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Theorem rem-reachable-rev

⊦ ce.nxt = (h((h(r1)).nxt)).nxt ∧ r0 ≠ (h(r1)).nxt ∧ (h(r1)).nxt ∈ h ∧ (h(r1)).nxt ≠ null ∧ r1 ≠ null ∧ r1 ∈ h → (reachable(r, r0, h(r1 := ce)) ↔ reachable(r, r0, h))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: rem-reachable, rem-reachable-rev-weak,
Used spec theorems:
- Used simplifier rules: