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Theorem mtestbdd 26741
Description: Given the hypotheses of the Weierstrass M-test, the convergent function of the sequence is uniformly bounded. (Contributed by Mario Carneiro, 9-Jul-2017.)
Hypotheses
Ref Expression
mtest.z 𝑍 = (ℤ≥‘𝑁)
mtest.n (𝜑 → 𝑁 ∈ ℤ)
mtest.s (𝜑 → 𝑆 ∈ 𝑉)
mtest.f (𝜑 → 𝐹:𝑍⟶(ℂ ↑m 𝑆))
mtest.m (𝜑 → 𝑀 ∈ 𝑊)
mtest.c ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝑀‘𝑘) ∈ ℝ)
mtest.l ((𝜑 ∧ (𝑘 ∈ 𝑍 ∧ 𝑧 ∈ 𝑆)) → (abs‘((𝐹‘𝑘)‘𝑧)) ≤ (𝑀‘𝑘))
mtest.d (𝜑 → seq𝑁( + , 𝑀) ∈ dom ⇝ )
mtest.t (𝜑 → seq𝑁( ∘f + , 𝐹)(⇝𝑢‘𝑆)𝑇)
Assertion
Ref Expression
mtestbdd (𝜑 → ∃𝑥 ∈ ℝ ∀𝑧 ∈ 𝑆 (abs‘(𝑇‘𝑧)) ≤ 𝑥)
Distinct variable groups:   𝑥,𝑘,𝑧,𝐹   𝑘,𝑀,𝑥,𝑧   𝑘,𝑁,𝑥,𝑧   𝜑,𝑘,𝑥,𝑧   𝑥,𝑇,𝑧   𝑘,𝑍,𝑥,𝑧   𝑆,𝑘,𝑥,𝑧
Allowed substitution hints:   𝑇(𝑘)   𝑉(𝑥, 𝑧, 𝑘)   𝑊(𝑥, 𝑧, 𝑘)

Proof of Theorem mtestbdd
Dummy variables 𝑗 𝑛 𝑚 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 mtest.n . . 3 (𝜑 → 𝑁 ∈ ℤ)
2 mtest.d . . 3 (𝜑 → seq𝑁( + , 𝑀) ∈ dom ⇝ )
3 mtest.z . . . . . 6 𝑍 = (ℤ≥‘𝑁)
4 mtest.c . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝑀‘𝑘) ∈ ℝ)
54recnd 11344 . . . . . 6 ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝑀‘𝑘) ∈ ℂ)
63, 1, 5serf 14180 . . . . 5 (𝜑 → seq𝑁( + , 𝑀):𝑍⟶ℂ)
76ffvelcdmda 7089 . . . 4 ((𝜑 ∧ 𝑚 ∈ 𝑍) → (seq𝑁( + , 𝑀)‘𝑚) ∈ ℂ)
87ralrimiva 3154 . . 3 (𝜑 → ∀𝑚 ∈ 𝑍 (seq𝑁( + , 𝑀)‘𝑚) ∈ ℂ)
93climbdd 15848 . . 3 ((𝑁 ∈ ℤ ∧ seq𝑁( + , 𝑀) ∈ dom ⇝ ∧ ∀𝑚 ∈ 𝑍 (seq𝑁( + , 𝑀)‘𝑚) ∈ ℂ) → ∃𝑦 ∈ ℝ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)
101, 2, 8, 9syl3anc 1398 . 2 (𝜑 → ∃𝑦 ∈ ℝ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)
111adantr 486 . . 3 ((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) → 𝑁 ∈ ℤ)
12 seqfn 14163 . . . . . . 7 (𝑁 ∈ ℤ → seq𝑁( ∘f + , 𝐹) Fn (ℤ≥‘𝑁))
131, 12syl 18 . . . . . 6 (𝜑 → seq𝑁( ∘f + , 𝐹) Fn (ℤ≥‘𝑁))
143fneq2i 6642 . . . . . 6 (seq𝑁( ∘f + , 𝐹) Fn 𝑍 ↔ seq𝑁( ∘f + , 𝐹) Fn (ℤ≥‘𝑁))
1513, 14sylibr 237 . . . . 5 (𝜑 → seq𝑁( ∘f + , 𝐹) Fn 𝑍)
16 mtest.t . . . . 5 (𝜑 → seq𝑁( ∘f + , 𝐹)(⇝𝑢‘𝑆)𝑇)
17 ulmf2 26720 . . . . 5 ((seq𝑁( ∘f + , 𝐹) Fn 𝑍 ∧ seq𝑁( ∘f + , 𝐹)(⇝𝑢‘𝑆)𝑇) → seq𝑁( ∘f + , 𝐹):𝑍⟶(ℂ ↑m 𝑆))
1815, 16, 17syl2anc 596 . . . 4 (𝜑 → seq𝑁( ∘f + , 𝐹):𝑍⟶(ℂ ↑m 𝑆))
1918adantr 486 . . 3 ((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) → seq𝑁( ∘f + , 𝐹):𝑍⟶(ℂ ↑m 𝑆))
20 simplrl 789 . . . 4 (((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) → 𝑦 ∈ ℝ)
21 fveq2 6890 . . . . . . . . . . . . 13 (𝑥 = 𝑧 → ((𝐹‘𝑗)‘𝑥) = ((𝐹‘𝑗)‘𝑧))
2221mpteq2dv 5198 . . . . . . . . . . . 12 (𝑥 = 𝑧 → (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)) = (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)))
2322seqeq3d 14159 . . . . . . . . . . 11 (𝑥 = 𝑧 → seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥))) = seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧))))
2423fveq1d 6892 . . . . . . . . . 10 (𝑥 = 𝑧 → (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛) = (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)))‘𝑛))
25 eqid 2760 . . . . . . . . . 10 (𝑥 ∈ 𝑆 ↦ (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛)) = (𝑥 ∈ 𝑆 ↦ (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛))
26 fvex 6903 . . . . . . . . . 10 (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)))‘𝑛) ∈ V
2724, 25, 26fvmpt 6998 . . . . . . . . 9 (𝑧 ∈ 𝑆 → ((𝑥 ∈ 𝑆 ↦ (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛))‘𝑧) = (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)))‘𝑛))
2827adantl 487 . . . . . . . 8 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → ((𝑥 ∈ 𝑆 ↦ (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛))‘𝑧) = (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)))‘𝑛))
29 mtest.f . . . . . . . . . . . . . . 15 (𝜑 → 𝐹:𝑍⟶(ℂ ↑m 𝑆))
3029ad3antrrr 743 . . . . . . . . . . . . . 14 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → 𝐹:𝑍⟶(ℂ ↑m 𝑆))
3130feqmptd 6958 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → 𝐹 = (𝑗 ∈ 𝑍 ↦ (𝐹‘𝑗)))
3230ffvelcdmda 7089 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ∈ (ℂ ↑m 𝑆))
33 elmapi 8877 . . . . . . . . . . . . . . . 16 ((𝐹‘𝑗) ∈ (ℂ ↑m 𝑆) → (𝐹‘𝑗):𝑆⟶ℂ)
3432, 33syl 18 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗):𝑆⟶ℂ)
3534feqmptd 6958 . . . . . . . . . . . . . 14 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) = (𝑥 ∈ 𝑆 ↦ ((𝐹‘𝑗)‘𝑥)))
3635mpteq2dva 5197 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (𝑗 ∈ 𝑍 ↦ (𝐹‘𝑗)) = (𝑗 ∈ 𝑍 ↦ (𝑥 ∈ 𝑆 ↦ ((𝐹‘𝑗)‘𝑥))))
3731, 36eqtrd 2795 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → 𝐹 = (𝑗 ∈ 𝑍 ↦ (𝑥 ∈ 𝑆 ↦ ((𝐹‘𝑗)‘𝑥))))
3837seqeq3d 14159 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → seq𝑁( ∘f + , 𝐹) = seq𝑁( ∘f + , (𝑗 ∈ 𝑍 ↦ (𝑥 ∈ 𝑆 ↦ ((𝐹‘𝑗)‘𝑥)))))
3938fveq1d 6892 . . . . . . . . . 10 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (seq𝑁( ∘f + , 𝐹)‘𝑛) = (seq𝑁( ∘f + , (𝑗 ∈ 𝑍 ↦ (𝑥 ∈ 𝑆 ↦ ((𝐹‘𝑗)‘𝑥))))‘𝑛))
40 mtest.s . . . . . . . . . . . 12 (𝜑 → 𝑆 ∈ 𝑉)
4140ad3antrrr 743 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → 𝑆 ∈ 𝑉)
42 simplr 781 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → 𝑛 ∈ 𝑍)
4342, 3eleqtrdi 2870 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → 𝑛 ∈ (ℤ≥‘𝑁))
44 elfzuz 13659 . . . . . . . . . . . . . 14 (𝑘 ∈ (𝑁...𝑛) → 𝑘 ∈ (ℤ≥‘𝑁))
4544, 3eleqtrrdi 2871 . . . . . . . . . . . . 13 (𝑘 ∈ (𝑁...𝑛) → 𝑘 ∈ 𝑍)
4645ssriv 3913 . . . . . . . . . . . 12 (𝑁...𝑛) ⊆ 𝑍
4746a1i 11 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (𝑁...𝑛) ⊆ 𝑍)
4834ffvelcdmda 7089 . . . . . . . . . . . 12 ((((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑗 ∈ 𝑍) ∧ 𝑥 ∈ 𝑆) → ((𝐹‘𝑗)‘𝑥) ∈ ℂ)
4948anasss 472 . . . . . . . . . . 11 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ (𝑗 ∈ 𝑍 ∧ 𝑥 ∈ 𝑆)) → ((𝐹‘𝑗)‘𝑥) ∈ ℂ)
5041, 43, 47, 49seqof2 14210 . . . . . . . . . 10 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (seq𝑁( ∘f + , (𝑗 ∈ 𝑍 ↦ (𝑥 ∈ 𝑆 ↦ ((𝐹‘𝑗)‘𝑥))))‘𝑛) = (𝑥 ∈ 𝑆 ↦ (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛)))
5139, 50eqtrd 2795 . . . . . . . . 9 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (seq𝑁( ∘f + , 𝐹)‘𝑛) = (𝑥 ∈ 𝑆 ↦ (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛)))
5251fveq1d 6892 . . . . . . . 8 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → ((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧) = ((𝑥 ∈ 𝑆 ↦ (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑥)))‘𝑛))‘𝑧))
5345adantl 487 . . . . . . . . . 10 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → 𝑘 ∈ 𝑍)
54 fveq2 6890 . . . . . . . . . . . 12 (𝑗 = 𝑘 → (𝐹‘𝑗) = (𝐹‘𝑘))
5554fveq1d 6892 . . . . . . . . . . 11 (𝑗 = 𝑘 → ((𝐹‘𝑗)‘𝑧) = ((𝐹‘𝑘)‘𝑧))
56 eqid 2760 . . . . . . . . . . 11 (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)) = (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧))
57 fvex 6903 . . . . . . . . . . 11 ((𝐹‘𝑘)‘𝑧) ∈ V
5855, 56, 57fvmpt 6998 . . . . . . . . . 10 (𝑘 ∈ 𝑍 → ((𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧))‘𝑘) = ((𝐹‘𝑘)‘𝑧))
5953, 58syl 18 . . . . . . . . 9 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → ((𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧))‘𝑘) = ((𝐹‘𝑘)‘𝑧))
60 simplr 781 . . . . . . . . . . . . . 14 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑗 ∈ 𝑍) → 𝑧 ∈ 𝑆)
6134, 60ffvelcdmd 7090 . . . . . . . . . . . . 13 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑗 ∈ 𝑍) → ((𝐹‘𝑗)‘𝑧) ∈ ℂ)
6261fmpttd 7120 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)):𝑍⟶ℂ)
6362ffvelcdmda 7089 . . . . . . . . . . 11 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ 𝑍) → ((𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧))‘𝑘) ∈ ℂ)
6445, 63sylan2 605 . . . . . . . . . 10 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → ((𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧))‘𝑘) ∈ ℂ)
6559, 64eqeltrrd 2861 . . . . . . . . 9 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → ((𝐹‘𝑘)‘𝑧) ∈ ℂ)
6659, 43, 65fsumser 15905 . . . . . . . 8 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)((𝐹‘𝑘)‘𝑧) = (seq𝑁( + , (𝑗 ∈ 𝑍 ↦ ((𝐹‘𝑗)‘𝑧)))‘𝑛))
6728, 52, 663eqtr4d 2805 . . . . . . 7 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → ((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧) = Σ𝑘 ∈ (𝑁...𝑛)((𝐹‘𝑘)‘𝑧))
6867fveq2d 6894 . . . . . 6 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧)) = (abs‘Σ𝑘 ∈ (𝑁...𝑛)((𝐹‘𝑘)‘𝑧)))
69 fzfid 14123 . . . . . . . . 9 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (𝑁...𝑛) ∈ Fin)
7069, 65fsumcl 15908 . . . . . . . 8 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)((𝐹‘𝑘)‘𝑧) ∈ ℂ)
7170abscld 15615 . . . . . . 7 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘Σ𝑘 ∈ (𝑁...𝑛)((𝐹‘𝑘)‘𝑧)) ∈ ℝ)
7265abscld 15615 . . . . . . . 8 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → (abs‘((𝐹‘𝑘)‘𝑧)) ∈ ℝ)
7369, 72fsumrecl 15909 . . . . . . 7 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(abs‘((𝐹‘𝑘)‘𝑧)) ∈ ℝ)
7420adantr 486 . . . . . . 7 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → 𝑦 ∈ ℝ)
7569, 65fsumabs 15977 . . . . . . 7 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘Σ𝑘 ∈ (𝑁...𝑛)((𝐹‘𝑘)‘𝑧)) ≤ Σ𝑘 ∈ (𝑁...𝑛)(abs‘((𝐹‘𝑘)‘𝑧)))
76 simp-4l 795 . . . . . . . . . 10 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → 𝜑)
7776, 53, 4syl2anc 596 . . . . . . . . 9 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → (𝑀‘𝑘) ∈ ℝ)
7869, 77fsumrecl 15909 . . . . . . . 8 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘) ∈ ℝ)
79 simplr 781 . . . . . . . . . 10 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → 𝑧 ∈ 𝑆)
80 mtest.l . . . . . . . . . 10 ((𝜑 ∧ (𝑘 ∈ 𝑍 ∧ 𝑧 ∈ 𝑆)) → (abs‘((𝐹‘𝑘)‘𝑧)) ≤ (𝑀‘𝑘))
8176, 53, 79, 80syl12anc 850 . . . . . . . . 9 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → (abs‘((𝐹‘𝑘)‘𝑧)) ≤ (𝑀‘𝑘))
8269, 72, 77, 81fsumle 15975 . . . . . . . 8 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(abs‘((𝐹‘𝑘)‘𝑧)) ≤ Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘))
8378recnd 11344 . . . . . . . . . 10 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘) ∈ ℂ)
8483abscld 15615 . . . . . . . . 9 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘)) ∈ ℝ)
8578leabsd 15591 . . . . . . . . 9 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘) ≤ (abs‘Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘)))
86 eqidd 2761 . . . . . . . . . . . 12 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → (𝑀‘𝑘) = (𝑀‘𝑘))
8776, 53, 5syl2anc 596 . . . . . . . . . . . 12 (((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) ∧ 𝑘 ∈ (𝑁...𝑛)) → (𝑀‘𝑘) ∈ ℂ)
8886, 43, 87fsumser 15905 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘) = (seq𝑁( + , 𝑀)‘𝑛))
8988fveq2d 6894 . . . . . . . . . 10 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘)) = (abs‘(seq𝑁( + , 𝑀)‘𝑛)))
90 simprr 785 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) → ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)
91 fveq2 6890 . . . . . . . . . . . . . . 15 (𝑚 = 𝑛 → (seq𝑁( + , 𝑀)‘𝑚) = (seq𝑁( + , 𝑀)‘𝑛))
9291fveq2d 6894 . . . . . . . . . . . . . 14 (𝑚 = 𝑛 → (abs‘(seq𝑁( + , 𝑀)‘𝑚)) = (abs‘(seq𝑁( + , 𝑀)‘𝑛)))
9392breq1d 5112 . . . . . . . . . . . . 13 (𝑚 = 𝑛 → ((abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦 ↔ (abs‘(seq𝑁( + , 𝑀)‘𝑛)) ≤ 𝑦))
9493rspccva 3575 . . . . . . . . . . . 12 ((∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦 ∧ 𝑛 ∈ 𝑍) → (abs‘(seq𝑁( + , 𝑀)‘𝑛)) ≤ 𝑦)
9590, 94sylan 592 . . . . . . . . . . 11 (((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) → (abs‘(seq𝑁( + , 𝑀)‘𝑛)) ≤ 𝑦)
9695adantr 486 . . . . . . . . . 10 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘(seq𝑁( + , 𝑀)‘𝑛)) ≤ 𝑦)
9789, 96eqbrtrd 5126 . . . . . . . . 9 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘)) ≤ 𝑦)
9878, 84, 74, 85, 97letrd 11474 . . . . . . . 8 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(𝑀‘𝑘) ≤ 𝑦)
9973, 78, 74, 82, 98letrd 11474 . . . . . . 7 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → Σ𝑘 ∈ (𝑁...𝑛)(abs‘((𝐹‘𝑘)‘𝑧)) ≤ 𝑦)
10071, 73, 74, 75, 99letrd 11474 . . . . . 6 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘Σ𝑘 ∈ (𝑁...𝑛)((𝐹‘𝑘)‘𝑧)) ≤ 𝑦)
10168, 100eqbrtrd 5126 . . . . 5 ((((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) ∧ 𝑧 ∈ 𝑆) → (abs‘((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧)) ≤ 𝑦)
102101ralrimiva 3154 . . . 4 (((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) → ∀𝑧 ∈ 𝑆 (abs‘((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧)) ≤ 𝑦)
103 brralrspcev 5164 . . . 4 ((𝑦 ∈ ℝ ∧ ∀𝑧 ∈ 𝑆 (abs‘((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧)) ≤ 𝑦) → ∃𝑥 ∈ ℝ ∀𝑧 ∈ 𝑆 (abs‘((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧)) ≤ 𝑥)
10420, 102, 103syl2anc 596 . . 3 (((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) ∧ 𝑛 ∈ 𝑍) → ∃𝑥 ∈ ℝ ∀𝑧 ∈ 𝑆 (abs‘((seq𝑁( ∘f + , 𝐹)‘𝑛)‘𝑧)) ≤ 𝑥)
10516adantr 486 . . 3 ((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) → seq𝑁( ∘f + , 𝐹)(⇝𝑢‘𝑆)𝑇)
1063, 11, 19, 104, 105ulmbdd 26734 . 2 ((𝜑 ∧ (𝑦 ∈ ℝ ∧ ∀𝑚 ∈ 𝑍 (abs‘(seq𝑁( + , 𝑀)‘𝑚)) ≤ 𝑦)) → ∃𝑥 ∈ ℝ ∀𝑧 ∈ 𝑆 (abs‘(𝑇‘𝑧)) ≤ 𝑥)
10710, 106rexlimddv 3169 1 (𝜑 → ∃𝑥 ∈ ℝ ∀𝑧 ∈ 𝑆 (abs‘(𝑇‘𝑧)) ≤ 𝑥)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   = wceq 1569   ∈ wcel 2144  ∀wral 3076  ∃wrex 3086   ⊆ wss 3896   class class class wbr 5102   ↦ cmpt 5185  dom cdm 5651   Fn wfn 6538  ⟶wf 6539  ‘cfv 6543  (class class class)co 7424   ∘f cof 7695   ↑m cmap 8855  ℂcc 11205  ℝcr 11206   + caddc 11210   ≤ cle 11351  ℤcz 12700  ℤ≥cuz 12972  ...cfz 13646  seqcseq 14151  abscabs 15410   ⇝ cli 15660  Σcsu 15862  ⇝𝑢culm 26712
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5327  ax-pr 5391  ax-un 7755  ax-inf2 9649  ax-cnex 11263  ax-resscn 11264  ax-1cn 11265  ax-icn 11266  ax-addcl 11267  ax-addrcl 11268  ax-mulcl 11269  ax-mulrcl 11270  ax-mulcom 11271  ax-addass 11272  ax-mulass 11273  ax-distr 11274  ax-i2m1 11275  ax-1ne0 11276  ax-1rid 11277  ax-rnegex 11278  ax-rrecex 11279  ax-cnre 11280  ax-pre-lttri 11281  ax-pre-lttrn 11282  ax-pre-ltadd 11283  ax-pre-mulgt0 11284  ax-pre-sup 11285
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-nel 3062  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3848  df-ss 3897  df-pss 4013  df-dif 4046  df-in 4090  df-un 4150  df-nul 4278  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-int 4907  df-iun 4952  df-br 5103  df-opab 5167  df-mpt 5186  df-tr 5212  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-se 5605  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 6307  df-ord 6368  df-on 6369  df-lim 6370  df-suc 6371  df-iota 6497  df-fun 6545  df-fn 6546  df-f 6547  df-f1 6548  df-fo 6549  df-f1o 6550  df-fv 6551  df-isom 6552  df-riota 7381  df-ov 7427  df-oprab 7428  df-mpo 7429  df-of 7697  df-om 7882  df-1st 8005  df-2nd 8006  df-frecs 8307  df-wrecs 8338  df-recs 8387  df-rdg 8426  df-1o 8484  df-er 8725  df-map 8857  df-pm 8858  df-en 8982  df-dom 8983  df-sdom 8984  df-fin 8985  df-sup 9441  df-oi 9511  df-card 10027  df-pnf 11352  df-mnf 11353  df-xr 11354  df-ltxr 11355  df-le 11356  df-sub 11550  df-neg 11551  df-div 11981  df-nn 12343  df-2 12412  df-3 12413  df-n0 12614  df-z 12701  df-uz 12973  df-rp 13128  df-ico 13489  df-fz 13647  df-fzo 13796  df-seq 14152  df-exp 14212  df-hash 14482  df-cj 15275  df-re 15276  df-im 15277  df-sqrt 15411  df-abs 15412  df-clim 15664  df-sum 15863  df-ulm 26713
This theorem is used by:  lgamgulmlem6  27370
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