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Theorem reachable-trans

⊦ reachable(r, r0, h) ∧ reachable(r0, r1, h) → reachable(r, r1, h)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: reachable-addnew-rev, reachable-trans-simp,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 9
Used lemmas: self-reachable, fromnext-reachable-rev, path-cons, path-one, reachable-def,
Used spec theorems:
- Used simplifier rules:
  - list-last/last-one
  - list/app
  - list/a
  - list/c
  - list-last/last-rec