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Theorem firstn-prefix-04

⊦ # x = (1 + # z) + n0 → (firstn(1 + n0, x) ⊑ x ↔ true)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 5
Used lemmas: firstn-prefix, firstN-rec,
Used spec theorems:
- Used simplifier rules: