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Theorem rev-at-h

⊦ m < n ∧ n ≤ # ar → rev(ar, n)[m] = ar[# ar - m + 1]

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 14
Used lemmas: rev-size-h, rev-rec,
Used spec theorems:
- array/Put-other
- array/Put-same
Used simplifier rules: