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Theorem dlls-unfold-tail

⊦ dlls(hd, lst, prv, nxt, x + a ') = _∃(λ lst0. dlls(hd, lst0, prv, lst, x) * lst => mknode(lst0, a, nxt))

Type: A user defined theorem
Validity: The proof is valid.
Features: s,
Comment:
Used by: dll-trav-next,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 9
Proof steps: 15
Used lemmas: dlls-last-fold-tail, dlls-last-rec, dlls-last-base, dlls-last-one,
Used spec theorems:
- Used simplifier rules: