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Theorem infapp-to-le

⊦ n ≤ # x → (x + nf).take(n) = x.take(n)

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: 2
Proof steps: 6
Used lemmas: add-list-fun-def, get-infto, size-inf-to,
Used spec theorems:
- list-getput/extension
Used simplifier rules: