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Proof step 20 from proof isarray-put-field (previous step)

st[r -- _type] = typeval(ty0), ty0 = mkarraytype(ty), is_typevalue(st[r -- _type]) ⊦ r = jvmref, r -- _type ∈ st[r0 -- fs ', val] ∧ okarray(r, ty, st[r0 -- fs ', val]) ↔ r -- _type ∈ st ∧ okarray(r, ty, st), fs ' = _type, fs ' = _length

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
st[r -- _type] = typeval(mkarraytype(ty)) ⊦ fs ' = _length, fs ' = _type, r -- _type ∈ st[r0 -- fs ', val] ∧ okarray(r, ty, st[r0 -- fs ', val]) ↔ r -- _type ∈ st ∧ okarray(r, ty, st), r = jvmref

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_typevalue(typeval(ty))])]]