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Theorem cvgcmp 14470
Description: A comparison test for convergence of a real infinite series. Exercise 3 of [Gleason] p. 182. (Contributed by NM, 1-May-2005.) (Revised by Mario Carneiro, 24-Mar-2014.)
Hypotheses
Ref Expression
cvgcmp.1 𝑍 = (ℤ𝑀)
cvgcmp.2 (𝜑𝑁𝑍)
cvgcmp.3 ((𝜑𝑘𝑍) → (𝐹𝑘) ∈ ℝ)
cvgcmp.4 ((𝜑𝑘𝑍) → (𝐺𝑘) ∈ ℝ)
cvgcmp.5 (𝜑 → seq𝑀( + , 𝐹) ∈ dom ⇝ )
cvgcmp.6 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐺𝑘))
cvgcmp.7 ((𝜑𝑘 ∈ (ℤ𝑁)) → (𝐺𝑘) ≤ (𝐹𝑘))
Assertion
Ref Expression
cvgcmp (𝜑 → seq𝑀( + , 𝐺) ∈ dom ⇝ )
Distinct variable groups:   𝑘,𝐹   𝑘,𝐺   𝜑,𝑘   𝑘,𝑀   𝑘,𝑁   𝑘,𝑍

Proof of Theorem cvgcmp
Dummy variables 𝑛 𝑚 𝑥 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 cvgcmp.1 . 2 𝑍 = (ℤ𝑀)
2 seqex 12740 . . 3 seq𝑀( + , 𝐺) ∈ V
32a1i 11 . 2 (𝜑 → seq𝑀( + , 𝐺) ∈ V)
4 cvgcmp.2 . . . . . . . 8 (𝜑𝑁𝑍)
54, 1syl6eleq 2714 . . . . . . 7 (𝜑𝑁 ∈ (ℤ𝑀))
6 eluzel2 11636 . . . . . . 7 (𝑁 ∈ (ℤ𝑀) → 𝑀 ∈ ℤ)
75, 6syl 17 . . . . . 6 (𝜑𝑀 ∈ ℤ)
8 cvgcmp.5 . . . . . 6 (𝜑 → seq𝑀( + , 𝐹) ∈ dom ⇝ )
91climcau 14330 . . . . . 6 ((𝑀 ∈ ℤ ∧ seq𝑀( + , 𝐹) ∈ dom ⇝ ) → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)
107, 8, 9syl2anc 692 . . . . 5 (𝜑 → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)
11 cvgcmp.3 . . . . . . . . . . 11 ((𝜑𝑘𝑍) → (𝐹𝑘) ∈ ℝ)
121, 7, 11serfre 12767 . . . . . . . . . 10 (𝜑 → seq𝑀( + , 𝐹):𝑍⟶ℝ)
1312ffvelrnda 6316 . . . . . . . . 9 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℝ)
1413recnd 10013 . . . . . . . 8 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ)
1514ralrimiva 2965 . . . . . . 7 (𝜑 → ∀𝑛𝑍 (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ)
161r19.29uz 14019 . . . . . . . 8 ((∀𝑛𝑍 (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ ∃𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) → ∃𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥))
1716ex 450 . . . . . . 7 (∀𝑛𝑍 (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ → (∃𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥 → ∃𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)))
1815, 17syl 17 . . . . . 6 (𝜑 → (∃𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥 → ∃𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)))
1918ralimdv 2962 . . . . 5 (𝜑 → (∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥 → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)))
2010, 19mpd 15 . . . 4 (𝜑 → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥))
211uztrn2 11649 . . . . . . . . . . 11 ((𝑁𝑍𝑛 ∈ (ℤ𝑁)) → 𝑛𝑍)
224, 21sylan 488 . . . . . . . . . 10 ((𝜑𝑛 ∈ (ℤ𝑁)) → 𝑛𝑍)
23 cvgcmp.4 . . . . . . . . . . . . 13 ((𝜑𝑘𝑍) → (𝐺𝑘) ∈ ℝ)
241, 7, 23serfre 12767 . . . . . . . . . . . 12 (𝜑 → seq𝑀( + , 𝐺):𝑍⟶ℝ)
2524ffvelrnda 6316 . . . . . . . . . . 11 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ)
2625recnd 10013 . . . . . . . . . 10 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
2722, 26syldan 487 . . . . . . . . 9 ((𝜑𝑛 ∈ (ℤ𝑁)) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
2827ralrimiva 2965 . . . . . . . 8 (𝜑 → ∀𝑛 ∈ (ℤ𝑁)(seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
2928adantr 481 . . . . . . 7 ((𝜑𝑥 ∈ ℝ+) → ∀𝑛 ∈ (ℤ𝑁)(seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
30 simpll 789 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝜑)
3130, 12syl 17 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → seq𝑀( + , 𝐹):𝑍⟶ℝ)
3230, 4syl 17 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑁𝑍)
33 simprl 793 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑚 ∈ (ℤ𝑁))
341uztrn2 11649 . . . . . . . . . . . . . . . 16 ((𝑁𝑍𝑚 ∈ (ℤ𝑁)) → 𝑚𝑍)
3532, 33, 34syl2anc 692 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑚𝑍)
3631, 35ffvelrnd 6317 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑚) ∈ ℝ)
37 eqid 2626 . . . . . . . . . . . . . . . . . 18 (ℤ𝑁) = (ℤ𝑁)
3837uztrn2 11649 . . . . . . . . . . . . . . . . 17 ((𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚)) → 𝑛 ∈ (ℤ𝑁))
3938adantl 482 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛 ∈ (ℤ𝑁))
4032, 39, 21syl2anc 692 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛𝑍)
4130, 40, 13syl2anc 692 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℝ)
4230, 40, 25syl2anc 692 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ)
4330, 24syl 17 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → seq𝑀( + , 𝐺):𝑍⟶ℝ)
4443, 35ffvelrnd 6317 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑚) ∈ ℝ)
4542, 44resubcld 10403 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) ∈ ℝ)
4635, 1syl6eleq 2714 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑚 ∈ (ℤ𝑀))
47 simprr 795 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛 ∈ (ℤ𝑚))
48 elfzuz 12277 . . . . . . . . . . . . . . . . . . . 20 (𝑘 ∈ (𝑀...𝑛) → 𝑘 ∈ (ℤ𝑀))
4948, 1syl6eleqr 2715 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ (𝑀...𝑛) → 𝑘𝑍)
50 fveq2 6150 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑚 = 𝑘 → (𝐹𝑚) = (𝐹𝑘))
51 fveq2 6150 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑚 = 𝑘 → (𝐺𝑚) = (𝐺𝑘))
5250, 51oveq12d 6623 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 = 𝑘 → ((𝐹𝑚) − (𝐺𝑚)) = ((𝐹𝑘) − (𝐺𝑘)))
53 eqid 2626 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))) = (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))
54 ovex 6633 . . . . . . . . . . . . . . . . . . . . . 22 ((𝐹𝑘) − (𝐺𝑘)) ∈ V
5552, 53, 54fvmpt 6240 . . . . . . . . . . . . . . . . . . . . 21 (𝑘𝑍 → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
5655adantl 482 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑘𝑍) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
5711, 23resubcld 10403 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑘𝑍) → ((𝐹𝑘) − (𝐺𝑘)) ∈ ℝ)
5856, 57eqeltrd 2704 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑘𝑍) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) ∈ ℝ)
5930, 49, 58syl2an 494 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) ∈ ℝ)
60 elfzuz 12277 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ ((𝑚 + 1)...𝑛) → 𝑘 ∈ (ℤ‘(𝑚 + 1)))
61 peano2uz 11685 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 ∈ (ℤ𝑁) → (𝑚 + 1) ∈ (ℤ𝑁))
6233, 61syl 17 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (𝑚 + 1) ∈ (ℤ𝑁))
6337uztrn2 11649 . . . . . . . . . . . . . . . . . . . . 21 (((𝑚 + 1) ∈ (ℤ𝑁) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 𝑘 ∈ (ℤ𝑁))
6462, 63sylan 488 . . . . . . . . . . . . . . . . . . . 20 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 𝑘 ∈ (ℤ𝑁))
65 cvgcmp.7 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑘 ∈ (ℤ𝑁)) → (𝐺𝑘) ≤ (𝐹𝑘))
661uztrn2 11649 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑁𝑍𝑘 ∈ (ℤ𝑁)) → 𝑘𝑍)
674, 66sylan 488 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑘 ∈ (ℤ𝑁)) → 𝑘𝑍)
6811, 23subge0d 10562 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑘𝑍) → (0 ≤ ((𝐹𝑘) − (𝐺𝑘)) ↔ (𝐺𝑘) ≤ (𝐹𝑘)))
6967, 68syldan 487 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑘 ∈ (ℤ𝑁)) → (0 ≤ ((𝐹𝑘) − (𝐺𝑘)) ↔ (𝐺𝑘) ≤ (𝐹𝑘)))
7065, 69mpbird 247 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ ((𝐹𝑘) − (𝐺𝑘)))
7167, 55syl 17 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑘 ∈ (ℤ𝑁)) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
7270, 71breqtrrd 4646 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7330, 72sylan 488 . . . . . . . . . . . . . . . . . . . 20 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ𝑁)) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7464, 73syldan 487 . . . . . . . . . . . . . . . . . . 19 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7560, 74sylan2 491 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7646, 47, 59, 75sermono 12770 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑚) ≤ (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑛))
77 elfzuz 12277 . . . . . . . . . . . . . . . . . . . 20 (𝑘 ∈ (𝑀...𝑚) → 𝑘 ∈ (ℤ𝑀))
7877, 1syl6eleqr 2715 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ (𝑀...𝑚) → 𝑘𝑍)
7911recnd 10013 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑘𝑍) → (𝐹𝑘) ∈ ℂ)
8030, 78, 79syl2an 494 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑚)) → (𝐹𝑘) ∈ ℂ)
8123recnd 10013 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑘𝑍) → (𝐺𝑘) ∈ ℂ)
8230, 78, 81syl2an 494 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑚)) → (𝐺𝑘) ∈ ℂ)
8330, 78, 56syl2an 494 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑚)) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
8446, 80, 82, 83sersub 12781 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑚) = ((seq𝑀( + , 𝐹)‘𝑚) − (seq𝑀( + , 𝐺)‘𝑚)))
8540, 1syl6eleq 2714 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛 ∈ (ℤ𝑀))
8630, 49, 79syl2an 494 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐹𝑘) ∈ ℂ)
8730, 49, 81syl2an 494 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐺𝑘) ∈ ℂ)
8830, 49, 56syl2an 494 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
8985, 86, 87, 88sersub 12781 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑛) = ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)))
9076, 84, 893brtr3d 4649 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐹)‘𝑚) − (seq𝑀( + , 𝐺)‘𝑚)) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)))
9141, 42resubcld 10403 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)) ∈ ℝ)
9236, 44, 91lesubaddd 10569 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (((seq𝑀( + , 𝐹)‘𝑚) − (seq𝑀( + , 𝐺)‘𝑚)) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)) ↔ (seq𝑀( + , 𝐹)‘𝑚) ≤ (((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)) + (seq𝑀( + , 𝐺)‘𝑚))))
9390, 92mpbid 222 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑚) ≤ (((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)) + (seq𝑀( + , 𝐺)‘𝑚)))
9441recnd 10013 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ)
9542recnd 10013 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
9644recnd 10013 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑚) ∈ ℂ)
9794, 95, 96subsubd 10365 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐹)‘𝑛) − ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) = (((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)) + (seq𝑀( + , 𝐺)‘𝑚)))
9893, 97breqtrrd 4646 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑚) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))))
9936, 41, 45, 98lesubd 10576 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)))
10041, 36resubcld 10403 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) ∈ ℝ)
101 rpre 11783 . . . . . . . . . . . . . . 15 (𝑥 ∈ ℝ+𝑥 ∈ ℝ)
102101ad2antlr 762 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑥 ∈ ℝ)
103 lelttr 10073 . . . . . . . . . . . . . 14 ((((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) ∈ ℝ ∧ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) ∈ ℝ ∧ 𝑥 ∈ ℝ) → ((((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) ∧ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) < 𝑥) → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) < 𝑥))
10445, 100, 102, 103syl3anc 1323 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) ∧ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) < 𝑥) → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) < 𝑥))
10599, 104mpand 710 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) < 𝑥 → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) < 𝑥))
10630, 49, 11syl2an 494 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐹𝑘) ∈ ℝ)
10760, 64sylan2 491 . . . . . . . . . . . . . . . 16 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 𝑘 ∈ (ℤ𝑁))
108 0red 9986 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ∈ ℝ)
10967, 23syldan 487 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → (𝐺𝑘) ∈ ℝ)
11067, 11syldan 487 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → (𝐹𝑘) ∈ ℝ)
111 cvgcmp.6 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐺𝑘))
112108, 109, 110, 111, 65letrd 10139 . . . . . . . . . . . . . . . . 17 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐹𝑘))
11330, 112sylan 488 . . . . . . . . . . . . . . . 16 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐹𝑘))
114107, 113syldan 487 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 0 ≤ (𝐹𝑘))
11546, 47, 106, 114sermono 12770 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑚) ≤ (seq𝑀( + , 𝐹)‘𝑛))
11636, 41, 115abssubge0d 14099 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) = ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)))
117116breq1d 4628 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥 ↔ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) < 𝑥))
11830, 49, 23syl2an 494 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐺𝑘) ∈ ℝ)
11930, 111sylan 488 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐺𝑘))
12064, 119syldan 487 . . . . . . . . . . . . . . . 16 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 0 ≤ (𝐺𝑘))
12160, 120sylan2 491 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 0 ≤ (𝐺𝑘))
12246, 47, 118, 121sermono 12770 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑚) ≤ (seq𝑀( + , 𝐺)‘𝑛))
12344, 42, 122abssubge0d 14099 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) = ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)))
124123breq1d 4628 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥 ↔ ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) < 𝑥))
125105, 117, 1243imtr4d 283 . . . . . . . . . . 11 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥 → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
126125anassrs 679 . . . . . . . . . 10 ((((𝜑𝑥 ∈ ℝ+) ∧ 𝑚 ∈ (ℤ𝑁)) ∧ 𝑛 ∈ (ℤ𝑚)) → ((abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥 → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
127126adantld 483 . . . . . . . . 9 ((((𝜑𝑥 ∈ ℝ+) ∧ 𝑚 ∈ (ℤ𝑁)) ∧ 𝑛 ∈ (ℤ𝑚)) → (((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
128127ralimdva 2961 . . . . . . . 8 (((𝜑𝑥 ∈ ℝ+) ∧ 𝑚 ∈ (ℤ𝑁)) → (∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) → ∀𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
129128reximdva 3016 . . . . . . 7 ((𝜑𝑥 ∈ ℝ+) → (∃𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) → ∃𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
13037r19.29uz 14019 . . . . . . 7 ((∀𝑛 ∈ (ℤ𝑁)(seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ ∃𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → ∃𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
13129, 129, 130syl6an 567 . . . . . 6 ((𝜑𝑥 ∈ ℝ+) → (∃𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) → ∃𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
132131ralimdva 2961 . . . . 5 (𝜑 → (∀𝑥 ∈ ℝ+𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) → ∀𝑥 ∈ ℝ+𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
1331, 37cau4 14025 . . . . . 6 (𝑁𝑍 → (∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) ↔ ∀𝑥 ∈ ℝ+𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)))
1344, 133syl 17 . . . . 5 (𝜑 → (∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) ↔ ∀𝑥 ∈ ℝ+𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)))
1351, 37cau4 14025 . . . . . 6 (𝑁𝑍 → (∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) ↔ ∀𝑥 ∈ ℝ+𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
1364, 135syl 17 . . . . 5 (𝜑 → (∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) ↔ ∀𝑥 ∈ ℝ+𝑚 ∈ (ℤ𝑁)∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
137132, 134, 1363imtr4d 283 . . . 4 (𝜑 → (∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥) → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
13820, 137mpd 15 . . 3 (𝜑 → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
1391uztrn2 11649 . . . . . . . 8 ((𝑚𝑍𝑛 ∈ (ℤ𝑚)) → 𝑛𝑍)
