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Description: Lemma for clwwisshclwws . (Contributed by AV, 24-Mar-2018) (Revised by AV, 28-Apr-2021)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | clwwisshclwwslem | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) → ∀ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) ) { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } ∈ 𝐸 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elfzoelz | ⊢ ( 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) → 𝑁 ∈ ℤ ) | |
| 2 | cshwlen | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℤ ) → ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) = ( ♯ ‘ 𝑊 ) ) | |
| 3 | 1 2 | sylan2 | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) = ( ♯ ‘ 𝑊 ) ) |
| 4 | 3 | oveq1d | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) = ( ( ♯ ‘ 𝑊 ) − 1 ) ) |
| 5 | 4 | oveq2d | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( 0 ..^ ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) ) = ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) |
| 6 | 5 | eleq2d | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) ) ↔ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) ) |
| 7 | 6 | adantr | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) → ( 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) ) ↔ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) ) |
| 8 | simpll | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → 𝑊 ∈ Word 𝑉 ) | |
| 9 | 1 | ad2antlr | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → 𝑁 ∈ ℤ ) |
| 10 | lencl | ⊢ ( 𝑊 ∈ Word 𝑉 → ( ♯ ‘ 𝑊 ) ∈ ℕ0 ) | |
| 11 | nn0z | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ0 → ( ♯ ‘ 𝑊 ) ∈ ℤ ) | |
| 12 | peano2zm | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℤ → ( ( ♯ ‘ 𝑊 ) − 1 ) ∈ ℤ ) | |
| 13 | 11 12 | syl | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ0 → ( ( ♯ ‘ 𝑊 ) − 1 ) ∈ ℤ ) |
| 14 | nn0re | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ0 → ( ♯ ‘ 𝑊 ) ∈ ℝ ) | |
| 15 | 14 | lem1d | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ0 → ( ( ♯ ‘ 𝑊 ) − 1 ) ≤ ( ♯ ‘ 𝑊 ) ) |
| 16 | eluz2 | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ↔ ( ( ( ♯ ‘ 𝑊 ) − 1 ) ∈ ℤ ∧ ( ♯ ‘ 𝑊 ) ∈ ℤ ∧ ( ( ♯ ‘ 𝑊 ) − 1 ) ≤ ( ♯ ‘ 𝑊 ) ) ) | |
| 17 | 13 11 15 16 | syl3anbrc | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ0 → ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) |
| 18 | 10 17 | syl | ⊢ ( 𝑊 ∈ Word 𝑉 → ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) |
| 19 | 18 | adantr | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) |
| 20 | fzoss2 | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) → ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ⊆ ( 0 ..^ ( ♯ ‘ 𝑊 ) ) ) | |
| 21 | 19 20 | syl | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ⊆ ( 0 ..^ ( ♯ ‘ 𝑊 ) ) ) |
| 22 | 21 | sselda | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → 𝑗 ∈ ( 0 ..^ ( ♯ ‘ 𝑊 ) ) ) |
| 23 | cshwidxmod | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℤ ∧ 𝑗 ∈ ( 0 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) = ( 𝑊 ‘ ( ( 𝑗 + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) ) | |
| 24 | 8 9 22 23 | syl3anc | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) = ( 𝑊 ‘ ( ( 𝑗 + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) ) |
| 25 | elfzo1 | ⊢ ( 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ↔ ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) ) | |
| 26 | 25 | simp2bi | ⊢ ( 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ∈ ℕ ) |
| 27 | 26 | adantl | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ♯ ‘ 𝑊 ) ∈ ℕ ) |
| 28 | elfzom1p1elfzo | ⊢ ( ( ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → ( 𝑗 + 1 ) ∈ ( 0 ..^ ( ♯ ‘ 𝑊 ) ) ) | |
| 29 | 27 28 | sylan | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → ( 𝑗 + 1 ) ∈ ( 0 ..^ ( ♯ ‘ 𝑊 ) ) ) |
| 30 | cshwidxmod | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℤ ∧ ( 𝑗 + 1 ) ∈ ( 0 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) = ( 𝑊 ‘ ( ( ( 𝑗 + 1 ) + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) ) | |
| 31 | 8 9 29 30 | syl3anc | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) = ( 𝑊 ‘ ( ( ( 𝑗 + 1 ) + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) ) |
| 32 | 24 31 | preq12d | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } = { ( 𝑊 ‘ ( ( 𝑗 + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) , ( 𝑊 ‘ ( ( ( 𝑗 + 1 ) + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) } ) |
| 33 | 32 | adantlr | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } = { ( 𝑊 ‘ ( ( 𝑗 + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) , ( 𝑊 ‘ ( ( ( 𝑗 + 1 ) + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) } ) |
| 34 | 2z | ⊢ 2 ∈ ℤ | |
| 35 | 34 | a1i | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → 2 ∈ ℤ ) |
| 36 | nnz | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ → ( ♯ ‘ 𝑊 ) ∈ ℤ ) | |
| 37 | 36 | 3ad2ant2 | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ∈ ℤ ) |
| 38 | nnnn0 | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ → ( ♯ ‘ 𝑊 ) ∈ ℕ0 ) | |
| 39 | 38 | 3ad2ant2 | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ∈ ℕ0 ) |
| 40 | nnne0 | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ → ( ♯ ‘ 𝑊 ) ≠ 0 ) | |
| 41 | 40 | 3ad2ant2 | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ≠ 0 ) |
| 42 | 1red | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → 1 ∈ ℝ ) | |
| 43 | nnre | ⊢ ( 𝑁 ∈ ℕ → 𝑁 ∈ ℝ ) | |
| 44 | 43 | 3ad2ant1 | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → 𝑁 ∈ ℝ ) |
| 45 | nnre | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ℕ → ( ♯ ‘ 𝑊 ) ∈ ℝ ) | |
| 46 | 45 | 3ad2ant2 | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ∈ ℝ ) |
| 47 | nnge1 | ⊢ ( 𝑁 ∈ ℕ → 1 ≤ 𝑁 ) | |
| 48 | 47 | 3ad2ant1 | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → 1 ≤ 𝑁 ) |
| 49 | simp3 | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → 𝑁 < ( ♯ ‘ 𝑊 ) ) | |
| 50 | 42 44 46 48 49 | lelttrd | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → 1 < ( ♯ ‘ 𝑊 ) ) |
| 51 | 42 50 | gtned | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ≠ 1 ) |
| 52 | nn0n0n1ge2 | ⊢ ( ( ( ♯ ‘ 𝑊 ) ∈ ℕ0 ∧ ( ♯ ‘ 𝑊 ) ≠ 0 ∧ ( ♯ ‘ 𝑊 ) ≠ 1 ) → 2 ≤ ( ♯ ‘ 𝑊 ) ) | |
| 53 | 39 41 51 52 | syl3anc | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → 2 ≤ ( ♯ ‘ 𝑊 ) ) |
| 54 | eluz2 | ⊢ ( ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ 2 ) ↔ ( 2 ∈ ℤ ∧ ( ♯ ‘ 𝑊 ) ∈ ℤ ∧ 2 ≤ ( ♯ ‘ 𝑊 ) ) ) | |
| 55 | 35 37 53 54 | syl3anbrc | ⊢ ( ( 𝑁 ∈ ℕ ∧ ( ♯ ‘ 𝑊 ) ∈ ℕ ∧ 𝑁 < ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ 2 ) ) |
| 56 | 25 55 | sylbi | ⊢ ( 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) → ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ 2 ) ) |
| 57 | 56 | ad3antlr | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ 2 ) ) |
| 58 | elfzoelz | ⊢ ( 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) → 𝑗 ∈ ℤ ) | |
| 59 | 58 | adantl | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → 𝑗 ∈ ℤ ) |
| 60 | 1 | ad3antlr | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → 𝑁 ∈ ℤ ) |
| 61 | simplrl | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ) | |
| 62 | lsw | ⊢ ( 𝑊 ∈ Word 𝑉 → ( lastS ‘ 𝑊 ) = ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) | |
| 63 | 62 | adantr | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( lastS ‘ 𝑊 ) = ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) |
| 64 | 63 | preq1d | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } = { ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) , ( 𝑊 ‘ 0 ) } ) |
| 65 | 64 | eleq1d | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ↔ { ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) |
| 66 | 65 | biimpcd | ⊢ ( { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 → ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → { ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) |
| 67 | 66 | adantl | ⊢ ( ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) → ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → { ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) |
| 68 | 67 | impcom | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) → { ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) |
| 69 | 68 | adantr | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → { ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) |
| 70 | clwwisshclwwslemlem | ⊢ ( ( ( ( ♯ ‘ 𝑊 ) ∈ ( ℤ≥ ‘ 2 ) ∧ 𝑗 ∈ ℤ ∧ 𝑁 ∈ ℤ ) ∧ ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( 𝑊 ‘ ( ( ♯ ‘ 𝑊 ) − 1 ) ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) → { ( 𝑊 ‘ ( ( 𝑗 + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) , ( 𝑊 ‘ ( ( ( 𝑗 + 1 ) + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) } ∈ 𝐸 ) | |
| 71 | 57 59 60 61 69 70 | syl311anc | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → { ( 𝑊 ‘ ( ( 𝑗 + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) , ( 𝑊 ‘ ( ( ( 𝑗 + 1 ) + 𝑁 ) mod ( ♯ ‘ 𝑊 ) ) ) } ∈ 𝐸 ) |
| 72 | 33 71 | eqeltrd | ⊢ ( ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) ∧ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) ) → { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } ∈ 𝐸 ) |
| 73 | 72 | ex | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) → ( 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) → { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } ∈ 𝐸 ) ) |
| 74 | 7 73 | sylbid | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) → ( 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) ) → { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } ∈ 𝐸 ) ) |
| 75 | 74 | ralrimiv | ⊢ ( ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) ∧ ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) ) → ∀ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) ) { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } ∈ 𝐸 ) |
| 76 | 75 | ex | ⊢ ( ( 𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ( 1 ..^ ( ♯ ‘ 𝑊 ) ) ) → ( ( ∀ 𝑖 ∈ ( 0 ..^ ( ( ♯ ‘ 𝑊 ) − 1 ) ) { ( 𝑊 ‘ 𝑖 ) , ( 𝑊 ‘ ( 𝑖 + 1 ) ) } ∈ 𝐸 ∧ { ( lastS ‘ 𝑊 ) , ( 𝑊 ‘ 0 ) } ∈ 𝐸 ) → ∀ 𝑗 ∈ ( 0 ..^ ( ( ♯ ‘ ( 𝑊 cyclShift 𝑁 ) ) − 1 ) ) { ( ( 𝑊 cyclShift 𝑁 ) ‘ 𝑗 ) , ( ( 𝑊 cyclShift 𝑁 ) ‘ ( 𝑗 + 1 ) ) } ∈ 𝐸 ) ) |