| getarray(r1, i1, j, st) = getarray(r2, i2, j, st), 0 ≤ i, i < j, 0 < j ⊦ st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) '] |
(getarray(r1, i1, j, st)[i→n(i)]) = (getarray(r2, i2, j, st)[i→n(i)]), getarray(r1, i1, j, st) = getarray(r2, i2, j, st), 0 ≤ i, i < j, 0 < j ⊦ st[r1 -- (i1 + i) '] = st[r2 -- (i2 + i) ']
[[CONCRETESIMPRULES : ()], [EXTRAFMAS : ( (getarray(r1, i1, j, st)[i→n(i)]) = (getarray(r2, i2, j, st)[i→n(i)]))]]