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Theorem union-newref-02

⊦ newref(r, st ∪ st0) ↔ newref(r, st) ∧ newref(r, st0)

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp, simp,
Comment:
Used by: union-newref, union-newref-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 5
Used lemmas: union-in-01,
Used spec theorems:
- storefuns/newref-def
Used simplifier rules:
- storefuns/newref-03