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Theorem rm-vl-in-before-h

⊦ ¬ eq-entry(n, lref) ∈ q - lref

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: rm-vl-in-before, rm-vl-notin,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 11
Used lemmas: queue-rm-vl-rec, queue-rm-vl-base,
Used spec theorems:
- Used simplifier rules:
  - list/erasequeue-base/in-empty
  - list/erasequeue-base/c
  - erasequeueentry/elim
  - erasequeueentry/inj
  - list/erasequeue-base/a
  - list/erasequeue-base/in-rec