| 〈RED1(ks(1); tn)〉 tn = none, ks(1) .1 = S _ t1, ap(ks(1)), ¬ value(ks(1)), ¬ (value(t1) ∧ value(ks(1) .2)) ⊦ |
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ks(n) ≠ S _ t1 _ t2], [CSIMPELIM : ⊦ ap(t) → ( t0 = t .1 ∧ t1 = t .2 ↔ t = t0 _ t1)])], [EXTRATERMS : (ks(1), t, t0)]]