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Proof step 11 from proof getintarray-subset (previous step)

st[r -- _type] = typeval(ty0), ty0 = mkarraytype(ty), r -- _type ∈ st, is_typevalue(st[r -- _type]), okarray(r, ty, st), st ⊆ st0, r -- _length ∈ st, r ∈ st ⊦ getintarray(r, st) = getintarray(r, st0), r = jvmref, is_arrayref(r, st[r -- _length] .intval, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
st[r -- _type] = typeval(mkarraytype(ty)), r ∈ st, r -- _length ∈ st, st ⊆ st0, okarray(r, ty, st), r -- _type ∈ st ⊦ r = jvmref, getintarray(r, st) = getintarray(r, st0), is_arrayref(r, st[r -- _length] .intval, st)

Rule argument

[emptyarg]

Additional information

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