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Theorem list2set-append

⊦ list2set(x + y) = list2set(x) ∪ list2set(y)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 3
Used lemmas: list2set-rec, list2set-empty,
Used spec theorems:
- Used simplifier rules:
  - set-union/unadd
  - list/c
  - list/Nil
  - list/a
  - set-union/une
  - set-union/una
  - set-union/unc