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Theorem disj-distr-uni

⊦ H1 ⊥ H → (H0 ⊥ H1 ∪ H ↔ H0 ⊥ H1 ∧ H0 ⊥ H)

Type: A user defined theorem
Validity: The proof is valid.
Features: ws, lws,
Comment:
Used by: disj-distr-uni-com, uni-ass,
Used by units in proved state: separation-rg, linked-list-aux, linked-list, heap-sep,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 11
Used lemmas: disj-r, disj-l, in-uni, disj,
Used spec theorems:
- Used simplifier rules: