| 〈TOPRED(t; tn)〉 tn = tn0, tn0 ≠ tn1, tn2 = tn, n ≠ 0, ap(t) ∧ ap(t .1) ∧ t .1 .1 = K ∧ value(t .1 .2) ∧ value(t .2), some(t .1 .2) = tn1 ⊦ |
〈TOPRED(t; tn2)〉 tn2 = tn0, t .1 .1 = K, tn0 ≠ some(t .1 .2), n ≠ 0, ap(t), ap(t .1), value(t .1 .2), value(t .2) ⊦
[[CONCRETESIMPRULES : ()]]