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