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Proof step 16 from proof validstatfields-put-norefval-field (conclusion)

⊦ validstatfields(str, st) ∧ ¬ is_referencevalue(val) ∧ r ≠ jvmref ∧ ¬ is_indexkey(sk) ∧ okval(val, sk .fs .type) ∧ sk ≠ _length ∧ sk ≠ _type → validstatfields(str, st[r -- sk, val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
validstatfields(str, st), okval(val, sk .fs .type), is_fskey(sk) ⊦ sk = _type, sk = _length, r = jvmref, is_referencevalue(val), validstatfields(str, st[r -- sk, val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : storekey, , test, ⊦ ¬ is_indexkey(sk) ↔ is_fskey(sk)])]]