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Proof step 49 from proof validstatfield-put-norefval (previous step)

validstatfield(str, sk0, st), is_fskey(sk), okval(val, sk .fs .type) ⊦ sk = _length, sk .fs .type = void_type, validstatfield(str, sk0, st[r -- sk, val]), is_referencevalue(val)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ validstatfield(str, sk, st) ↔ is_fskey(sk) ∧ sk ∈ statfields(sk .fs .class) ∧ tdname∃(str, sk .fs .class) ∧ (initdone(sk .fs .class, st) → validfield(str, jvmref, sk, st))
Proof step 48:
validstatfield(str, sk0, st), is_fskey(sk), okval(val, sk .fs .type) ⊦ sk = _length, sk .fs .type = void_type, is_fskey(sk0) ∧ sk0 ∈ statfields(sk0 .fs .class) ∧ tdname∃(str, sk0 .fs .class) ∧ (initdone(sk0 .fs .class, st[r -- sk, val]) → validfield(str, jvmref, sk0, st[r -- sk, val])), is_referencevalue(val)

Rule argument

[crewrite-arg: validstatfield-storekey-def , F , [st, sk, str] → [st[r -- sk, val], sk0, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st[r -- sk, val], sk0, str)]]