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Theorem validref-subspec-samesubclasses-01
⊦ validref(str0, r, ty, st) ∧ same-subclasses-contains(ty .jtelemtype .class, str, str0) ∧ tdname+∃(str0, ty .jtelemtype .class) → validref(str, r, ty, st)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
validstatfield-subspec-samesubclasses
,
Used by units in proved state:
Proof exists?: Yes
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the proof
Infos about the proof
Proved?: Yes
Interactions: 10
Proof steps: 20
Used lemmas:
same-subclasses-subclass
,
junkref-subspec-samesubclasses
,
Used spec theorems:
junkrefs
/
validref-def
junkrefs
/
junkref-not-hasclasstype-01
typefuns
/
subtype-norec
typefuns
/
classex-object-01
junkrefs
/
junkref-is-junk
addfuns
/
is_valid_ref-typeex
typefuns
/
typeex-def
Used simplifier rules:
typefuns
/
tdname+predef-01
int-abs
/
ax-02
typefuns
/
jtclass
junkrefs
/
junkref-not-hasclasstype-01