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Theorem is_valid_ref-addobj

⊦ r ≠ r0 → (is_valid_ref(str, r, addobj(r0, class, fis, st)) ↔ is_valid_ref(str, r, st))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 6
Used lemmas: addobj-isarray, is-valid-ref, is-valid-ref-stronger-def, isobj-addobj-02, add-ref, is-real-object-def, validref-addobj, is_valid_ref-def,
Used spec theorems:
- okfuns/is-real-array-def
Used simplifier rules: