| ⊦ addmultiarrays(refs, i, acc, ty, j ', st) = addarray(refs .first, ty, j, st) |
⊦ # ints = 1 → addmultiarrays(refs, i, acc, ty, ints, st) = addarray(refs .first, ty, ints .first, st)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ # i ' = 0 +1], [CSIMPSEQ : ⊦ i ' .first = i])], [EXTRATERMS : (st, j ', ty, acc, i, refs)]]