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Proof step 20 from proof kappa-TOPRED (previous step)

〈TOPRED(t2 _ t3 _ t1; tn2)〉 tn2 = tn0, t0 = S, tn0 ≠ some(t4 _ t1 _ (t3 _ t1)), n ≠ 0, t2 ≠ K, ap(t2), value(t4), value(t3), value(t1), t2 = t0 _ t4 ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
〈TOPRED(S _ t4 _ t3 _ t1; tn2)〉 tn2 = tn0, tn0 ≠ some(t4 _ t1 _ (t3 _ t1)), n ≠ 0, value(t4), value(t3), value(t1) ⊦

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ap(t _ t0)], [CSIMPSEQ : ⊦ t _ t0 ≠ K])]]