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Theorem fourierdlem34 40676
Description: A partition is one to one. (Contributed by Glauco Siliprandi, 11-Dec-2019.)
Hypotheses
Ref Expression
fourierdlem34.p 𝑃 = (𝑚 ∈ ℕ ↦ {𝑝 ∈ (ℝ ↑𝑚 (0...𝑚)) ∣ (((𝑝‘0) = 𝐴 ∧ (𝑝𝑚) = 𝐵) ∧ ∀𝑖 ∈ (0..^𝑚)(𝑝𝑖) < (𝑝‘(𝑖 + 1)))})
fourierdlem34.m (𝜑𝑀 ∈ ℕ)
fourierdlem34.q (𝜑𝑄 ∈ (𝑃𝑀))
Assertion
Ref Expression
fourierdlem34 (𝜑𝑄:(0...𝑀)–1-1→ℝ)
Distinct variable groups:   𝐴,𝑚,𝑝   𝐵,𝑚,𝑝   𝑖,𝑀,𝑚,𝑝   𝑄,𝑖,𝑝   𝜑,𝑖
Allowed substitution hints:   𝜑(𝑚,𝑝)   𝐴(𝑖)   𝐵(𝑖)   𝑃(𝑖,𝑚,𝑝)   𝑄(𝑚)

Proof of Theorem fourierdlem34
Dummy variables 𝑗 𝑘 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fourierdlem34.q . . . . 5 (𝜑𝑄 ∈ (𝑃𝑀))
2 fourierdlem34.m . . . . . 6 (𝜑𝑀 ∈ ℕ)
3 fourierdlem34.p . . . . . . 7 𝑃 = (𝑚 ∈ ℕ ↦ {𝑝 ∈ (ℝ ↑𝑚 (0...𝑚)) ∣ (((𝑝‘0) = 𝐴 ∧ (𝑝𝑚) = 𝐵) ∧ ∀𝑖 ∈ (0..^𝑚)(𝑝𝑖) < (𝑝‘(𝑖 + 1)))})
43fourierdlem2 40644 . . . . . 6 (𝑀 ∈ ℕ → (𝑄 ∈ (𝑃𝑀) ↔ (𝑄 ∈ (ℝ ↑𝑚 (0...𝑀)) ∧ (((𝑄‘0) = 𝐴 ∧ (𝑄𝑀) = 𝐵) ∧ ∀𝑖 ∈ (0..^𝑀)(𝑄𝑖) < (𝑄‘(𝑖 + 1))))))
52, 4syl 17 . . . . 5 (𝜑 → (𝑄 ∈ (𝑃𝑀) ↔ (𝑄 ∈ (ℝ ↑𝑚 (0...𝑀)) ∧ (((𝑄‘0) = 𝐴 ∧ (𝑄𝑀) = 𝐵) ∧ ∀𝑖 ∈ (0..^𝑀)(𝑄𝑖) < (𝑄‘(𝑖 + 1))))))
61, 5mpbid 222 . . . 4 (𝜑 → (𝑄 ∈ (ℝ ↑𝑚 (0...𝑀)) ∧ (((𝑄‘0) = 𝐴 ∧ (𝑄𝑀) = 𝐵) ∧ ∀𝑖 ∈ (0..^𝑀)(𝑄𝑖) < (𝑄‘(𝑖 + 1)))))
76simpld 474 . . 3 (𝜑𝑄 ∈ (ℝ ↑𝑚 (0...𝑀)))
8 elmapi 7921 . . 3 (𝑄 ∈ (ℝ ↑𝑚 (0...𝑀)) → 𝑄:(0...𝑀)⟶ℝ)
97, 8syl 17 . 2 (𝜑𝑄:(0...𝑀)⟶ℝ)
10 simplr 807 . . . . . 6 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ (𝑄𝑖) = (𝑄𝑗)) ∧ ¬ 𝑖 = 𝑗) → (𝑄𝑖) = (𝑄𝑗))
119ffvelrnda 6399 . . . . . . . . . . . 12 ((𝜑𝑖 ∈ (0...𝑀)) → (𝑄𝑖) ∈ ℝ)
1211ad2antrr 762 . . . . . . . . . . 11 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) → (𝑄𝑖) ∈ ℝ)
139ffvelrnda 6399 . . . . . . . . . . . . . 14 ((𝜑𝑘 ∈ (0...𝑀)) → (𝑄𝑘) ∈ ℝ)
1413ad4ant14 1317 . . . . . . . . . . . . 13 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) ∧ 𝑘 ∈ (0...𝑀)) → (𝑄𝑘) ∈ ℝ)
1514adantllr 755 . . . . . . . . . . . 12 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) ∧ 𝑘 ∈ (0...𝑀)) → (𝑄𝑘) ∈ ℝ)
16 eleq1 2718 . . . . . . . . . . . . . . . . 17 (𝑖 = 𝑘 → (𝑖 ∈ (0..^𝑀) ↔ 𝑘 ∈ (0..^𝑀)))
1716anbi2d 740 . . . . . . . . . . . . . . . 16 (𝑖 = 𝑘 → ((𝜑𝑖 ∈ (0..^𝑀)) ↔ (𝜑𝑘 ∈ (0..^𝑀))))
18 fveq2 6229 . . . . . . . . . . . . . . . . 17 (𝑖 = 𝑘 → (𝑄𝑖) = (𝑄𝑘))
19 oveq1 6697 . . . . . . . . . . . . . . . . . 18 (𝑖 = 𝑘 → (𝑖 + 1) = (𝑘 + 1))
2019fveq2d 6233 . . . . . . . . . . . . . . . . 17 (𝑖 = 𝑘 → (𝑄‘(𝑖 + 1)) = (𝑄‘(𝑘 + 1)))
2118, 20breq12d 4698 . . . . . . . . . . . . . . . 16 (𝑖 = 𝑘 → ((𝑄𝑖) < (𝑄‘(𝑖 + 1)) ↔ (𝑄𝑘) < (𝑄‘(𝑘 + 1))))
2217, 21imbi12d 333 . . . . . . . . . . . . . . 15 (𝑖 = 𝑘 → (((𝜑𝑖 ∈ (0..^𝑀)) → (𝑄𝑖) < (𝑄‘(𝑖 + 1))) ↔ ((𝜑𝑘 ∈ (0..^𝑀)) → (𝑄𝑘) < (𝑄‘(𝑘 + 1)))))
236simprrd 812 . . . . . . . . . . . . . . . 16 (𝜑 → ∀𝑖 ∈ (0..^𝑀)(𝑄𝑖) < (𝑄‘(𝑖 + 1)))
2423r19.21bi 2961 . . . . . . . . . . . . . . 15 ((𝜑𝑖 ∈ (0..^𝑀)) → (𝑄𝑖) < (𝑄‘(𝑖 + 1)))
2522, 24chvarv 2299 . . . . . . . . . . . . . 14 ((𝜑𝑘 ∈ (0..^𝑀)) → (𝑄𝑘) < (𝑄‘(𝑘 + 1)))
2625ad4ant14 1317 . . . . . . . . . . . . 13 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) ∧ 𝑘 ∈ (0..^𝑀)) → (𝑄𝑘) < (𝑄‘(𝑘 + 1)))
2726adantllr 755 . . . . . . . . . . . 12 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) ∧ 𝑘 ∈ (0..^𝑀)) → (𝑄𝑘) < (𝑄‘(𝑘 + 1)))
28 simpllr 815 . . . . . . . . . . . 12 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) → 𝑖 ∈ (0...𝑀))
29 simplr 807 . . . . . . . . . . . 12 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) → 𝑗 ∈ (0...𝑀))
30 simpr 476 . . . . . . . . . . . 12 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) → 𝑖 < 𝑗)
3115, 27, 28, 29, 30monoords 39825 . . . . . . . . . . 11 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) → (𝑄𝑖) < (𝑄𝑗))
3212, 31ltned 10211 . . . . . . . . . 10 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) → (𝑄𝑖) ≠ (𝑄𝑗))
3332neneqd 2828 . . . . . . . . 9 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑖 < 𝑗) → ¬ (𝑄𝑖) = (𝑄𝑗))
3433adantlr 751 . . . . . . . 8 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ 𝑖 < 𝑗) → ¬ (𝑄𝑖) = (𝑄𝑗))
35 simpll 805 . . . . . . . . 9 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ ¬ 𝑖 < 𝑗) → ((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)))
36 elfzelz 12380 . . . . . . . . . . . 12 (𝑗 ∈ (0...𝑀) → 𝑗 ∈ ℤ)
3736zred 11520 . . . . . . . . . . 11 (𝑗 ∈ (0...𝑀) → 𝑗 ∈ ℝ)
3837ad3antlr 767 . . . . . . . . . 10 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ ¬ 𝑖 < 𝑗) → 𝑗 ∈ ℝ)
39 elfzelz 12380 . . . . . . . . . . . 12 (𝑖 ∈ (0...𝑀) → 𝑖 ∈ ℤ)
4039zred 11520 . . . . . . . . . . 11 (𝑖 ∈ (0...𝑀) → 𝑖 ∈ ℝ)
4140ad4antlr 771 . . . . . . . . . 10 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ ¬ 𝑖 < 𝑗) → 𝑖 ∈ ℝ)
42 neqne 2831 . . . . . . . . . . . 12 𝑖 = 𝑗𝑖𝑗)
4342necomd 2878 . . . . . . . . . . 11 𝑖 = 𝑗𝑗𝑖)
4443ad2antlr 763 . . . . . . . . . 10 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ ¬ 𝑖 < 𝑗) → 𝑗𝑖)
45 simpr 476 . . . . . . . . . 10 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ ¬ 𝑖 < 𝑗) → ¬ 𝑖 < 𝑗)
4638, 41, 44, 45lttri5d 39827 . . . . . . . . 9 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ ¬ 𝑖 < 𝑗) → 𝑗 < 𝑖)
479ffvelrnda 6399 . . . . . . . . . . . . 13 ((𝜑𝑗 ∈ (0...𝑀)) → (𝑄𝑗) ∈ ℝ)
4847adantr 480 . . . . . . . . . . . 12 (((𝜑𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → (𝑄𝑗) ∈ ℝ)
4948adantllr 755 . . . . . . . . . . 11 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → (𝑄𝑗) ∈ ℝ)
50 simp-4l 823 . . . . . . . . . . . . 13 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) ∧ 𝑘 ∈ (0...𝑀)) → 𝜑)
5150, 13sylancom 702 . . . . . . . . . . . 12 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) ∧ 𝑘 ∈ (0...𝑀)) → (𝑄𝑘) ∈ ℝ)
52 simp-4l 823 . . . . . . . . . . . . 13 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) ∧ 𝑘 ∈ (0..^𝑀)) → 𝜑)
5352, 25sylancom 702 . . . . . . . . . . . 12 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) ∧ 𝑘 ∈ (0..^𝑀)) → (𝑄𝑘) < (𝑄‘(𝑘 + 1)))
54 simplr 807 . . . . . . . . . . . 12 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → 𝑗 ∈ (0...𝑀))
55 simpllr 815 . . . . . . . . . . . 12 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → 𝑖 ∈ (0...𝑀))
56 simpr 476 . . . . . . . . . . . 12 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → 𝑗 < 𝑖)
5751, 53, 54, 55, 56monoords 39825 . . . . . . . . . . 11 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → (𝑄𝑗) < (𝑄𝑖))
5849, 57gtned 10210 . . . . . . . . . 10 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → (𝑄𝑖) ≠ (𝑄𝑗))
5958neneqd 2828 . . . . . . . . 9 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑗 < 𝑖) → ¬ (𝑄𝑖) = (𝑄𝑗))
6035, 46, 59syl2anc 694 . . . . . . . 8 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) ∧ ¬ 𝑖 < 𝑗) → ¬ (𝑄𝑖) = (𝑄𝑗))
6134, 60pm2.61dan 849 . . . . . . 7 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ ¬ 𝑖 = 𝑗) → ¬ (𝑄𝑖) = (𝑄𝑗))
6261adantlr 751 . . . . . 6 (((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ (𝑄𝑖) = (𝑄𝑗)) ∧ ¬ 𝑖 = 𝑗) → ¬ (𝑄𝑖) = (𝑄𝑗))
6310, 62condan 852 . . . . 5 ((((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) ∧ (𝑄𝑖) = (𝑄𝑗)) → 𝑖 = 𝑗)
6463ex 449 . . . 4 (((𝜑𝑖 ∈ (0...𝑀)) ∧ 𝑗 ∈ (0...𝑀)) → ((𝑄𝑖) = (𝑄𝑗) → 𝑖 = 𝑗))
6564ralrimiva 2995 . . 3 ((𝜑𝑖 ∈ (0...𝑀)) → ∀𝑗 ∈ (0...𝑀)((𝑄𝑖) = (𝑄𝑗) → 𝑖 = 𝑗))
6665ralrimiva 2995 . 2 (𝜑 → ∀𝑖 ∈ (0...𝑀)∀𝑗 ∈ (0...𝑀)((𝑄𝑖) = (𝑄𝑗) → 𝑖 = 𝑗))
67 dff13 6552 . 2 (𝑄:(0...𝑀)–1-1→ℝ ↔ (𝑄:(0...𝑀)⟶ℝ ∧ ∀𝑖 ∈ (0...𝑀)∀𝑗 ∈ (0...𝑀)((𝑄𝑖) = (𝑄𝑗) → 𝑖 = 𝑗)))
689, 66, 67sylanbrc 699 1 (𝜑𝑄:(0...𝑀)–1-1→ℝ)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wa 383   = wceq 1523  wcel 2030  wne 2823  wral 2941  {crab 2945   class class class wbr 4685  cmpt 4762  wf 5922  1-1wf1 5923  cfv 5926  (class class class)co 6690  𝑚 cmap 7899  cr 9973  0cc0 9974  1c1 9975   + caddc 9977   < clt 10112  cn 11058  ...cfz 12364  ..^cfzo 12504
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-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  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
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-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-map 7901  df-en 7998  df-dom 7999  df-sdom 8000  df-pnf 10114  df-mnf 10115  df-xr 10116  df-ltxr 10117  df-le 10118  df-sub 10306  df-neg 10307  df-nn 11059  df-n0 11331  df-z 11416  df-uz 11726  df-fz 12365  df-fzo 12505
This theorem is referenced by:  fourierdlem50  40691
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