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Proof step 2 from proof valid-eraseqw-size-middle (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
# wlar ≤ m, ∀ n. n ∈ q0 + eq-entry(m, lref) ' + q1 ↔ n < # wlar ∧ wlar[n].status = erasing ⊦

Rule argument

Additional information

Used simplifier rules: valid-eraseqw: ⊦ valid-eraseq(wlar, q) ↔ (∀ n. n ∈ q ↔ n < # wlar ∧ wlar[n].status = erasing);