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Theorem scshwfzeqfzo 14768
Description: For a nonempty word the sets of shifted words, expressd by a finite interval of integers or by a half-open integer range are identical. (Contributed by Alexander van der Vekens, 15-Jun-2018.)
Assertion
Ref Expression
scshwfzeqfzo ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → {𝑦 ∈ Word 𝑉 ∣ ∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛)} = {𝑦 ∈ Word 𝑉 ∣ ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)})
Distinct variable groups:   𝑛,𝑁,𝑦   𝑛,𝑉,𝑦   𝑛,𝑋,𝑦

Proof of Theorem scshwfzeqfzo
StepHypRef Expression
1 lencl 14474 . . . . . . . . . . . 12 (𝑋 ∈ Word 𝑉 → (♯‘𝑋) ∈ ℕ0)
2 elnn0uz 12814 . . . . . . . . . . . 12 ((♯‘𝑋) ∈ ℕ0 ↔ (♯‘𝑋) ∈ (ℤ‘0))
31, 2sylib 218 . . . . . . . . . . 11 (𝑋 ∈ Word 𝑉 → (♯‘𝑋) ∈ (ℤ‘0))
43adantr 480 . . . . . . . . . 10 ((𝑋 ∈ Word 𝑉𝑁 = (♯‘𝑋)) → (♯‘𝑋) ∈ (ℤ‘0))
5 eleq1 2816 . . . . . . . . . . 11 (𝑁 = (♯‘𝑋) → (𝑁 ∈ (ℤ‘0) ↔ (♯‘𝑋) ∈ (ℤ‘0)))
65adantl 481 . . . . . . . . . 10 ((𝑋 ∈ Word 𝑉𝑁 = (♯‘𝑋)) → (𝑁 ∈ (ℤ‘0) ↔ (♯‘𝑋) ∈ (ℤ‘0)))
74, 6mpbird 257 . . . . . . . . 9 ((𝑋 ∈ Word 𝑉𝑁 = (♯‘𝑋)) → 𝑁 ∈ (ℤ‘0))
873adant2 1131 . . . . . . . 8 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → 𝑁 ∈ (ℤ‘0))
98adantr 480 . . . . . . 7 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → 𝑁 ∈ (ℤ‘0))
10 fzisfzounsn 13716 . . . . . . 7 (𝑁 ∈ (ℤ‘0) → (0...𝑁) = ((0..^𝑁) ∪ {𝑁}))
119, 10syl 17 . . . . . 6 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (0...𝑁) = ((0..^𝑁) ∪ {𝑁}))
1211rexeqdv 3297 . . . . 5 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛) ↔ ∃𝑛 ∈ ((0..^𝑁) ∪ {𝑁})𝑦 = (𝑋 cyclShift 𝑛)))
13 rexun 4155 . . . . 5 (∃𝑛 ∈ ((0..^𝑁) ∪ {𝑁})𝑦 = (𝑋 cyclShift 𝑛) ↔ (∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛) ∨ ∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛)))
1412, 13bitrdi 287 . . . 4 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛) ↔ (∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛) ∨ ∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛))))
15 fvex 6853 . . . . . . . . . . . 12 (♯‘𝑋) ∈ V
16 eleq1 2816 . . . . . . . . . . . 12 (𝑁 = (♯‘𝑋) → (𝑁 ∈ V ↔ (♯‘𝑋) ∈ V))
1715, 16mpbiri 258 . . . . . . . . . . 11 (𝑁 = (♯‘𝑋) → 𝑁 ∈ V)
18 oveq2 7377 . . . . . . . . . . . . 13 (𝑛 = 𝑁 → (𝑋 cyclShift 𝑛) = (𝑋 cyclShift 𝑁))
1918eqeq2d 2740 . . . . . . . . . . . 12 (𝑛 = 𝑁 → (𝑦 = (𝑋 cyclShift 𝑛) ↔ 𝑦 = (𝑋 cyclShift 𝑁)))
2019rexsng 4636 . . . . . . . . . . 11 (𝑁 ∈ V → (∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛) ↔ 𝑦 = (𝑋 cyclShift 𝑁)))
2117, 20syl 17 . . . . . . . . . 10 (𝑁 = (♯‘𝑋) → (∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛) ↔ 𝑦 = (𝑋 cyclShift 𝑁)))
22213ad2ant3 1135 . . . . . . . . 9 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛) ↔ 𝑦 = (𝑋 cyclShift 𝑁)))
2322adantr 480 . . . . . . . 8 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛) ↔ 𝑦 = (𝑋 cyclShift 𝑁)))
24 oveq2 7377 . . . . . . . . . . . . 13 (𝑁 = (♯‘𝑋) → (𝑋 cyclShift 𝑁) = (𝑋 cyclShift (♯‘𝑋)))
25243ad2ant3 1135 . . . . . . . . . . . 12 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (𝑋 cyclShift 𝑁) = (𝑋 cyclShift (♯‘𝑋)))
26 cshwn 14738 . . . . . . . . . . . . 13 (𝑋 ∈ Word 𝑉 → (𝑋 cyclShift (♯‘𝑋)) = 𝑋)
27263ad2ant1 1133 . . . . . . . . . . . 12 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (𝑋 cyclShift (♯‘𝑋)) = 𝑋)
2825, 27eqtrd 2764 . . . . . . . . . . 11 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (𝑋 cyclShift 𝑁) = 𝑋)
2928eqeq2d 2740 . . . . . . . . . 10 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (𝑦 = (𝑋 cyclShift 𝑁) ↔ 𝑦 = 𝑋))
3029adantr 480 . . . . . . . . 9 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (𝑦 = (𝑋 cyclShift 𝑁) ↔ 𝑦 = 𝑋))
31 cshw0 14735 . . . . . . . . . . . . . . 15 (𝑋 ∈ Word 𝑉 → (𝑋 cyclShift 0) = 𝑋)
32313ad2ant1 1133 . . . . . . . . . . . . . 14 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (𝑋 cyclShift 0) = 𝑋)
33 lennncl 14475 . . . . . . . . . . . . . . . . . 18 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅) → (♯‘𝑋) ∈ ℕ)
34333adant3 1132 . . . . . . . . . . . . . . . . 17 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (♯‘𝑋) ∈ ℕ)
35 eleq1 2816 . . . . . . . . . . . . . . . . . 18 (𝑁 = (♯‘𝑋) → (𝑁 ∈ ℕ ↔ (♯‘𝑋) ∈ ℕ))
36353ad2ant3 1135 . . . . . . . . . . . . . . . . 17 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → (𝑁 ∈ ℕ ↔ (♯‘𝑋) ∈ ℕ))
3734, 36mpbird 257 . . . . . . . . . . . . . . . 16 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → 𝑁 ∈ ℕ)
38 lbfzo0 13636 . . . . . . . . . . . . . . . 16 (0 ∈ (0..^𝑁) ↔ 𝑁 ∈ ℕ)
3937, 38sylibr 234 . . . . . . . . . . . . . . 15 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → 0 ∈ (0..^𝑁))
40 oveq2 7377 . . . . . . . . . . . . . . . . . . . 20 (0 = 𝑛 → (𝑋 cyclShift 0) = (𝑋 cyclShift 𝑛))
4140eqeq1d 2731 . . . . . . . . . . . . . . . . . . 19 (0 = 𝑛 → ((𝑋 cyclShift 0) = 𝑋 ↔ (𝑋 cyclShift 𝑛) = 𝑋))
4241eqcoms 2737 . . . . . . . . . . . . . . . . . 18 (𝑛 = 0 → ((𝑋 cyclShift 0) = 𝑋 ↔ (𝑋 cyclShift 𝑛) = 𝑋))
43 eqcom 2736 . . . . . . . . . . . . . . . . . 18 ((𝑋 cyclShift 𝑛) = 𝑋𝑋 = (𝑋 cyclShift 𝑛))
4442, 43bitrdi 287 . . . . . . . . . . . . . . . . 17 (𝑛 = 0 → ((𝑋 cyclShift 0) = 𝑋𝑋 = (𝑋 cyclShift 𝑛)))
4544adantl 481 . . . . . . . . . . . . . . . 16 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑛 = 0) → ((𝑋 cyclShift 0) = 𝑋𝑋 = (𝑋 cyclShift 𝑛)))
4645biimpd 229 . . . . . . . . . . . . . . 15 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑛 = 0) → ((𝑋 cyclShift 0) = 𝑋𝑋 = (𝑋 cyclShift 𝑛)))
4739, 46rspcimedv 3576 . . . . . . . . . . . . . 14 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → ((𝑋 cyclShift 0) = 𝑋 → ∃𝑛 ∈ (0..^𝑁)𝑋 = (𝑋 cyclShift 𝑛)))
4832, 47mpd 15 . . . . . . . . . . . . 13 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → ∃𝑛 ∈ (0..^𝑁)𝑋 = (𝑋 cyclShift 𝑛))
4948adantr 480 . . . . . . . . . . . 12 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → ∃𝑛 ∈ (0..^𝑁)𝑋 = (𝑋 cyclShift 𝑛))
5049adantr 480 . . . . . . . . . . 11 ((((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) ∧ 𝑦 = 𝑋) → ∃𝑛 ∈ (0..^𝑁)𝑋 = (𝑋 cyclShift 𝑛))
51 eqeq1 2733 . . . . . . . . . . . . 13 (𝑦 = 𝑋 → (𝑦 = (𝑋 cyclShift 𝑛) ↔ 𝑋 = (𝑋 cyclShift 𝑛)))
5251adantl 481 . . . . . . . . . . . 12 ((((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) ∧ 𝑦 = 𝑋) → (𝑦 = (𝑋 cyclShift 𝑛) ↔ 𝑋 = (𝑋 cyclShift 𝑛)))
5352rexbidv 3157 . . . . . . . . . . 11 ((((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) ∧ 𝑦 = 𝑋) → (∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛) ↔ ∃𝑛 ∈ (0..^𝑁)𝑋 = (𝑋 cyclShift 𝑛)))
5450, 53mpbird 257 . . . . . . . . . 10 ((((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) ∧ 𝑦 = 𝑋) → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛))
5554ex 412 . . . . . . . . 9 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (𝑦 = 𝑋 → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
5630, 55sylbid 240 . . . . . . . 8 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (𝑦 = (𝑋 cyclShift 𝑁) → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
5723, 56sylbid 240 . . . . . . 7 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛) → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
5857com12 32 . . . . . 6 (∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛) → (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
5958jao1i 858 . . . . 5 ((∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛) ∨ ∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛)) → (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
6059com12 32 . . . 4 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → ((∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛) ∨ ∃𝑛 ∈ {𝑁}𝑦 = (𝑋 cyclShift 𝑛)) → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
6114, 60sylbid 240 . . 3 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛) → ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
62 fzossfz 13615 . . . 4 (0..^𝑁) ⊆ (0...𝑁)
63 ssrexv 4013 . . . 4 ((0..^𝑁) ⊆ (0...𝑁) → (∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛) → ∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
6462, 63mp1i 13 . . 3 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛) → ∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
6561, 64impbid 212 . 2 (((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) ∧ 𝑦 ∈ Word 𝑉) → (∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛) ↔ ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)))
6665rabbidva 3409 1 ((𝑋 ∈ Word 𝑉𝑋 ≠ ∅ ∧ 𝑁 = (♯‘𝑋)) → {𝑦 ∈ Word 𝑉 ∣ ∃𝑛 ∈ (0...𝑁)𝑦 = (𝑋 cyclShift 𝑛)} = {𝑦 ∈ Word 𝑉 ∣ ∃𝑛 ∈ (0..^𝑁)𝑦 = (𝑋 cyclShift 𝑛)})
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  wo 847  w3a 1086   = wceq 1540  wcel 2109  wne 2925  wrex 3053  {crab 3402  Vcvv 3444  cun 3909  wss 3911  c0 4292  {csn 4585  cfv 6499  (class class class)co 7369  0cc0 11044  cn 12162  0cn0 12418  cuz 12769  ...cfz 13444  ..^cfzo 13591  chash 14271  Word cword 14454   cyclShift ccsh 14729
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5229  ax-sep 5246  ax-nul 5256  ax-pow 5315  ax-pr 5382  ax-un 7691  ax-cnex 11100  ax-resscn 11101  ax-1cn 11102  ax-icn 11103  ax-addcl 11104  ax-addrcl 11105  ax-mulcl 11106  ax-mulrcl 11107  ax-mulcom 11108  ax-addass 11109  ax-mulass 11110  ax-distr 11111  ax-i2m1 11112  ax-1ne0 11113  ax-1rid 11114  ax-rnegex 11115  ax-rrecex 11116  ax-cnre 11117  ax-pre-lttri 11118  ax-pre-lttrn 11119  ax-pre-ltadd 11120  ax-pre-mulgt0 11121  ax-pre-sup 11122
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-rmo 3351  df-reu 3352  df-rab 3403  df-v 3446  df-sbc 3751  df-csb 3860  df-dif 3914  df-un 3916  df-in 3918  df-ss 3928  df-pss 3931  df-nul 4293  df-if 4485  df-pw 4561  df-sn 4586  df-pr 4588  df-op 4592  df-uni 4868  df-int 4907  df-iun 4953  df-br 5103  df-opab 5165  df-mpt 5184  df-tr 5210  df-id 5526  df-eprel 5531  df-po 5539  df-so 5540  df-fr 5584  df-we 5586  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-pred 6262  df-ord 6323  df-on 6324  df-lim 6325  df-suc 6326  df-iota 6452  df-fun 6501  df-fn 6502  df-f 6503  df-f1 6504  df-fo 6505  df-f1o 6506  df-fv 6507  df-riota 7326  df-ov 7372  df-oprab 7373  df-mpo 7374  df-om 7823  df-1st 7947  df-2nd 7948  df-frecs 8237  df-wrecs 8268  df-recs 8317  df-rdg 8355  df-1o 8411  df-er 8648  df-en 8896  df-dom 8897  df-sdom 8898  df-fin 8899  df-sup 9369  df-inf 9370  df-card 9868  df-pnf 11186  df-mnf 11187  df-xr 11188  df-ltxr 11189  df-le 11190  df-sub 11383  df-neg 11384  df-div 11812  df-nn 12163  df-n0 12419  df-z 12506  df-uz 12770  df-rp 12928  df-fz 13445  df-fzo 13592  df-fl 13730  df-mod 13808  df-hash 14272  df-word 14455  df-concat 14512  df-substr 14582  df-pfx 14612  df-csh 14730
This theorem is referenced by:  hashecclwwlkn1  30056  umgrhashecclwwlk  30057
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