Step
*
1
of Lemma
tswap_eval_3
∀n:ℕ. ∀i,j,k:ℕn. ((¬(k = i ∈ ℕn))
⇒ (¬(k = j ∈ ℕn))
⇒ ((swap(i;j) k) = k ∈ ℕn))
BY
{ ((((RepD THENM InvertRel 0) THENM EqTypeCD) THENM InvertRel 0) THENA Auto) }
1
1. n : ℕ
2. i : ℕn
3. j : ℕn
4. k : ℕn
5. ¬(k = i ∈ ℕn)
6. ¬(k = j ∈ ℕn)
⊢ (swap(i;j) k) = k ∈ ℤ
Latex:
Latex:
\mforall{}n:\mBbbN{}. \mforall{}i,j,k:\mBbbN{}n. ((\mneg{}(k = i)) {}\mRightarrow{} (\mneg{}(k = j)) {}\mRightarrow{} ((swap(i;j) k) = k))
By
Latex:
((((RepD THENM InvertRel 0) THENM EqTypeCD) THENM InvertRel 0) THENA Auto)
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