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Theorem getbar-subset

⊦ st ⊆ st0 ∧ okbytearray(r, st) → getbytearray(r, st) = getbytearray(r, st0)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 16
Used lemmas: oktype-byte, okreftype, okarrayNotNull, okarray-subset-01, okarray-05, subset-okarray, okbytearray-01, okbar-lenfield, okbar-len,
Used spec theorems:
- storearrays/extension-01
- store/javastore/superset-elem-eq
Used simplifier rules: