Mathbox for Glauco Siliprandi < Previous   Next > Nearby theorems Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  monoordxrv Structured version   Visualization version   GIF version

Theorem monoordxrv 40206
 Description: Ordering relation for a monotonic sequence, increasing case. (Contributed by Glauco Siliprandi, 13-Feb-2022.)
Hypotheses
Ref Expression
monoordxrv.1 (𝜑𝑁 ∈ (ℤ𝑀))
monoordxrv.2 ((𝜑𝑘 ∈ (𝑀...𝑁)) → (𝐹𝑘) ∈ ℝ*)
monoordxrv.3 ((𝜑𝑘 ∈ (𝑀...(𝑁 − 1))) → (𝐹𝑘) ≤ (𝐹‘(𝑘 + 1)))
Assertion
Ref Expression
monoordxrv (𝜑 → (𝐹𝑀) ≤ (𝐹𝑁))
Distinct variable groups:   𝑘,𝐹   𝑘,𝑀   𝑘,𝑁   𝜑,𝑘

Proof of Theorem monoordxrv
Dummy variables 𝑛 𝑥 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 monoordxrv.1 . . 3 (𝜑𝑁 ∈ (ℤ𝑀))
2 eluzfz2 12538 . . 3 (𝑁 ∈ (ℤ𝑀) → 𝑁 ∈ (𝑀...𝑁))
31, 2syl 17 . 2 (𝜑𝑁 ∈ (𝑀...𝑁))
4 eleq1 2823 . . . . . 6 (𝑥 = 𝑀 → (𝑥 ∈ (𝑀...𝑁) ↔ 𝑀 ∈ (𝑀...𝑁)))
5 fveq2 6348 . . . . . . 7 (𝑥 = 𝑀 → (𝐹𝑥) = (𝐹𝑀))
65breq2d 4812 . . . . . 6 (𝑥 = 𝑀 → ((𝐹𝑀) ≤ (𝐹𝑥) ↔ (𝐹𝑀) ≤ (𝐹𝑀)))
74, 6imbi12d 333 . . . . 5 (𝑥 = 𝑀 → ((𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥)) ↔ (𝑀 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑀))))
87imbi2d 329 . . . 4 (𝑥 = 𝑀 → ((𝜑 → (𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥))) ↔ (𝜑 → (𝑀 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑀)))))
9 eleq1 2823 . . . . . 6 (𝑥 = 𝑛 → (𝑥 ∈ (𝑀...𝑁) ↔ 𝑛 ∈ (𝑀...𝑁)))
10 fveq2 6348 . . . . . . 7 (𝑥 = 𝑛 → (𝐹𝑥) = (𝐹𝑛))
1110breq2d 4812 . . . . . 6 (𝑥 = 𝑛 → ((𝐹𝑀) ≤ (𝐹𝑥) ↔ (𝐹𝑀) ≤ (𝐹𝑛)))
129, 11imbi12d 333 . . . . 5 (𝑥 = 𝑛 → ((𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥)) ↔ (𝑛 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛))))
1312imbi2d 329 . . . 4 (𝑥 = 𝑛 → ((𝜑 → (𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥))) ↔ (𝜑 → (𝑛 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛)))))
14 eleq1 2823 . . . . . 6 (𝑥 = (𝑛 + 1) → (𝑥 ∈ (𝑀...𝑁) ↔ (𝑛 + 1) ∈ (𝑀...𝑁)))
15 fveq2 6348 . . . . . . 7 (𝑥 = (𝑛 + 1) → (𝐹𝑥) = (𝐹‘(𝑛 + 1)))
1615breq2d 4812 . . . . . 6 (𝑥 = (𝑛 + 1) → ((𝐹𝑀) ≤ (𝐹𝑥) ↔ (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1))))
1714, 16imbi12d 333 . . . . 5 (𝑥 = (𝑛 + 1) → ((𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥)) ↔ ((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1)))))
1817imbi2d 329 . . . 4 (𝑥 = (𝑛 + 1) → ((𝜑 → (𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥))) ↔ (𝜑 → ((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1))))))
19 eleq1 2823 . . . . . 6 (𝑥 = 𝑁 → (𝑥 ∈ (𝑀...𝑁) ↔ 𝑁 ∈ (𝑀...𝑁)))
20 fveq2 6348 . . . . . . 7 (𝑥 = 𝑁 → (𝐹𝑥) = (𝐹𝑁))
2120breq2d 4812 . . . . . 6 (𝑥 = 𝑁 → ((𝐹𝑀) ≤ (𝐹𝑥) ↔ (𝐹𝑀) ≤ (𝐹𝑁)))
2219, 21imbi12d 333 . . . . 5 (𝑥 = 𝑁 → ((𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥)) ↔ (𝑁 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑁))))
2322imbi2d 329 . . . 4 (𝑥 = 𝑁 → ((𝜑 → (𝑥 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑥))) ↔ (𝜑 → (𝑁 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑁)))))
24 eluzfz1 12537 . . . . . . . . 9 (𝑁 ∈ (ℤ𝑀) → 𝑀 ∈ (𝑀...𝑁))
251, 24syl 17 . . . . . . . 8 (𝜑𝑀 ∈ (𝑀...𝑁))
26 monoordxrv.2 . . . . . . . . 9 ((𝜑𝑘 ∈ (𝑀...𝑁)) → (𝐹𝑘) ∈ ℝ*)
2726ralrimiva 3100 . . . . . . . 8 (𝜑 → ∀𝑘 ∈ (𝑀...𝑁)(𝐹𝑘) ∈ ℝ*)
28 fveq2 6348 . . . . . . . . . 10 (𝑘 = 𝑀 → (𝐹𝑘) = (𝐹𝑀))
2928eleq1d 2820 . . . . . . . . 9 (𝑘 = 𝑀 → ((𝐹𝑘) ∈ ℝ* ↔ (𝐹𝑀) ∈ ℝ*))
3029rspcv 3441 . . . . . . . 8 (𝑀 ∈ (𝑀...𝑁) → (∀𝑘 ∈ (𝑀...𝑁)(𝐹𝑘) ∈ ℝ* → (𝐹𝑀) ∈ ℝ*))
3125, 27, 30sylc 65 . . . . . . 7 (𝜑 → (𝐹𝑀) ∈ ℝ*)
3231xrleidd 40104 . . . . . 6 (𝜑 → (𝐹𝑀) ≤ (𝐹𝑀))
3332a1d 25 . . . . 5 (𝜑 → (𝑀 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑀)))
3433a1i 11 . . . 4 (𝑀 ∈ ℤ → (𝜑 → (𝑀 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑀))))
35 simprl 811 . . . . . . . . . 10 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → 𝑛 ∈ (ℤ𝑀))
36 simprr 813 . . . . . . . . . 10 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → (𝑛 + 1) ∈ (𝑀...𝑁))
37 peano2fzr 12543 . . . . . . . . . 10 ((𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁)) → 𝑛 ∈ (𝑀...𝑁))
3835, 36, 37syl2anc 696 . . . . . . . . 9 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → 𝑛 ∈ (𝑀...𝑁))
3938expr 644 . . . . . . . 8 ((𝜑𝑛 ∈ (ℤ𝑀)) → ((𝑛 + 1) ∈ (𝑀...𝑁) → 𝑛 ∈ (𝑀...𝑁)))
4039imim1d 82 . . . . . . 7 ((𝜑𝑛 ∈ (ℤ𝑀)) → ((𝑛 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛)) → ((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛))))
41 eluzelz 11885 . . . . . . . . . . . . . 14 (𝑛 ∈ (ℤ𝑀) → 𝑛 ∈ ℤ)
4235, 41syl 17 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → 𝑛 ∈ ℤ)
43 elfzuz3 12528 . . . . . . . . . . . . . 14 ((𝑛 + 1) ∈ (𝑀...𝑁) → 𝑁 ∈ (ℤ‘(𝑛 + 1)))
4436, 43syl 17 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → 𝑁 ∈ (ℤ‘(𝑛 + 1)))
45 eluzp1m1 11899 . . . . . . . . . . . . 13 ((𝑛 ∈ ℤ ∧ 𝑁 ∈ (ℤ‘(𝑛 + 1))) → (𝑁 − 1) ∈ (ℤ𝑛))
4642, 44, 45syl2anc 696 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → (𝑁 − 1) ∈ (ℤ𝑛))
47 elfzuzb 12525 . . . . . . . . . . . 12 (𝑛 ∈ (𝑀...(𝑁 − 1)) ↔ (𝑛 ∈ (ℤ𝑀) ∧ (𝑁 − 1) ∈ (ℤ𝑛)))
4835, 46, 47sylanbrc 701 . . . . . . . . . . 11 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → 𝑛 ∈ (𝑀...(𝑁 − 1)))
49 monoordxrv.3 . . . . . . . . . . . . 13 ((𝜑𝑘 ∈ (𝑀...(𝑁 − 1))) → (𝐹𝑘) ≤ (𝐹‘(𝑘 + 1)))
5049ralrimiva 3100 . . . . . . . . . . . 12 (𝜑 → ∀𝑘 ∈ (𝑀...(𝑁 − 1))(𝐹𝑘) ≤ (𝐹‘(𝑘 + 1)))
5150adantr 472 . . . . . . . . . . 11 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → ∀𝑘 ∈ (𝑀...(𝑁 − 1))(𝐹𝑘) ≤ (𝐹‘(𝑘 + 1)))
52 fveq2 6348 . . . . . . . . . . . . 13 (𝑘 = 𝑛 → (𝐹𝑘) = (𝐹𝑛))
53 oveq1 6816 . . . . . . . . . . . . . 14 (𝑘 = 𝑛 → (𝑘 + 1) = (𝑛 + 1))
5453fveq2d 6352 . . . . . . . . . . . . 13 (𝑘 = 𝑛 → (𝐹‘(𝑘 + 1)) = (𝐹‘(𝑛 + 1)))
5552, 54breq12d 4813 . . . . . . . . . . . 12 (𝑘 = 𝑛 → ((𝐹𝑘) ≤ (𝐹‘(𝑘 + 1)) ↔ (𝐹𝑛) ≤ (𝐹‘(𝑛 + 1))))
5655rspcv 3441 . . . . . . . . . . 11 (𝑛 ∈ (𝑀...(𝑁 − 1)) → (∀𝑘 ∈ (𝑀...(𝑁 − 1))(𝐹𝑘) ≤ (𝐹‘(𝑘 + 1)) → (𝐹𝑛) ≤ (𝐹‘(𝑛 + 1))))
5748, 51, 56sylc 65 . . . . . . . . . 10 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → (𝐹𝑛) ≤ (𝐹‘(𝑛 + 1)))
5831adantr 472 . . . . . . . . . . 11 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → (𝐹𝑀) ∈ ℝ*)
5927adantr 472 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → ∀𝑘 ∈ (𝑀...𝑁)(𝐹𝑘) ∈ ℝ*)
6052eleq1d 2820 . . . . . . . . . . . . 13 (𝑘 = 𝑛 → ((𝐹𝑘) ∈ ℝ* ↔ (𝐹𝑛) ∈ ℝ*))
6160rspcv 3441 . . . . . . . . . . . 12 (𝑛 ∈ (𝑀...𝑁) → (∀𝑘 ∈ (𝑀...𝑁)(𝐹𝑘) ∈ ℝ* → (𝐹𝑛) ∈ ℝ*))
6238, 59, 61sylc 65 . . . . . . . . . . 11 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → (𝐹𝑛) ∈ ℝ*)
63 fveq2 6348 . . . . . . . . . . . . . 14 (𝑘 = (𝑛 + 1) → (𝐹𝑘) = (𝐹‘(𝑛 + 1)))
6463eleq1d 2820 . . . . . . . . . . . . 13 (𝑘 = (𝑛 + 1) → ((𝐹𝑘) ∈ ℝ* ↔ (𝐹‘(𝑛 + 1)) ∈ ℝ*))
6564rspcv 3441 . . . . . . . . . . . 12 ((𝑛 + 1) ∈ (𝑀...𝑁) → (∀𝑘 ∈ (𝑀...𝑁)(𝐹𝑘) ∈ ℝ* → (𝐹‘(𝑛 + 1)) ∈ ℝ*))
6636, 59, 65sylc 65 . . . . . . . . . . 11 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → (𝐹‘(𝑛 + 1)) ∈ ℝ*)
67 xrletr 12178 . . . . . . . . . . 11 (((𝐹𝑀) ∈ ℝ* ∧ (𝐹𝑛) ∈ ℝ* ∧ (𝐹‘(𝑛 + 1)) ∈ ℝ*) → (((𝐹𝑀) ≤ (𝐹𝑛) ∧ (𝐹𝑛) ≤ (𝐹‘(𝑛 + 1))) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1))))
6858, 62, 66, 67syl3anc 1477 . . . . . . . . . 10 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → (((𝐹𝑀) ≤ (𝐹𝑛) ∧ (𝐹𝑛) ≤ (𝐹‘(𝑛 + 1))) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1))))
6957, 68mpan2d 712 . . . . . . . . 9 ((𝜑 ∧ (𝑛 ∈ (ℤ𝑀) ∧ (𝑛 + 1) ∈ (𝑀...𝑁))) → ((𝐹𝑀) ≤ (𝐹𝑛) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1))))
7069expr 644 . . . . . . . 8 ((𝜑𝑛 ∈ (ℤ𝑀)) → ((𝑛 + 1) ∈ (𝑀...𝑁) → ((𝐹𝑀) ≤ (𝐹𝑛) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1)))))
7170a2d 29 . . . . . . 7 ((𝜑𝑛 ∈ (ℤ𝑀)) → (((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛)) → ((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1)))))
7240, 71syld 47 . . . . . 6 ((𝜑𝑛 ∈ (ℤ𝑀)) → ((𝑛 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛)) → ((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1)))))
7372expcom 450 . . . . 5 (𝑛 ∈ (ℤ𝑀) → (𝜑 → ((𝑛 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛)) → ((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1))))))
7473a2d 29 . . . 4 (𝑛 ∈ (ℤ𝑀) → ((𝜑 → (𝑛 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑛))) → (𝜑 → ((𝑛 + 1) ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹‘(𝑛 + 1))))))
758, 13, 18, 23, 34, 74uzind4 11935 . . 3 (𝑁 ∈ (ℤ𝑀) → (𝜑 → (𝑁 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑁))))
761, 75mpcom 38 . 2 (𝜑 → (𝑁 ∈ (𝑀...𝑁) → (𝐹𝑀) ≤ (𝐹𝑁)))
773, 76mpd 15 1 (𝜑 → (𝐹𝑀) ≤ (𝐹𝑁))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ∧ wa 383   = wceq 1628   ∈ wcel 2135  ∀wral 3046   class class class wbr 4800  ‘cfv 6045  (class class class)co 6809  1c1 10125   + caddc 10127  ℝ*cxr 10261   ≤ cle 10263   − cmin 10454  ℤcz 11565  ℤ≥cuz 11875  ...cfz 12515 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1867  ax-4 1882  ax-5 1984  ax-6 2050  ax-7 2086  ax-8 2137  ax-9 2144  ax-10 2164  ax-11 2179  ax-12 2192  ax-13 2387  ax-ext 2736  ax-sep 4929  ax-nul 4937  ax-pow 4988  ax-pr 5051  ax-un 7110  ax-cnex 10180  ax-resscn 10181  ax-1cn 10182  ax-icn 10183  ax-addcl 10184  ax-addrcl 10185  ax-mulcl 10186  ax-mulrcl 10187  ax-mulcom 10188  ax-addass 10189  ax-mulass 10190  ax-distr 10191  ax-i2m1 10192  ax-1ne0 10193  ax-1rid 10194  ax-rnegex 10195  ax-rrecex 10196  ax-cnre 10197  ax-pre-lttri 10198  ax-pre-lttrn 10199  ax-pre-ltadd 10200  ax-pre-mulgt0 10201 This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1631  df-ex 1850  df-nf 1855  df-sb 2043  df-eu 2607  df-mo 2608  df-clab 2743  df-cleq 2749  df-clel 2752  df-nfc 2887  df-ne 2929  df-nel 3032  df-ral 3051  df-rex 3052  df-reu 3053  df-rab 3055  df-v 3338  df-sbc 3573  df-csb 3671  df-dif 3714  df-un 3716  df-in 3718  df-ss 3725  df-pss 3727  df-nul 4055  df-if 4227  df-pw 4300  df-sn 4318  df-pr 4320  df-tp 4322  df-op 4324  df-uni 4585  df-iun 4670  df-br 4801  df-opab 4861  df-mpt 4878  df-tr 4901  df-id 5170  df-eprel 5175  df-po 5183  df-so 5184  df-fr 5221  df-we 5223  df-xp 5268  df-rel 5269  df-cnv 5270  df-co 5271  df-dm 5272  df-rn 5273  df-res 5274  df-ima 5275  df-pred 5837  df-ord 5883  df-on 5884  df-lim 5885  df-suc 5886  df-iota 6008  df-fun 6047  df-fn 6048  df-f 6049  df-f1 6050  df-fo 6051  df-f1o 6052  df-fv 6053  df-riota 6770  df-ov 6812  df-oprab 6813  df-mpt2 6814  df-om 7227  df-1st 7329  df-2nd 7330  df-wrecs 7572  df-recs 7633  df-rdg 7671  df-er 7907  df-en 8118  df-dom 8119  df-sdom 8120  df-pnf 10264  df-mnf 10265  df-xr 10266  df-ltxr 10267  df-le 10268  df-sub 10456  df-neg 10457  df-nn 11209  df-n0 11481  df-z 11566  df-uz 11876  df-fz 12516 This theorem is referenced by:  monoordxr  40207  monoord2xrv  40208
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