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Theorem rest-append

⊦ n + m ≤ # x → restn(n, x + y) = restn(n, x) + y

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: restN-append,
Used spec theorems:
- Used simplifier rules: