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Theorem cvgcmp 14592
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 12843 . . 3 seq𝑀( + , 𝐺) ∈ V
32a1i 11 . 2 (𝜑 → seq𝑀( + , 𝐺) ∈ V)
4 cvgcmp.2 . . . . . . . 8 (𝜑𝑁𝑍)
54, 1syl6eleq 2740 . . . . . . 7 (𝜑𝑁 ∈ (ℤ𝑀))
6 eluzel2 11730 . . . . . . 7 (𝑁 ∈ (ℤ𝑀) → 𝑀 ∈ ℤ)
75, 6syl 17 . . . . . 6 (𝜑𝑀 ∈ ℤ)
8 cvgcmp.5 . . . . . 6 (𝜑 → seq𝑀( + , 𝐹) ∈ dom ⇝ )
91climcau 14445 . . . . . 6 ((𝑀 ∈ ℤ ∧ seq𝑀( + , 𝐹) ∈ dom ⇝ ) → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)
107, 8, 9syl2anc 694 . . . . 5 (𝜑 → ∀𝑥 ∈ ℝ+𝑚𝑍𝑛 ∈ (ℤ𝑚)(abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥)
11 cvgcmp.3 . . . . . . . . . . 11 ((𝜑𝑘𝑍) → (𝐹𝑘) ∈ ℝ)
121, 7, 11serfre 12870 . . . . . . . . . 10 (𝜑 → seq𝑀( + , 𝐹):𝑍⟶ℝ)
1312ffvelrnda 6399 . . . . . . . . 9 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℝ)
1413recnd 10106 . . . . . . . 8 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ)
1514ralrimiva 2995 . . . . . . 7 (𝜑 → ∀𝑛𝑍 (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ)
161r19.29uz 14134 . . . . . . . 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 449 . . . . . . 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 2992 . . . . 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 11743 . . . . . . . . . . 11 ((𝑁𝑍𝑛 ∈ (ℤ𝑁)) → 𝑛𝑍)
224, 21sylan 487 . . . . . . . . . 10 ((𝜑𝑛 ∈ (ℤ𝑁)) → 𝑛𝑍)
23 cvgcmp.4 . . . . . . . . . . . . 13 ((𝜑𝑘𝑍) → (𝐺𝑘) ∈ ℝ)
241, 7, 23serfre 12870 . . . . . . . . . . . 12 (𝜑 → seq𝑀( + , 𝐺):𝑍⟶ℝ)
2524ffvelrnda 6399 . . . . . . . . . . 11 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℝ)
2625recnd 10106 . . . . . . . . . 10 ((𝜑𝑛𝑍) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
2722, 26syldan 486 . . . . . . . . 9 ((𝜑𝑛 ∈ (ℤ𝑁)) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
2827ralrimiva 2995 . . . . . . . 8 (𝜑 → ∀𝑛 ∈ (ℤ𝑁)(seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
2928adantr 480 . . . . . . 7 ((𝜑𝑥 ∈ ℝ+) → ∀𝑛 ∈ (ℤ𝑁)(seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
30 simpll 805 . . . . . . . . . . . . . . . 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 809 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑚 ∈ (ℤ𝑁))
341uztrn2 11743 . . . . . . . . . . . . . . . 16 ((𝑁𝑍𝑚 ∈ (ℤ𝑁)) → 𝑚𝑍)
3532, 33, 34syl2anc 694 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑚𝑍)
3631, 35ffvelrnd 6400 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑚) ∈ ℝ)
37 eqid 2651 . . . . . . . . . . . . . . . . . 18 (ℤ𝑁) = (ℤ𝑁)
3837uztrn2 11743 . . . . . . . . . . . . . . . . 17 ((𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚)) → 𝑛 ∈ (ℤ𝑁))
3938adantl 481 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛 ∈ (ℤ𝑁))
4032, 39, 21syl2anc 694 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛𝑍)
4130, 40, 13syl2anc 694 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℝ)
4230, 40, 25syl2anc 694 . . . . . . . . . . . . . . 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 6400 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑚) ∈ ℝ)
4542, 44resubcld 10496 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) ∈ ℝ)
4635, 1syl6eleq 2740 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑚 ∈ (ℤ𝑀))
47 simprr 811 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛 ∈ (ℤ𝑚))
48 elfzuz 12376 . . . . . . . . . . . . . . . . . . . 20 (𝑘 ∈ (𝑀...𝑛) → 𝑘 ∈ (ℤ𝑀))
4948, 1syl6eleqr 2741 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ (𝑀...𝑛) → 𝑘𝑍)
50 fveq2 6229 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑚 = 𝑘 → (𝐹𝑚) = (𝐹𝑘))
51 fveq2 6229 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑚 = 𝑘 → (𝐺𝑚) = (𝐺𝑘))
5250, 51oveq12d 6708 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 = 𝑘 → ((𝐹𝑚) − (𝐺𝑚)) = ((𝐹𝑘) − (𝐺𝑘)))
53 eqid 2651 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))) = (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))
54 ovex 6718 . . . . . . . . . . . . . . . . . . . . . 22 ((𝐹𝑘) − (𝐺𝑘)) ∈ V
5552, 53, 54fvmpt 6321 . . . . . . . . . . . . . . . . . . . . 21 (𝑘𝑍 → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
5655adantl 481 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑘𝑍) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
5711, 23resubcld 10496 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑘𝑍) → ((𝐹𝑘) − (𝐺𝑘)) ∈ ℝ)
5856, 57eqeltrd 2730 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑘𝑍) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) ∈ ℝ)
5930, 49, 58syl2an 493 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) ∈ ℝ)
60 elfzuz 12376 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ ((𝑚 + 1)...𝑛) → 𝑘 ∈ (ℤ‘(𝑚 + 1)))
61 peano2uz 11779 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 ∈ (ℤ𝑁) → (𝑚 + 1) ∈ (ℤ𝑁))
6233, 61syl 17 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (𝑚 + 1) ∈ (ℤ𝑁))
6337uztrn2 11743 . . . . . . . . . . . . . . . . . . . . 21 (((𝑚 + 1) ∈ (ℤ𝑁) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 𝑘 ∈ (ℤ𝑁))
6462, 63sylan 487 . . . . . . . . . . . . . . . . . . . 20 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 𝑘 ∈ (ℤ𝑁))
65 cvgcmp.7 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑘 ∈ (ℤ𝑁)) → (𝐺𝑘) ≤ (𝐹𝑘))
661uztrn2 11743 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑁𝑍𝑘 ∈ (ℤ𝑁)) → 𝑘𝑍)
674, 66sylan 487 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑘 ∈ (ℤ𝑁)) → 𝑘𝑍)
6811, 23subge0d 10655 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑘𝑍) → (0 ≤ ((𝐹𝑘) − (𝐺𝑘)) ↔ (𝐺𝑘) ≤ (𝐹𝑘)))
6967, 68syldan 486 . . . . . . . . . . . . . . . . . . . . . . 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 4713 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7330, 72sylan 487 . . . . . . . . . . . . . . . . . . . 20 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ𝑁)) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7464, 73syldan 486 . . . . . . . . . . . . . . . . . . 19 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7560, 74sylan2 490 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 0 ≤ ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘))
7646, 47, 59, 75sermono 12873 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑚) ≤ (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑛))
77 elfzuz 12376 . . . . . . . . . . . . . . . . . . . 20 (𝑘 ∈ (𝑀...𝑚) → 𝑘 ∈ (ℤ𝑀))
7877, 1syl6eleqr 2741 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ (𝑀...𝑚) → 𝑘𝑍)
7911recnd 10106 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑘𝑍) → (𝐹𝑘) ∈ ℂ)
8030, 78, 79syl2an 493 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑚)) → (𝐹𝑘) ∈ ℂ)
8123recnd 10106 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑘𝑍) → (𝐺𝑘) ∈ ℂ)
8230, 78, 81syl2an 493 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑚)) → (𝐺𝑘) ∈ ℂ)
8330, 78, 56syl2an 493 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑚)) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
8446, 80, 82, 83sersub 12884 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑚) = ((seq𝑀( + , 𝐹)‘𝑚) − (seq𝑀( + , 𝐺)‘𝑚)))
8540, 1syl6eleq 2740 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑛 ∈ (ℤ𝑀))
8630, 49, 79syl2an 493 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐹𝑘) ∈ ℂ)
8730, 49, 81syl2an 493 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐺𝑘) ∈ ℂ)
8830, 49, 56syl2an 493 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → ((𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚)))‘𝑘) = ((𝐹𝑘) − (𝐺𝑘)))
8985, 86, 87, 88sersub 12884 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , (𝑚𝑍 ↦ ((𝐹𝑚) − (𝐺𝑚))))‘𝑛) = ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)))
9076, 84, 893brtr3d 4716 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐹)‘𝑚) − (seq𝑀( + , 𝐺)‘𝑚)) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)))
9141, 42resubcld 10496 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑛)) ∈ ℝ)
9236, 44, 91lesubaddd 10662 . . . . . . . . . . . . . . . 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 10106 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑛) ∈ ℂ)
9542recnd 10106 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ)
9644recnd 10106 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑚) ∈ ℂ)
9794, 95, 96subsubd 10458 . . . . . . . . . . . . . . 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 4713 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑚) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))))
9936, 41, 45, 98lesubd 10669 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) ≤ ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)))
10041, 36resubcld 10496 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) ∈ ℝ)
101 rpre 11877 . . . . . . . . . . . . . . 15 (𝑥 ∈ ℝ+𝑥 ∈ ℝ)
102101ad2antlr 763 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → 𝑥 ∈ ℝ)
103 lelttr 10166 . . . . . . . . . . . . . 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 1366 . . . . . . . . . . . . 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 711 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)) < 𝑥 → ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)) < 𝑥))
10630, 49, 11syl2an 493 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐹𝑘) ∈ ℝ)
10760, 64sylan2 490 . . . . . . . . . . . . . . . 16 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 𝑘 ∈ (ℤ𝑁))
108 0red 10079 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ∈ ℝ)
10967, 23syldan 486 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → (𝐺𝑘) ∈ ℝ)
11067, 11syldan 486 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → (𝐹𝑘) ∈ ℝ)
111 cvgcmp.6 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐺𝑘))
112108, 109, 110, 111, 65letrd 10232 . . . . . . . . . . . . . . . . 17 ((𝜑𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐹𝑘))
11330, 112sylan 487 . . . . . . . . . . . . . . . 16 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐹𝑘))
114107, 113syldan 486 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 0 ≤ (𝐹𝑘))
11546, 47, 106, 114sermono 12873 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐹)‘𝑚) ≤ (seq𝑀( + , 𝐹)‘𝑛))
11636, 41, 115abssubge0d 14214 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) = ((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚)))
117116breq1d 4695 . . . . . . . . . . . 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 493 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (𝑀...𝑛)) → (𝐺𝑘) ∈ ℝ)
11930, 111sylan 487 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ𝑁)) → 0 ≤ (𝐺𝑘))
12064, 119syldan 486 . . . . . . . . . . . . . . . 16 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ (ℤ‘(𝑚 + 1))) → 0 ≤ (𝐺𝑘))
12160, 120sylan2 490 . . . . . . . . . . . . . . 15 ((((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) ∧ 𝑘 ∈ ((𝑚 + 1)...𝑛)) → 0 ≤ (𝐺𝑘))
12246, 47, 118, 121sermono 12873 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (seq𝑀( + , 𝐺)‘𝑚) ≤ (seq𝑀( + , 𝐺)‘𝑛))
12344, 42, 122abssubge0d 14214 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ ℝ+) ∧ (𝑚 ∈ (ℤ𝑁) ∧ 𝑛 ∈ (ℤ𝑚))) → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) = ((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚)))
