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Proof step 7 from proof is_valid_ref-field-in (conclusion)

⊦ ¬ r -- sk ∈ st ∧ sk ∈ instfields(class) ∧ st[r -- _type] .type ≤ mkclasstype(class) ∧ r ≠ jvmref → ¬ is_valid_ref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]