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Theorem rest-empty

⊦ # x = n → x.drop(n) = []

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: lastN-ex, lastn-app, lastn-restn-01, restN-len, restn-empty,
Used by units in proved state: streamseq-mon-lim-old, streamseq-mon-lim, stream-old, stream,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: restN-all,
Used spec theorems:
- Used simplifier rules: