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Theorem junkref-keyin

⊦ ¬ r -- _type ∈ st → (junkref(str, r, st) ↔ r ≠ jvmref)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: validref-subset, validref-subset-01, validref-union, validrefkeynotnull-subset, validrefkeynotnull-union,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: junkref-is-junk, junkref-null,
Used spec theorems:
- Used simplifier rules:
  - addfuns/is_valid_ref-notin-01