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Proof step 6 from proof in-eraseq-strong-valid (previous step)

eqent = eq-entry(m1, lref), m1 < # apebs, valid-eraseq-strong(apebs, to-vtbl(vols), q0), ∀ apebs, vols, n, v, m. valid-eraseq-strong(apebs, to-vtbl(vols), q0) ∧ eq-entry(n, v × m) ∈ q0 → valid-peb(v, m, apebs[n]) ∧ (v ∈ vols ∧ m < # vols[v] → apebs[n].vidhdr.sqn ≠ valid-sqns(v, m, apebs).max), ∀ v0, m0. (valid-peb(v0, m0, apebs[m1]) ↔ lref = v0 × m0) ∧ (lref = v0 × m0 ∧ v0 ∈ vols ∧ m0 < # vols[v0] → apebs[m1].vidhdr.sqn ≠ valid-sqns(v0, m0, apebs).max), eq-entry(n, v × m) = eqent ∨ eq-entry(n, v × m) ∈ q0 ⊦ m1 ∈ q0, valid-peb(v, m, apebs[n]) ∧ (v ∈ vols ∧ m < # vols[v] → apebs[n].vidhdr.sqn ≠ valid-sqns(v, m, apebs).max)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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