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Theorem in-uni

⊦ rs0 ∩ rs1 = ∅ → (r ∈ mk(rs0, f0) ∪ mk(rs1, f1) ↔ r ∈ rs0 ∨ r ∈ rs1)

Type: A user defined theorem
Validity: The proof is valid.
Features: ls,
Comment:
Used by: at-unil, at-unir, sep, uni,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 3
Used lemmas: in-mk, disj,
Used spec theorems:
- heap/in-uni
Used simplifier rules: