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Proof step 1 from proof valid-eraseq-strong-notinvols (conclusion)

n < # apebs ⊦ (¬ v ∈ vtbl ∨ ¬ m < vtbl[v]) ∧ valid-eraseq-strong(apebs, vtbl, q) ∧ valid-peb(v, m, apebs[n]) ∧ ¬ n ∈ q → valid-eraseq-strong(apebs, vtbl, q + eq-entry(n, v × m) ')

System applied rule normalize

And obtained the following new goals

Proof step 2:
n < # apebs, valid-eraseq-strong(apebs, vtbl, q), valid-peb(v, m, apebs[n]), ¬ v ∈ vtbl ∨ ¬ m < vtbl[v] ⊦ valid-eraseq-strong(apebs, vtbl, q + eq-entry(n, v × m) '), n ∈ q

Proof step 1 from proof valid-eraseq-strong-notinvols (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

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