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Theorem lastn-lastn-01

⊦ m ≤ n → x.takeRight(n).takeRight(m) = x.takeRight(m)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 10
Used lemmas: lastn-rec, lastn-length, lastn-restn-01, lastN-rec, lastN-zero,
Used spec theorems:
- Used simplifier rules: