| 〈TOPRED(t0 _ t1; tn2)〉 tn2 = tn0, t2 .1 = S, tn0 ≠ some(t2 .2 _ t1 _ (t3 _ t1)), n ≠ 0, t2 ≠ K, ap(t0), ap(t2), value(t2 .2), value(t3), value(t1), t0 = t2 _ t3 ⊦ |
〈TOPRED(t2 _ t3 _ t1; tn2)〉 tn2 = tn0, t2 .1 = S, tn0 ≠ some(t2 .2 _ t1 _ (t3 _ t1)), n ≠ 0, t2 ≠ K, ap(t2), value(t2 .2), value(t3), value(t1) ⊦
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ap(t _ t0)])]]