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Theorem sublist-rec

⊦ x ≠ [] ∧ n ≠ 0 → sublist(0, n, x) = x.head ' + sublist(0, n -1, x.tail)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 3
Used lemmas: sub-zerorec,
Used spec theorems:
- Used simplifier rules:
  - nat/pred-03
  - nat-basic/oz
  - list/c
  - nat-basic/a
  - nat-basic/c
  - list/len-01
  - list/a
  - nat/elim-pred-c