| 〈TOPRED(t; tn2)〉 tn2 = tn0, t .1 .1 .1 = S, tn0 ≠ none, n ≠ 0, ap(t), ap(t .1), ap(t .1 .1), ¬ (value(t .1 .1 .2) ∧ value(t .1 .2) ∧ value(t .2)), ¬ (t .1 .1 = K ∧ value(t .1 .2) ∧ value(t .2)) ⊦ |
〈TOPRED(t; tn2)〉 tn2 = tn0, t0 .1 .1 = S, tn0 ≠ none, n ≠ 0, ap(t), ap(t0), ap(t0 .1), ¬ (value(t0 .1 .2) ∧ value(t0 .2) ∧ value(t1)), ¬ (t0 .1 = K ∧ value(t0 .2) ∧ value(t1)), t = t0 _ t1 ⊦
[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ ap(t) → ( t0 = t .1 ∧ t1 = t .2 ↔ t = t0 _ t1)])], [EXTRATERMS : (t, t0, t1)]]