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Proof step 1 from proof indices-erasing-write-notin (conclusion)

⊦ nx < m ∧ indices-erasing(wlar, nx) → indices-erasing(wlar[m, wle], nx)

System applied rule normalize

And obtained the following new goals

Proof step 2:
nx < m, indices-erasing(wlar, nx) ⊦ indices-erasing(wlar[m, wle], nx)

Rule argument

Additional information