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Proof step 70 from proof sharing-pathex-field-self (previous step)

∃ refs. refs ≠ [] ∧ refs .first = st[r -- fs '] .refval ∧ refs .last = r ∧ validrefs(`docs2store', refs, mkclasstype(`java.lang.Object' .class), st), fs ' ∈ instfields(st[r -- _type] .type .class), is_classtype(st[r -- _type] .type) ⊦ r = jvmref, hasSharing(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 69:
refs .first = st[refs .last -- fs '] .refval, validrefs(`docs2store', refs, mkclasstype(`java.lang.Object' .class), st), fs ' ∈ instfields(st[refs .last -- _type] .type .class), is_classtype(st[refs .last -- _type] .type) ⊦ refs .last = jvmref, refs = [], hasSharing(refs .last, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]