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Theorem ll-trav1-next

r1 ≠ null ⊦ (ll-trav(r0, r1, x) * hP)(h) ∧ h(r1) = a × r → (ll-trav(r0, r, x) * hP)(h)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 9
Used lemmas: lls-unfold-tail, lls-rec, lls-base, ll-trav1-def,
Used spec theorems:
- Used simplifier rules: