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Theorem cut

⊦ ar = [] ∨ (∃ a, ar0. ar = a + ar0)

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: 9
Proof steps: 18
Used lemmas: nil, cons, rest, first,
Used spec theorems:
- array/Extension
- array-copy/at-copy
Used simplifier rules: