Step
*
1
of Lemma
triple_txpose_perm
1. n : ℕ
2. i : ℕn
3. j : ℕn
4. k : ℕn
5. ¬(i = j ∈ ℤ)
6. ¬(j = k ∈ ℤ)
⊢ txpose_perm(i;j) = txpose_perm(i;k) O txpose_perm(j;k) O txpose_perm(i;k) ∈ Sym(n)
BY
{ (Unfolds ``txpose_perm comp_perm`` 0 THEN AbReduce 0) }
1
1. n : ℕ
2. i : ℕn
3. j : ℕn
4. k : ℕn
5. ¬(i = j ∈ ℤ)
6. ¬(j = k ∈ ℤ)
⊢ mk_perm(swap(i;j);swap(i;j))
= mk_perm(swap(i;k) o (swap(j;k) o swap(i;k));(swap(i;k) o swap(j;k)) o swap(i;k))
∈ Sym(n)
Latex:
Latex:
1. n : \mBbbN{}
2. i : \mBbbN{}n
3. j : \mBbbN{}n
4. k : \mBbbN{}n
5. \mneg{}(i = j)
6. \mneg{}(j = k)
\mvdash{} txpose\_perm(i;j) = txpose\_perm(i;k) O txpose\_perm(j;k) O txpose\_perm(i;k)
By
Latex:
(Unfolds ``txpose\_perm comp\_perm`` 0 THEN AbReduce 0)
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