| 2 ≠ 0, 3 = countrefs(2 ' + 2 ') ⊦ addmultiarrays((r ' + r0 ' + r1 ') .first ' + firstn(2 -1, (r ' + r0 ' + r1 ') .rest), 1, r1 ', ty, 2 ' + 2 ', addarray(r1, ty, 2, st)) = addarray(r, mkarraytype(ty), refval(r0) ' + refval(r1) ', addarray(r0, ty, 2, addarray(r1, ty, 2, st))) |
3 = countrefs(2 ' + 2 ') ⊦ addmultiarrays(r ' + firstn(1, r0 ' + r1 '), 1, r1 ', ty, 2 ' + 2 ', addarray(r1, ty, 2, st)) = addarray(r, mkarraytype(ty), refval(r0) ' + refval(r1) ', addarray(r0, ty, 2, addarray(r1, ty, 2, st)))
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (r ' + refs) .rest = refs], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ (r ' + refs) .first = r])]]