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Proof step 7 from proof junkref-update-equiv (previous step)

validFields(r0, fis, st), is_valid_ref(str, r0, st), is_valid_ref(str, r, update(r0, fis, st)) ⊦ r = r0, r = jvmref, junkref(str, r, update(r0, fis, st)), path∃(str, r, r0, st), _type ∈ fis, is_valid_ref(str, r, st)

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r ≠ r0 → ( is_valid_ref (str, r, update(r0, fis, st)) ↔ is_valid_ref(str, r, st))])]]