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Theorem validref-not-junkrefs

⊦ validref(str, r, ty, st) → (junkrefs(str, r ' + refs, ty, st) ↔ false)

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: 8
Used lemmas: junkrefs-subtype, junkref-def, junkrefs-null-02, validref-def,
Used spec theorems:
- Used simplifier rules:
  - list/references/c-08
  - list/references/e
  - list/references/app-02-ant
  - list/references/a