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Theorem validref-object-01

⊦ ¬ validref(str, r, mkclasstype(`java.lang.Object' .class), st) ∧ r ≠ jvmref → ¬ validref(str, r, ty, 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: 1
Proof steps: 3
Used lemmas: validref-bad-type, validref-supertype,
Used spec theorems:
- Used simplifier rules:
  - typefuns/subtype-object-01