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Theorem unchanged-junkrefs
⊦ unchanged(str, refs .first, st, st1) ∧ ¬ junkrefs(str, refs, ty, st) → ¬ junkrefs(str, refs, ty, st1)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
unchanged-junkref
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 23
Proof steps: 42
Used lemmas:
unchNorec-isarray-02
,
unchanged-array-forward
,
unchNorec-index0
,
unchanged-isarray
,
unchNorec-length-intro
,
unchNorec-isobj-02
,
unchanged-class-forward
,
unchNorec-field0
,
unchanged-isobj
,
unchNorec-type-intro
,
unchanged-unchNorec-same-01
,
unchanged-null
,
Used spec theorems:
addfuns
/
is-valid-ref-stronger-def
junkrefs
/
junkrefs-class
junkrefs
/
junkrefs-array
junkrefs
/
junkrefs-is-junk
Used simplifier rules:
int-abs
/
lels-03
int-abs
/
lels-04
int-abs
/
forward-le-01
int-abs
/
forward-le-05
int-abs
/
lels
int-abs
/
lels-01
okfuns
/
is_array-arraytype
storekey
/
sel-05
list
/references/
e-01
list-data
/references/
elim-list
addfuns
/
is_obj-classtype
junkrefs
/
junkrefs-null-02
list
/references/
a
list
/references/
c-08
list
/references/
c
junkrefs
/
junkrefs-empty