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Proof step 9 from proof validstatfield-validref (previous step)

sk = fs ', st[jvmref -- sk] = refval(r), fs = mkfs(class, ty, fieldvar), is_fskey(sk), initdone(class, st), tdname∃(str, class), sk ∈ statfields(class), validfield(str, jvmref, sk, st) ⊦ validref(str, r, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
st[jvmref -- mkfs(class, ty, fieldvar) '] = refval(r), initdone(class, st), tdname∃(str, class), mkfs(class, ty, fieldvar) ' ∈ statfields(class), validfield(str, jvmref, mkfs(class, ty, fieldvar) ', st) ⊦ validref(str, r, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')])]]