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Proof step 1 from proof valid-eraseqp-invalidate (conclusion)

m < # apebs ⊦ ¬ valid-peb(apeb) ∧ valid-eraseq(apebs, q) → valid-eraseq(apebs[m, apeb], q)

System applied rule normalize

And obtained the following new goals

Proof step 2:
m < # apebs, valid-eraseq(apebs, q) ⊦ valid-eraseq(apebs[m, apeb], q), valid-peb(apeb)

Rule argument

Additional information