124123breq1d 4695 . . . . . . . . . . . 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 681 . . . . . . . . . 10 ((((𝜑𝑥 ∈ ℝ+) ∧ 𝑚 ∈ (ℤ𝑁)) ∧ 𝑛 ∈ (ℤ𝑚)) → ((abs‘((seq𝑀( + , 𝐹)‘𝑛) − (seq𝑀( + , 𝐹)‘𝑚))) < 𝑥 → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥))
127126adantld 482 . . . . . . . . 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 2991 . . . . . . . 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 3046 . . . . . . 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 14134 . . . . . . 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 2991 . . . . 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 14140 . . . . . 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 14140 . . . . . 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 11743 . . . . . . . 8 ((𝑚𝑍𝑛 ∈ (ℤ𝑚)) → 𝑛𝑍)
140 simpr 476 . . . . . . . . 9 (((seq𝑀( + , 𝐺)‘𝑛) ∈ ℂ ∧ (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥) → (abs‘((seq𝑀( + , 𝐺)‘𝑛) − (seq𝑀( + , 𝐺)‘𝑚))) < 𝑥)
14125biantrurd 528 . . . . . . . . 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 490 . . . . . . 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 681 . . . . . 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 2991 . . . . 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 3046 . . . 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 2992 . . 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 14452 1 (𝜑 → seq𝑀( + , 𝐺) ∈ dom ⇝ )
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 383   = wceq 1523  wcel 2030  wral 2941  wrex 2942  Vcvv 3231   class class class wbr 4685  cmpt 4762  dom cdm 5143  wf 5922  cfv 5926  (class class class)co 6690  cc 9972  cr 9973  0cc0 9974  1c1 9975   + caddc 9977   < clt 10112  cle 10113  cmin 10304  cz 11415  cuz 11725  +crp 11870  ...cfz 12364  seqcseq 12841  abscabs 14018  cli 14259
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  ax-inf2 8576  ax-cnex 10030  ax-resscn 10031  ax-1cn 10032  ax-icn 10033  ax-addcl 10034  ax-addrcl 10035  ax-mulcl 10036  ax-mulrcl 10037  ax-mulcom 10038  ax-addass 10039  ax-mulass 10040  ax-distr 10041  ax-i2m1 10042  ax-1ne0 10043  ax-1rid 10044  ax-rnegex 10045  ax-rrecex 10046  ax-cnre 10047  ax-pre-lttri 10048  ax-pre-lttrn 10049  ax-pre-ltadd 10050  ax-pre-mulgt0 10051  ax-pre-sup 10052
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1055  df-3an 1056  df-tru 1526  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-nel 2927  df-ral 2946  df-rex 2947  df-reu 2948  df-rmo 2949  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-pss 3623  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-tp 4215  df-op 4217  df-uni 4469  df-iun 4554  df-br 4686  df-opab 4746  df-mpt 4763  df-tr 4786  df-id 5053  df-eprel 5058  df-po 5064  df-so 5065  df-fr 5102  df-we 5104  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-pred 5718  df-ord 5764  df-on 5765  df-lim 5766  df-suc 5767  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-riota 6651  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-om 7108  df-1st 7210  df-2nd 7211  df-wrecs 7452  df-recs 7513  df-rdg 7551  df-er 7787  df-pm 7902  df-en 7998  df-dom 7999  df-sdom 8000  df-sup 8389  df-inf 8390  df-pnf 10114  df-mnf 10115  df-xr 10116  df-ltxr 10117  df-le 10118  df-sub 10306  df-neg 10307  df-div 10723  df-nn 11059  df-2 11117  df-3 11118  df-n0 11331  df-z 11416  df-uz 11726  df-rp 11871  df-ico 12219  df-fz 12365  df-fzo 12505  df-fl 12633  df-seq 12842  df-exp 12901  df-cj 13883  df-re 13884  df-im 13885  df-sqrt 14019  df-abs 14020  df-limsup 14246  df-clim 14263  df-rlim 14264
This theorem is referenced by:  cvgcmpce  14594  rpnnen2lem5  14991  aaliou3lem3  24144
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