17 . . . . . . . . . . . . 13 (𝜑 → 0 ∈ (0...𝑁))
5945, 58ffvelcdmd 7119 . . . . . . . . . . . 12 (𝜑 → (𝑋‘0) ∈ 𝐴)
60 feq1 6728 . . . . . . . . . . . . . 14 (𝑓 = (𝑋‘0) → (𝑓:𝑇⟶ℝ ↔ (𝑋‘0):𝑇⟶ℝ))
6160imbi2d 340 . . . . . . . . . . . . 13 (𝑓 = (𝑋‘0) → ((𝜑𝑓:𝑇⟶ℝ) ↔ (𝜑 → (𝑋‘0):𝑇⟶ℝ)))
62 stoweidlem17.8 . . . . . . . . . . . . . 14 ((𝜑𝑓𝐴) → 𝑓:𝑇⟶ℝ)
6362expcom 413 . . . . . . . . . . . . 13 (𝑓𝐴 → (𝜑𝑓:𝑇⟶ℝ))
6461, 63vtoclga 3589 . . . . . . . . . . . 12 ((𝑋‘0) ∈ 𝐴 → (𝜑 → (𝑋‘0):𝑇⟶ℝ))
6559, 64mpcom 38 . . . . . . . . . . 11 (𝜑 → (𝑋‘0):𝑇⟶ℝ)
6665ffvelcdmda 7118 . . . . . . . . . 10 ((𝜑𝑡𝑇) → ((𝑋‘0)‘𝑡) ∈ ℝ)
6766recnd 11318 . . . . . . . . 9 ((𝜑𝑡𝑇) → ((𝑋‘0)‘𝑡) ∈ ℂ)
6844, 67mulcld 11310 . . . . . . . 8 ((𝜑𝑡𝑇) → (𝐸 · ((𝑋‘0)‘𝑡)) ∈ ℂ)
69 fveq2 6920 . . . . . . . . . . 11 (𝑖 = 0 → (𝑋𝑖) = (𝑋‘0))
7069fveq1d 6922 . . . . . . . . . 10 (𝑖 = 0 → ((𝑋𝑖)‘𝑡) = ((𝑋‘0)‘𝑡))
7170oveq2d 7464 . . . . . . . . 9 (𝑖 = 0 → (𝐸 · ((𝑋𝑖)‘𝑡)) = (𝐸 · ((𝑋‘0)‘𝑡)))
7271sumsn 15794 . . . . . . . 8 ((0 ∈ ℤ ∧ (𝐸 · ((𝑋‘0)‘𝑡)) ∈ ℂ) → Σ𝑖 ∈ {0} (𝐸 · ((𝑋𝑖)‘𝑡)) = (𝐸 · ((𝑋‘0)‘𝑡)))
7336, 68, 72sylancr 586 . . . . . . 7 ((𝜑𝑡𝑇) → Σ𝑖 ∈ {0} (𝐸 · ((𝑋𝑖)‘𝑡)) = (𝐸 · ((𝑋‘0)‘𝑡)))
7441, 73mpteq2da 5264 . . . . . 6 (𝜑 → (𝑡𝑇 ↦ Σ𝑖 ∈ {0} (𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ (𝐸 · ((𝑋‘0)‘𝑡))))
7540, 74eqtrid 2792 . . . . 5 (𝜑 → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ (𝐸 · ((𝑋‘0)‘𝑡))))
76 stoweidlem17.5 . . . . . 6 ((𝜑𝑓𝐴𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴)
77 stoweidlem17.6 . . . . . 6 ((𝜑𝑥 ∈ ℝ) → (𝑡𝑇𝑥) ∈ 𝐴)
7841, 76, 77, 62, 42, 59stoweidlem2 45923 . . . . 5 (𝜑 → (𝑡𝑇 ↦ (𝐸 · ((𝑋‘0)‘𝑡))) ∈ 𝐴)
7975, 78eqeltrd 2844 . . . 4 (𝜑 → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)
8079adantr 480 . . 3 ((𝜑 ∧ 0 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...0)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)
81 eqidd 2741 . . . . . . . . . . . . . . 15 (𝑟 = 𝑡𝐸 = 𝐸)
8281cbvmptv 5279 . . . . . . . . . . . . . 14 (𝑟𝑇𝐸) = (𝑡𝑇𝐸)
8382eqcomi 2749 . . . . . . . . . . . . 13 (𝑡𝑇𝐸) = (𝑟𝑇𝐸)
84 simpr 484 . . . . . . . . . . . . 13 ((𝜑𝑡𝑇) → 𝑡𝑇)
8583, 81, 84, 43fvmptd3 7052 . . . . . . . . . . . 12 ((𝜑𝑡𝑇) → ((𝑡𝑇𝐸)‘𝑡) = 𝐸)
8685oveq1d 7463 . . . . . . . . . . 11 ((𝜑𝑡𝑇) → (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡)) = (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))
8741, 86mpteq2da 5264 . . . . . . . . . 10 (𝜑 → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))) = (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))))
8887adantr 480 . . . . . . . . 9 ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))) = (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))))
8945ffvelcdmda 7118 . . . . . . . . . 10 ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑋‘(𝑚 + 1)) ∈ 𝐴)
90 simpl 482 . . . . . . . . . 10 ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → 𝜑)
91 id 22 . . . . . . . . . . . . . . . 16 (𝑥 = 𝐸𝑥 = 𝐸)
9291mpteq2dv 5268 . . . . . . . . . . . . . . 15 (𝑥 = 𝐸 → (𝑡𝑇𝑥) = (𝑡𝑇𝐸))
9392eleq1d 2829 . . . . . . . . . . . . . 14 (𝑥 = 𝐸 → ((𝑡𝑇𝑥) ∈ 𝐴 ↔ (𝑡𝑇𝐸) ∈ 𝐴))
9493imbi2d 340 . . . . . . . . . . . . 13 (𝑥 = 𝐸 → ((𝜑 → (𝑡𝑇𝑥) ∈ 𝐴) ↔ (𝜑 → (𝑡𝑇𝐸) ∈ 𝐴)))
9577expcom 413 . . . . . . . . . . . . 13 (𝑥 ∈ ℝ → (𝜑 → (𝑡𝑇𝑥) ∈ 𝐴))
9694, 95vtoclga 3589 . . . . . . . . . . . 12 (𝐸 ∈ ℝ → (𝜑 → (𝑡𝑇𝐸) ∈ 𝐴))
9742, 96mpcom 38 . . . . . . . . . . 11 (𝜑 → (𝑡𝑇𝐸) ∈ 𝐴)
9897adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇𝐸) ∈ 𝐴)
99 fveq1 6919 . . . . . . . . . . . . . . . 16 (𝑔 = (𝑋‘(𝑚 + 1)) → (𝑔𝑡) = ((𝑋‘(𝑚 + 1))‘𝑡))
10099oveq2d 7464 . . . . . . . . . . . . . . 15 (𝑔 = (𝑋‘(𝑚 + 1)) → (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡)) = (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡)))
101100mpteq2dv 5268 . . . . . . . . . . . . . 14 (𝑔 = (𝑋‘(𝑚 + 1)) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) = (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))))
102101eleq1d 2829 . . . . . . . . . . . . 13 (𝑔 = (𝑋‘(𝑚 + 1)) → ((𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴))
103102imbi2d 340 . . . . . . . . . . . 12 (𝑔 = (𝑋‘(𝑚 + 1)) → (((𝜑 ∧ (𝑡𝑇𝐸) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴) ↔ ((𝜑 ∧ (𝑡𝑇𝐸) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴)))
10482eleq1i 2835 . . . . . . . . . . . . . . . 16 ((𝑟𝑇𝐸) ∈ 𝐴 ↔ (𝑡𝑇𝐸) ∈ 𝐴)
105 fveq1 6919 . . . . . . . . . . . . . . . . . . . . . 22 (𝑓 = (𝑟𝑇𝐸) → (𝑓𝑡) = ((𝑟𝑇𝐸)‘𝑡))
10682fveq1i 6921 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑟𝑇𝐸)‘𝑡) = ((𝑡𝑇𝐸)‘𝑡)
107105, 106eqtrdi 2796 . . . . . . . . . . . . . . . . . . . . 21 (𝑓 = (𝑟𝑇𝐸) → (𝑓𝑡) = ((𝑡𝑇𝐸)‘𝑡))
108107oveq1d 7463 . . . . . . . . . . . . . . . . . . . 20 (𝑓 = (𝑟𝑇𝐸) → ((𝑓𝑡) · (𝑔𝑡)) = (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡)))
109108mpteq2dv 5268 . . . . . . . . . . . . . . . . . . 19 (𝑓 = (𝑟𝑇𝐸) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) = (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))))
110109eleq1d 2829 . . . . . . . . . . . . . . . . . 18 (𝑓 = (𝑟𝑇𝐸) → ((𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴))
111110imbi2d 340 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑟𝑇𝐸) → (((𝜑𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴) ↔ ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴)))
112763com12 1123 . . . . . . . . . . . . . . . . . 18 ((𝑓𝐴𝜑𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴)
1131123expib 1122 . . . . . . . . . . . . . . . . 17 (𝑓𝐴 → ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) · (𝑔𝑡))) ∈ 𝐴))
114111, 113vtoclga 3589 . . . . . . . . . . . . . . . 16 ((𝑟𝑇𝐸) ∈ 𝐴 → ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴))
115104, 114sylbir 235 . . . . . . . . . . . . . . 15 ((𝑡𝑇𝐸) ∈ 𝐴 → ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴))
1161153impib 1116 . . . . . . . . . . . . . 14 (((𝑡𝑇𝐸) ∈ 𝐴𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴)
1171163com13 1124 . . . . . . . . . . . . 13 ((𝑔𝐴𝜑 ∧ (𝑡𝑇𝐸) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴)
1181173expib 1122 . . . . . . . . . . . 12 (𝑔𝐴 → ((𝜑 ∧ (𝑡𝑇𝐸) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · (𝑔𝑡))) ∈ 𝐴))
119103, 118vtoclga 3589 . . . . . . . . . . 11 ((𝑋‘(𝑚 + 1)) ∈ 𝐴 → ((𝜑 ∧ (𝑡𝑇𝐸) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴))
1201193impib 1116 . . . . . . . . . 10 (((𝑋‘(𝑚 + 1)) ∈ 𝐴𝜑 ∧ (𝑡𝑇𝐸) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴)
12189, 90, 98, 120syl3anc 1371 . . . . . . . . 9 ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇 ↦ (((𝑡𝑇𝐸)‘𝑡) · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴)
12288, 121eqeltrrd 2845 . . . . . . . 8 ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴)
123122ad2antll 728 . . . . . . 7 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴)
124 simprrl 780 . . . . . . 7 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → 𝜑)
125 simpl 482 . . . . . . . . . 10 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑚 ∈ ℕ0)
126 simprl 770 . . . . . . . . . 10 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝜑)
1271ad2antrl 727 . . . . . . . . . . . 12 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑁 ∈ ℕ)
128127nnnn0d 12613 . . . . . . . . . . 11 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑁 ∈ ℕ0)
129 nn0re 12562 . . . . . . . . . . . . 13 (𝑚 ∈ ℕ0𝑚 ∈ ℝ)
130129adantr 480 . . . . . . . . . . . 12 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑚 ∈ ℝ)
131 peano2nn0 12593 . . . . . . . . . . . . . 14 (𝑚 ∈ ℕ0 → (𝑚 + 1) ∈ ℕ0)
132131nn0red 12614 . . . . . . . . . . . . 13 (𝑚 ∈ ℕ0 → (𝑚 + 1) ∈ ℝ)
133132adantr 480 . . . . . . . . . . . 12 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → (𝑚 + 1) ∈ ℝ)
1341nnred 12308 . . . . . . . . . . . . 13 (𝜑𝑁 ∈ ℝ)
135134ad2antrl 727 . . . . . . . . . . . 12 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑁 ∈ ℝ)
136 lep1 12135 . . . . . . . . . . . . 13 (𝑚 ∈ ℝ → 𝑚 ≤ (𝑚 + 1))
137125, 129, 1363syl 18 . . . . . . . . . . . 12 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑚 ≤ (𝑚 + 1))
138 elfzle2 13588 . . . . . . . . . . . . 13 ((𝑚 + 1) ∈ (0...𝑁) → (𝑚 + 1) ≤ 𝑁)
139138ad2antll 728 . . . . . . . . . . . 12 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → (𝑚 + 1) ≤ 𝑁)
140130, 133, 135, 137, 139letrd 11447 . . . . . . . . . . 11 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑚𝑁)
141 elfz2nn0 13675 . . . . . . . . . . 11 (𝑚 ∈ (0...𝑁) ↔ (𝑚 ∈ ℕ0𝑁 ∈ ℕ0𝑚𝑁))
142125, 128, 140, 141syl3anbrc 1343 . . . . . . . . . 10 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → 𝑚 ∈ (0...𝑁))
143125, 126, 142jca32 515 . . . . . . . . 9 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → (𝑚 ∈ ℕ0 ∧ (𝜑𝑚 ∈ (0...𝑁))))
144143adantl 481 . . . . . . . 8 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → (𝑚 ∈ ℕ0 ∧ (𝜑𝑚 ∈ (0...𝑁))))
145 pm3.31 449 . . . . . . . . 9 ((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) → ((𝑚 ∈ ℕ0 ∧ (𝜑𝑚 ∈ (0...𝑁))) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴))
146145adantr 480 . . . . . . . 8 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → ((𝑚 ∈ ℕ0 ∧ (𝜑𝑚 ∈ (0...𝑁))) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴))
147144, 146mpd 15 . . . . . . 7 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)
148 fveq2 6920 . . . . . . . . . . . 12 (𝑟 = 𝑡 → ((𝑋‘(𝑚 + 1))‘𝑟) = ((𝑋‘(𝑚 + 1))‘𝑡))
149148oveq2d 7464 . . . . . . . . . . 11 (𝑟 = 𝑡 → (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟)) = (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))
150149cbvmptv 5279 . . . . . . . . . 10 (𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) = (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))
151150eleq1i 2835 . . . . . . . . 9 ((𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴)
152 fveq1 6919 . . . . . . . . . . . . . . 15 (𝑔 = (𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) → (𝑔𝑡) = ((𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟)))‘𝑡))
153150fveq1i 6921 . . . . . . . . . . . . . . 15 ((𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟)))‘𝑡) = ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡)
154152, 153eqtrdi 2796 . . . . . . . . . . . . . 14 (𝑔 = (𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) → (𝑔𝑡) = ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))
155154oveq2d 7464 . . . . . . . . . . . . 13 (𝑔 = (𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) → (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡)) = (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡)))
156155mpteq2dv 5268 . . . . . . . . . . . 12 (𝑔 = (𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) = (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))))
157156eleq1d 2829 . . . . . . . . . . 11 (𝑔 = (𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) → ((𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴))
158157imbi2d 340 . . . . . . . . . 10 (𝑔 = (𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) → (((𝜑 ∧ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴) ↔ ((𝜑 ∧ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴)))
159 fveq2 6920 . . . . . . . . . . . . . . . . . 18 (𝑟 = 𝑡 → ((𝑋𝑖)‘𝑟) = ((𝑋𝑖)‘𝑡))
160159oveq2d 7464 . . . . . . . . . . . . . . . . 17 (𝑟 = 𝑡 → (𝐸 · ((𝑋𝑖)‘𝑟)) = (𝐸 · ((𝑋𝑖)‘𝑡)))
161160sumeq2sdv 15751 . . . . . . . . . . . . . . . 16 (𝑟 = 𝑡 → Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟)) = Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))
162161cbvmptv 5279 . . . . . . . . . . . . . . 15 (𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) = (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))
163162eleq1i 2835 . . . . . . . . . . . . . 14 ((𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)
164 fveq1 6919 . . . . . . . . . . . . . . . . . . . 20 (𝑓 = (𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) → (𝑓𝑡) = ((𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟)))‘𝑡))
165162fveq1i 6921 . . . . . . . . . . . . . . . . . . . 20 ((𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟)))‘𝑡) = ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡)
166164, 165eqtrdi 2796 . . . . . . . . . . . . . . . . . . 19 (𝑓 = (𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) → (𝑓𝑡) = ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡))
167166oveq1d 7463 . . . . . . . . . . . . . . . . . 18 (𝑓 = (𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) → ((𝑓𝑡) + (𝑔𝑡)) = (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡)))
168167mpteq2dv 5268 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) → (𝑡𝑇 ↦ ((𝑓𝑡) + (𝑔𝑡))) = (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))))
169168eleq1d 2829 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) → ((𝑡𝑇 ↦ ((𝑓𝑡) + (𝑔𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴))
170169imbi2d 340 . . . . . . . . . . . . . . 15 (𝑓 = (𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) → (((𝜑𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) + (𝑔𝑡))) ∈ 𝐴) ↔ ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴)))
171 stoweidlem17.4 . . . . . . . . . . . . . . . . 17 ((𝜑𝑓𝐴𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) + (𝑔𝑡))) ∈ 𝐴)
1721713com12 1123 . . . . . . . . . . . . . . . 16 ((𝑓𝐴𝜑𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) + (𝑔𝑡))) ∈ 𝐴)
1731723expib 1122 . . . . . . . . . . . . . . 15 (𝑓𝐴 → ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ ((𝑓𝑡) + (𝑔𝑡))) ∈ 𝐴))
174170, 173vtoclga 3589 . . . . . . . . . . . . . 14 ((𝑟𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑟))) ∈ 𝐴 → ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴))
175163, 174sylbir 235 . . . . . . . . . . . . 13 ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴 → ((𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴))
1761753impib 1116 . . . . . . . . . . . 12 (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴𝜑𝑔𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴)
1771763com13 1124 . . . . . . . . . . 11 ((𝑔𝐴𝜑 ∧ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴)
1781773expib 1122 . . . . . . . . . 10 (𝑔𝐴 → ((𝜑 ∧ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝑔𝑡))) ∈ 𝐴))
179158, 178vtoclga 3589 . . . . . . . . 9 ((𝑟𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑟))) ∈ 𝐴 → ((𝜑 ∧ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴))
180151, 179sylbir 235 . . . . . . . 8 ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴 → ((𝜑 ∧ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴))
1811803impib 1116 . . . . . . 7 (((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) ∈ 𝐴𝜑 ∧ (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴)
182123, 124, 147, 181syl3anc 1371 . . . . . 6 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴)
183 3anass 1095 . . . . . . . . 9 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ↔ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))))
184183biimpri 228 . . . . . . . 8 ((𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))) → (𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))
185184adantl 481 . . . . . . 7 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → (𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))
186 nfv 1913 . . . . . . . . . 10 𝑡 𝑚 ∈ ℕ0
187 nfv 1913 . . . . . . . . . 10 𝑡(𝑚 + 1) ∈ (0...𝑁)
188186, 41, 187nf3an 1900 . . . . . . . . 9 𝑡(𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁))
189 simpr 484 . . . . . . . . . . . 12 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → 𝑡𝑇)
190 fzfid 14024 . . . . . . . . . . . . 13 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (0...𝑚) ∈ Fin)
191423ad2ant2 1134 . . . . . . . . . . . . . . . 16 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → 𝐸 ∈ ℝ)
192191adantr 480 . . . . . . . . . . . . . . 15 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → 𝐸 ∈ ℝ)
193192adantr 480 . . . . . . . . . . . . . 14 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...𝑚)) → 𝐸 ∈ ℝ)
194 fzelp1 13636 . . . . . . . . . . . . . . . . 17 (𝑖 ∈ (0...𝑚) → 𝑖 ∈ (0...(𝑚 + 1)))
195194anim2i 616 . . . . . . . . . . . . . . . 16 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...𝑚)) → (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...(𝑚 + 1))))
196 an32 645 . . . . . . . . . . . . . . . 16 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...(𝑚 + 1))) ↔ (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) ∧ 𝑡𝑇))
197195, 196sylib 218 . . . . . . . . . . . . . . 15 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...𝑚)) → (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) ∧ 𝑡𝑇))
198453ad2ant2 1134 . . . . . . . . . . . . . . . . . . 19 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → 𝑋:(0...𝑁)⟶𝐴)
199198adantr 480 . . . . . . . . . . . . . . . . . 18 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → 𝑋:(0...𝑁)⟶𝐴)
200 elfzuz3 13581 . . . . . . . . . . . . . . . . . . . . 21 ((𝑚 + 1) ∈ (0...𝑁) → 𝑁 ∈ (ℤ‘(𝑚 + 1)))
201 fzss2 13624 . . . . . . . . . . . . . . . . . . . . 21 (𝑁 ∈ (ℤ‘(𝑚 + 1)) → (0...(𝑚 + 1)) ⊆ (0...𝑁))
202200, 201syl 17 . . . . . . . . . . . . . . . . . . . 20 ((𝑚 + 1) ∈ (0...𝑁) → (0...(𝑚 + 1)) ⊆ (0...𝑁))
203202sselda 4008 . . . . . . . . . . . . . . . . . . 19 (((𝑚 + 1) ∈ (0...𝑁) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → 𝑖 ∈ (0...𝑁))
2042033ad2antl3 1187 . . . . . . . . . . . . . . . . . 18 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → 𝑖 ∈ (0...𝑁))
205199, 204ffvelcdmd 7119 . . . . . . . . . . . . . . . . 17 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → (𝑋𝑖) ∈ 𝐴)
