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Proof step 104 from proof refine-write-echdr (previous step)

pebs[m0].fill = 0, apebs[m2] = mkpeb(empty, avhdr, buf, m1, false), m = EB_PAGE_SIZE, m0 = m2, aehdr.valid?, m2 < # apebs, m0 < # pebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), m0 < # pebs → aehdr.valid? → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ pebs[m0].bad, aehdr.valid?

Proof step 104 from proof refine-write-echdr (previous step)

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

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