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Theorem del-uni

⊦ h0 ⊥ h1 → (h0 ∪ h1) -- r = (h0 -- r) ∪ (h1 -- r)

Type: A user defined theorem
Validity: The proof is valid.
Features: ls, s,
Comment:
Used by:
Used by units in proved state: linked-list, maplet,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 7
Proof steps: 15
Used lemmas: disj-r, disj-rem, at-uni, in-uni, at-del, in-del, ext,
Used spec theorems:
- Used simplifier rules: