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Theorem reachable-n-rec-rev2

⊦ reachable-n(H, n + 2, r, r0) ↔ (∃ r1. reachable-n(H, n, r, r1) ∧ reachable-1(H, r1, H[r1].nxt) ∧ reachable-1(H, H[r1].nxt, r0))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 13
Proof steps: 23
Used lemmas: reachable-1-def, reachable-n-rec, reachable-n-rec-rev,
Used spec theorems:
- Used simplifier rules:
  - nat-basic2/a
  - nat-basic2/c