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Theorem reachable-transex

⊦ reachable(trans, s) ∧ trans∃(trans, s, tr, s2) → (¬ reachable(trans, s2) ↔ false)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
Used by units in proved state: unwinding, MAKS-BSD,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 7
Used lemmas: transex-append, reachable-def,
Used spec theorems:
- Used simplifier rules: