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Proof step 21 from proof TOPRED-lem (previous step)

t1 .1 .1 = S, ap(t1), ap(t1 .1), t1 _ t2 =>top t0 ⊦ value(t1 .1 .2) ∧ value(t1 .2) ∧ value(t2), t1 .1 = K ∧ value(t1 .2) ∧ value(t2)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 20:
t1 = t3 _ t4, t3 .1 = S, ap(t1), ap(t3), t1 _ t2 =>top t0 ⊦ value(t3 .2) ∧ value(t4) ∧ value(t2), t3 = K ∧ value(t4) ∧ value(t2)

Rule argument

[x0lemmaarg: spec-name: term instance-name: lemma-name: elim antecedent: succedent: ap(t) → (t0 = t .1 ∧ t1 = t .2 ↔ t = t0 _ t1) substlist: [t, t0, t1] → [t1, t, t3] add preconditions?: F is rewrite lemma?: F current spec?: F rotate lemma?: T replace all?: T paths: () dummy: () ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ ap(t) → ( t0 = t .1 ∧ t1 = t .2 ↔ t = t0 _ t1)])], [EXTRATERMS : (t1, t, t3)]]