140 simpr 477 . . . . . . . . 9 (((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)
14125biantrurd 529 . . . . . . . . 9 ((𝜑𝑛𝑍) → ((abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥 ↔ ((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
142140, 141syl5ib 234 . . . . . . . 8 ((𝜑𝑛𝑍) → (((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → ((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
143139, 142sylan2 491 . . . . . . 7 ((𝜑 ∧ (𝑚𝑍𝑛 ∈ (ℤ𝑚))) → (((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → ((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
144143anassrs 679 . . . . . 6 (((𝜑𝑚𝑍) ∧ 𝑛 ∈ (ℤ𝑚)) → (((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → ((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
145144ralimdva 2961 . . . . 5 ((𝜑𝑚𝑍) → (∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → ∀𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
146145reximdva 3016 . . . 4 (𝜑 → (∃𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → ∃𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
147146ralimdv 2962 . . 3 (𝜑 → (∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)))
148138, 147mpd 15 . 2 (𝜑 → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)((seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
1491, 3, 148caurcvg2 14337 1 (𝜑 → seq𝑀( + , 𝐺) ∈ dom ⇝ )
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384   = wceq 1480  wcel 1992  wral 2912  wrex 2913  Vcvv 3191   class class class wbr 4618  cmpt 4678  dom cdm 5079  wf 5846  cfv 5850  (class class class)co 6605  cc 9879  cr 9880  0cc0 9881  1c1 9882   + caddc 9884   < clt 10019  cle 10020  cmin 10211  cz 11322  cuz 11631  +crp 11776  ...cfz 12265  seqcseq 12738  abscabs 13903  cli 14144
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1841  ax-6 1890  ax-7 1937  ax-8 1994  ax-9 2001  ax-10 2021  ax-11 2036  ax-12 2049  ax-13 2250  ax-ext 2606  ax-rep 4736  ax-sep 4746  ax-nul 4754  ax-pow 4808  ax-pr 4872  ax-un 6903  ax-inf2 8483  ax-cnex 9937  ax-resscn 9938  ax-1cn 9939  ax-icn 9940  ax-addcl 9941  ax-addrcl 9942  ax-mulcl 9943  ax-mulrcl 9944  ax-mulcom 9945  ax-addass 9946  ax-mulass 9947  ax-distr 9948  ax-i2m1 9949  ax-1ne0 9950  ax-1rid 9951  ax-rnegex 9952  ax-rrecex 9953  ax-cnre 9954  ax-pre-lttri 9955  ax-pre-lttrn 9956  ax-pre-ltadd 9957  ax-pre-mulgt0 9958  ax-pre-sup 9959
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1883  df-eu 2478  df-mo 2479  df-clab 2613  df-cleq 2619  df-clel 2622  df-nfc 2756  df-ne 2797  df-nel 2900  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3193  df-sbc 3423  df-csb 3520  df-dif 3563  df-un 3565  df-in 3567  df-ss 3574  df-pss 3576  df-nul 3897  df-if 4064  df-pw 4137  df-sn 4154  df-pr 4156  df-tp 4158  df-op 4160  df-uni 4408  df-iun 4492  df-br 4619  df-opab 4679  df-mpt 4680  df-tr 4718  df-eprel 4990  df-id 4994  df-po 5000  df-so 5001  df-fr 5038  df-we 5040  df-xp 5085  df-rel 5086  df-cnv 5087  df-co 5088  df-dm 5089  df-rn 5090  df-res 5091  df-ima 5092  df-pred 5642  df-ord 5688  df-on 5689  df-lim 5690  df-suc 5691  df-iota 5813  df-fun 5852  df-fn 5853  df-f 5854  df-f1 5855  df-fo 5856  df-f1o 5857  df-fv 5858  df-riota 6566  df-ov 6608  df-oprab 6609  df-mpt2 6610  df-om 7014  df-1st 7116  df-2nd 7117  df-wrecs 7353  df-recs 7414  df-rdg 7452  df-er 7688  df-pm 7806  df-en 7901  df-dom 7902  df-sdom 7903  df-sup 8293  df-inf 8294  df-pnf 10021  df-mnf 10022  df-xr 10023  df-ltxr 10024  df-le 10025  df-sub 10213  df-neg 10214  df-div 10630  df-nn 10966  df-2 11024  df-3 11025  df-n0 11238  df-z 11323  df-uz 11632  df-rp 11777  df-ico 12120  df-fz 12266  df-fzo 12404  df-fl 12530  df-seq 12739  df-exp 12798  df-cj 13768  df-re 13769  df-im 13770  df-sqrt 13904  df-abs 13905  df-limsup 14131  df-clim 14148  df-rlim 14149
This theorem is referenced by:  cvgcmpce  14472  rpnnen2lem5  14867  aaliou3lem3  23998
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