| rk ∈ st ⊦ rk ∈ addarray(r, ty, i, st) |
⊦ addarray(r, ty, i, st) = addarray(r, initial_value(ty), i, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(i)])
rk ∈ st ⊦ rk ∈ addarray(r, initial_value(ty), i, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(i)])
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, i, ty, r)]]