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Theorem unchanged-okbar

⊦ unchanged(str, r, st, st0) ∧ path∃(str, r, r1, st) ∧ okbytearray(r1, st) → okbytearray(r1, st0)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: unchanged-null, unchanged-validref, unchanged-pathex-unchanged,
Used spec theorems:
- Used simplifier rules:
  - junkrefs/okbytearray-validref
  - okfuns/okbar