| ⊦ r = r0, intvalues(getarray(r, 0, st[r -- _length] .intval, st)) = getintarray(r, 0, st[r -- _length] .intval, st) |
⊦ getintarray(r, i, j, st) = intvalues(getarray(r, i, j, st))
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, st[r -- _length] .intval, 0, r)]]