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Proof step 17 from proof validstatfield-union (previous step)

sk = fs ', fs = mkfs(class, ty, fieldvar), is_fskey(sk), tdname∃(str, class), sk ∈ statfields(class), initdone(class, st0), validfield(str, jvmref, sk, st0) ⊦ jvmref ∈ st, validfield(str, jvmref, sk, st ∪ st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 16:
tdname∃(str, class), mkfs(class, ty, fieldvar) ' ∈ statfields(class), initdone(class, st0), validfield(str, jvmref, mkfs(class, ty, fieldvar) ', st0) ⊦ jvmref ∈ st, validfield(str, jvmref, mkfs(class, ty, fieldvar) ', st ∪ st0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : storekey, , test-05, ⊦ is_fskey(fs ')])]]