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Theorem cons

⊦ unique_al((a × d)' + ax) ↔ ¬ a ∈ ax ∧ unique_al(ax)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: in, k-unique-r, lenequal, not, nuni, nuni-01, unique, unique-01, unique-02, uniquelen,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 2
Used lemmas: unique-r,
Used spec theorems:
- list/assoclista/c
Used simplifier rules: