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Theorem k-unique-r

⊦ unique_al(ax0) ↔ ax0 = [] ∨ ¬ ax0.head._1 ∈ ax0.tail ∧ unique_al(ax0.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: 1
Proof steps: 4
Used lemmas: unique-r, unique-e,
Used spec theorems:
- Used simplifier rules:
  - list-data/elim-list-c
  - list/a
  - list/e-01
  - list/c