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Theorem perm-trans

⊦ perm(A, A0) ∧ perm(A0, A1) → perm(A, A1)

Type: A user defined theorem
Validity: The proof is valid.
Features: forward, localforward,
Comment:
Used by:
Used by units in proved state: pair-insertion-sort, sort-invariants,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: perm,
Used spec theorems:
- Used simplifier rules: