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Theorem perm-swap

⊦ perm(ar, ar0) ∧ m < # ar ∧ n < # ar ∧ m ≠ n → (¬ perm(ar, ar0[n, ar0[m]][m, ar0[n]]) ↔ false)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
Used by units in proved state: partition-refinement,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 6
Used lemmas: numoc-swap, perm-def,
Used spec theorems:
- Used simplifier rules: