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Theorem unchanged-unchNorec-same

⊦ ¬ unchangedNorec(r, st, st0) ∧ is_obj(str, r, st) → ¬ unchanged(str, r, st, st0)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 3
Used lemmas: unchanged-def,
Used spec theorems:
- Used simplifier rules:
  - cyclic/pathex-one
  - addfuns/is_valid_ref-isobj