206 simpl2 1192 . . . . . . . . . . . . . . . . 17 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → 𝜑)
207 feq1 6728 . . . . . . . . . . . . . . . . . . 19 (𝑓 = (𝑋𝑖) → (𝑓:𝑇⟶ℝ ↔ (𝑋𝑖):𝑇⟶ℝ))
208207imbi2d 340 . . . . . . . . . . . . . . . . . 18 (𝑓 = (𝑋𝑖) → ((𝜑𝑓:𝑇⟶ℝ) ↔ (𝜑 → (𝑋𝑖):𝑇⟶ℝ)))
209208, 63vtoclga 3589 . . . . . . . . . . . . . . . . 17 ((𝑋𝑖) ∈ 𝐴 → (𝜑 → (𝑋𝑖):𝑇⟶ℝ))
210205, 206, 209sylc 65 . . . . . . . . . . . . . . . 16 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → (𝑋𝑖):𝑇⟶ℝ)
211210ffvelcdmda 7118 . . . . . . . . . . . . . . 15 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑖 ∈ (0...(𝑚 + 1))) ∧ 𝑡𝑇) → ((𝑋𝑖)‘𝑡) ∈ ℝ)
212197, 211syl 17 . . . . . . . . . . . . . 14 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...𝑚)) → ((𝑋𝑖)‘𝑡) ∈ ℝ)
213193, 212remulcld 11320 . . . . . . . . . . . . 13 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...𝑚)) → (𝐸 · ((𝑋𝑖)‘𝑡)) ∈ ℝ)
214190, 213fsumrecl 15782 . . . . . . . . . . . 12 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)) ∈ ℝ)
215 eqid 2740 . . . . . . . . . . . . 13 (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))
216215fvmpt2 7040 . . . . . . . . . . . 12 ((𝑡𝑇 ∧ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)) ∈ ℝ) → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) = Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))
217189, 214, 216syl2anc 583 . . . . . . . . . . 11 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) = Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))
218217oveq1d 7463 . . . . . . . . . 10 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) = (Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)) + (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))))
219 3simpc 1150 . . . . . . . . . . . . . . . 16 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))
220219adantr 480 . . . . . . . . . . . . . . 15 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))
221 feq1 6728 . . . . . . . . . . . . . . . . . 18 (𝑓 = (𝑋‘(𝑚 + 1)) → (𝑓:𝑇⟶ℝ ↔ (𝑋‘(𝑚 + 1)):𝑇⟶ℝ))
222221imbi2d 340 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑋‘(𝑚 + 1)) → ((𝜑𝑓:𝑇⟶ℝ) ↔ (𝜑 → (𝑋‘(𝑚 + 1)):𝑇⟶ℝ)))
223222, 63vtoclga 3589 . . . . . . . . . . . . . . . 16 ((𝑋‘(𝑚 + 1)) ∈ 𝐴 → (𝜑 → (𝑋‘(𝑚 + 1)):𝑇⟶ℝ))
22489, 90, 223sylc 65 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑋‘(𝑚 + 1)):𝑇⟶ℝ)
225220, 224syl 17 . . . . . . . . . . . . . 14 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (𝑋‘(𝑚 + 1)):𝑇⟶ℝ)
226225, 189ffvelcdmd 7119 . . . . . . . . . . . . 13 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → ((𝑋‘(𝑚 + 1))‘𝑡) ∈ ℝ)
227192, 226remulcld 11320 . . . . . . . . . . . 12 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)) ∈ ℝ)
228 eqid 2740 . . . . . . . . . . . . 13 (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) = (𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))
229228fvmpt2 7040 . . . . . . . . . . . 12 ((𝑡𝑇 ∧ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)) ∈ ℝ) → ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡) = (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))
230189, 227, 229syl2anc 583 . . . . . . . . . . 11 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡) = (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))
231230oveq2d 7464 . . . . . . . . . 10 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡)) = (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))))
232 elfzuz 13580 . . . . . . . . . . . . . 14 ((𝑚 + 1) ∈ (0...𝑁) → (𝑚 + 1) ∈ (ℤ‘0))
2332323ad2ant3 1135 . . . . . . . . . . . . 13 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑚 + 1) ∈ (ℤ‘0))
234233adantr 480 . . . . . . . . . . . 12 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (𝑚 + 1) ∈ (ℤ‘0))
235192adantr 480 . . . . . . . . . . . . 13 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → 𝐸 ∈ ℝ)
236211an32s 651 . . . . . . . . . . . . 13 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → ((𝑋𝑖)‘𝑡) ∈ ℝ)
237 remulcl 11269 . . . . . . . . . . . . . 14 ((𝐸 ∈ ℝ ∧ ((𝑋𝑖)‘𝑡) ∈ ℝ) → (𝐸 · ((𝑋𝑖)‘𝑡)) ∈ ℝ)
238237recnd 11318 . . . . . . . . . . . . 13 ((𝐸 ∈ ℝ ∧ ((𝑋𝑖)‘𝑡) ∈ ℝ) → (𝐸 · ((𝑋𝑖)‘𝑡)) ∈ ℂ)
239235, 236, 238syl2anc 583 . . . . . . . . . . . 12 ((((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) ∧ 𝑖 ∈ (0...(𝑚 + 1))) → (𝐸 · ((𝑋𝑖)‘𝑡)) ∈ ℂ)
240 fveq2 6920 . . . . . . . . . . . . . 14 (𝑖 = (𝑚 + 1) → (𝑋𝑖) = (𝑋‘(𝑚 + 1)))
241240fveq1d 6922 . . . . . . . . . . . . 13 (𝑖 = (𝑚 + 1) → ((𝑋𝑖)‘𝑡) = ((𝑋‘(𝑚 + 1))‘𝑡))
242241oveq2d 7464 . . . . . . . . . . . 12 (𝑖 = (𝑚 + 1) → (𝐸 · ((𝑋𝑖)‘𝑡)) = (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))
243234, 239, 242fsumm1 15799 . . . . . . . . . . 11 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡)) = (Σ𝑖 ∈ (0...((𝑚 + 1) − 1))(𝐸 · ((𝑋𝑖)‘𝑡)) + (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))))
244 nn0cn 12563 . . . . . . . . . . . . . . . . 17 (𝑚 ∈ ℕ0𝑚 ∈ ℂ)
2452443ad2ant1 1133 . . . . . . . . . . . . . . . 16 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → 𝑚 ∈ ℂ)
246245adantr 480 . . . . . . . . . . . . . . 15 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → 𝑚 ∈ ℂ)
247 1cnd 11285 . . . . . . . . . . . . . . 15 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → 1 ∈ ℂ)
248246, 247pncand 11648 . . . . . . . . . . . . . 14 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → ((𝑚 + 1) − 1) = 𝑚)
249248oveq2d 7464 . . . . . . . . . . . . 13 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (0...((𝑚 + 1) − 1)) = (0...𝑚))
250249sumeq1d 15748 . . . . . . . . . . . 12 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → Σ𝑖 ∈ (0...((𝑚 + 1) − 1))(𝐸 · ((𝑋𝑖)‘𝑡)) = Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))
251250oveq1d 7463 . . . . . . . . . . 11 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → (Σ𝑖 ∈ (0...((𝑚 + 1) − 1))(𝐸 · ((𝑋𝑖)‘𝑡)) + (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))) = (Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)) + (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))))
252243, 251eqtrd 2780 . . . . . . . . . 10 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡)) = (Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)) + (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡))))
253218, 231, 2523eqtr4rd 2791 . . . . . . . . 9 (((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) ∧ 𝑡𝑇) → Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡)) = (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡)))
254188, 253mpteq2da 5264 . . . . . . . 8 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) = (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))))
255254eleq1d 2829 . . . . . . 7 ((𝑚 ∈ ℕ0𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴))
256185, 255syl 17 . . . . . 6 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → ((𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴 ↔ (𝑡𝑇 ↦ (((𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡)))‘𝑡) + ((𝑡𝑇 ↦ (𝐸 · ((𝑋‘(𝑚 + 1))‘𝑡)))‘𝑡))) ∈ 𝐴))
257182, 256mpbird 257 . . . . 5 (((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) ∧ (𝑚 ∈ ℕ0 ∧ (𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)))) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)
258257exp32 420 . . . 4 ((𝑚 ∈ ℕ0 → ((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)) → (𝑚 ∈ ℕ0 → ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)))
259258pm2.86i 110 . . 3 (𝑚 ∈ ℕ0 → (((𝜑𝑚 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑚)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴) → ((𝜑 ∧ (𝑚 + 1) ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...(𝑚 + 1))(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)))
26014, 21, 28, 35, 80, 259nn0ind 12738 . 2 (𝑁 ∈ ℕ0 → ((𝜑𝑁 ∈ (0...𝑁)) → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑁)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴))
2612, 7, 260sylc 65 1 (𝜑 → (𝑡𝑇 ↦ Σ𝑖 ∈ (0...𝑁)(𝐸 · ((𝑋𝑖)‘𝑡))) ∈ 𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  w3a 1087   = wceq 1537  wnf 1781  wcel 2108  wss 3976  {csn 4648   class class class wbr 5166  cmpt 5249  wf 6569  cfv 6573  (class class class)co 7448  cc 11182  cr 11183  0cc0 11184  1c1 11185   + caddc 11187   · cmul 11189   < clt 11324  cle 11325  cmin 11520  cn 12293  0cn0 12553  cz 12639  cuz 12903  ...cfz 13567  Σcsu 15734
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-rep 5303  ax-sep 5317  ax-nul 5324  ax-pow 5383  ax-pr 5447  ax-un 7770  ax-inf2 9710  ax-cnex 11240  ax-resscn 11241  ax-1cn 11242  ax-icn 11243  ax-addcl 11244  ax-addrcl 11245  ax-mulcl 11246  ax-mulrcl 11247  ax-mulcom 11248  ax-addass 11249  ax-mulass 11250  ax-distr 11251  ax-i2m1 11252  ax-1ne0 11253  ax-1rid 11254  ax-rnegex 11255  ax-rrecex 11256  ax-cnre 11257  ax-pre-lttri 11258  ax-pre-lttrn 11259  ax-pre-ltadd 11260  ax-pre-mulgt0 11261  ax-pre-sup 11262
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3or 1088  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-nel 3053  df-ral 3068  df-rex 3077  df-rmo 3388  df-reu 3389  df-rab 3444  df-v 3490  df-sbc 3805  df-csb 3922  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-pss 3996  df-nul 4353  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-int 4971  df-iun 5017  df-br 5167  df-opab 5229  df-mpt 5250  df-tr 5284  df-id 5593  df-eprel 5599  df-po 5607  df-so 5608  df-fr 5652  df-se 5653  df-we 5654  df-xp 5706  df-rel 5707  df-cnv 5708  df-co 5709  df-dm 5710  df-rn 5711  df-res 5712  df-ima 5713  df-pred 6332  df-ord 6398  df-on 6399  df-lim 6400  df-suc 6401  df-iota 6525  df-fun 6575  df-fn 6576  df-f 6577  df-f1 6578  df-fo 6579  df-f1o 6580  df-fv 6581  df-isom 6582  df-riota 7404  df-ov 7451  df-oprab 7452  df-mpo 7453  df-om 7904  df-1st 8030  df-2nd 8031  df-frecs 8322  df-wrecs 8353  df-recs 8427  df-rdg 8466  df-1o 8522  df-er 8763  df-en 9004  df-dom 9005  df-sdom 9006  df-fin 9007  df-sup 9511  df-oi 9579  df-card 10008  df-pnf 11326  df-mnf 11327  df-xr 11328  df-ltxr 11329  df-le 11330  df-sub 11522  df-neg 11523  df-div 11948  df-nn 12294  df-2 12356  df-3 12357  df-n0 12554  df-z 12640  df-uz 12904  df-rp 13058  df-fz 13568  df-fzo 13712  df-seq 14053  df-exp 14113  df-hash 14380  df-cj 15148  df-re 15149  df-im 15150  df-sqrt 15284  df-abs 15285  df-clim 15534  df-sum 15735
This theorem is referenced by:  stoweidlem60  45981
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