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Theorem validref-put-badfield

⊦ validref(str, r, ty, st) ∧ ¬ (is_typevalue(st[r0 -- _type]) ∧ is_reftype(st[r0 -- _type] .type)) → validref(str, r, ty, st[r0 -- fs ', val])

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: 4
Proof steps: 10
Used lemmas: junkref-put-badfield, validref-noreftype, validref-def,
Used spec theorems:
- store/javastore/At-other
Used simplifier rules:
- refkey/inj-01
- refkey/inj
- store/javastore/At-same
- valuefuns/typeval-xtra
- typefuns/isreftype-06