| ∀ t0. #(t0) < #(t) → (¬ hasS(t0) → 〈RED1(t0; tn)〉 (tn ≠ none → ¬ hasS(tn) ∧ #(tn) < #(t0))), ¬ hasS(t), ap(t) ∧ ap(t .1) ∧ t .1 .1 = K ∧ value(t .1 .2) ∧ value(t .2), tn = some(t .1 .2) ⊦ 〈skip〉 (tn ≠ none → ¬ hasS(tn) ∧ #(tn) < #(t)) |
∀ t0. #(t0) < #(t) → (¬ hasS(t0) → 〈RED1(t0; tn)〉 (tn ≠ none → ¬ hasS(tn) ∧ #(tn) < #(t0))), ¬ hasS(t), ap(t) ∧ ap(t .1) ∧ t .1 .1 = K ∧ value(t .1 .2) ∧ value(t .2), tn = some(t .1 .2), ¬ (tn ≠ none → ¬ hasS(tn) ∧ #(tn) < #(t)) ⊦
[[CONCRETESIMPRULES : ()]]