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Proof step 2 from proof lf-valid-eraseq-middle-wlar (previous step)

valid-eraseq(wlar, q0 + eq-entry(m, lref) ' + q1) ⊦ m < # wlar

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ valid-eraseq(wlar, q0 + eq-entry(m, lref) ' + q1) → ¬ # wlar ≤ m; (s)%a: ⊦ (q + q0) + q1 = q + q0 + q1; from specification list[erasequeue-base]% ⊦ m < n ↔ ¬ n ≤ m; (ss)