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Theorem blastN-all-01

n = # x ⊦ butlastn(n, x) = []

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: blastN-all,
Used spec theorems:
- Used simplifier rules: