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Theorem reachnext

⊦ reachable(r0, h[r0].nxt, h) ↔ r0 ≠ null ∧ r0 ∈ h ∧ h[r0].nxt ∈ h ∧ h[r0].nxt ≠ null

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: add-preserves-reachable-rev,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 8
Used lemmas: path-two, path-cons, path-one, null-not-start-of-path, path-first-in-H, reachable-def,
Used spec theorems:
- Used simplifier rules: