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Theorem validref-union-left

⊦ validref(str, r, ty, st0) ∧ st0 .refs ∩ st .refs = ∅ → validref(str, r, ty, st0 ∪ st)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: validref-subset,
Used spec theorems:
- Used simplifier rules:
  - set-union/references/int-a
  - set-union/references/int-c
  - storefunsx/union-subset-left