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Theorem unchanged-field-lookup

⊦ unchanged(str, r, st, st1) ∧ sk ∈ instfields(st[r -- _type] .type .class) ∧ is_obj(str, r, st) ∧ r ≠ jvmref → st[r -- sk] = st1[r -- sk]

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: unchanged-field-lookup-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 8
Used lemmas: unchanged-unchNorec-same, unchNorec-field,
Used spec theorems:
- addfuns/instfields-index-01
- storekey/ex-03
Used simplifier rules: