| ¬ is_integervalue(st[r -- _length]), exactarray(r, ty, st), r ∈ st ⊦ intval(st[r -- _length] .intval) = st[r -- _length], r = jvmref |
exactarray(r, ty, st), r ∈ st ⊦ r = jvmref, intval(0) = st[r -- _length], is_integervalue(st[r -- _length])
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_integervalue(val) → val .intval = 0])]]