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Theorem range-last-2

⊦ n + 1 < # zbrar → key-range(zbrar, n + 1, n + 2, ri) = ri |> zbrar[n].key

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

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Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 3
Used lemmas: range-last,
Used spec theorems:
- Used simplifier rules: