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Theorem getarray-superset

⊦ st ⊆ st0 ∧ is_arrayref(r, i + j, st) ∧ 0 ≤ i → getarray(r, i, j, st0) = getarray(r, i, j, st)

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

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Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 3
Used lemmas: is_arrayref, getarray-subset,
Used spec theorems:
- Used simplifier rules: