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Proof step 28 from proof cyclic-put-badclassfield (conclusion)

⊦ ¬ junkref(str, r, st) ∧ fs ' ≠ _type ∧ is_classtype(st[r0 -- _type] .type) ∧ ¬ fs ' ∈ instfields(st[r0 -- _type] .type .class) → (cyclic(str, r, st[r0 -- fs ', val]) ↔ cyclic(str, r, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 27:
is_classtype(st[r0 -- _type] .type) ⊦ fs ' = _type, cyclic(str, r, st[r0 -- fs ', val]) ↔ cyclic(str, r, st), junkref(str, r, st), fs ' ∈ instfields(st[r0 -- _type] .type .class)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]