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Proof step 1 from proof crash-neutral-write-data (conclusion)

ubi-io-write-data-pre(n, n0, n1, n2, buf, apebs), ubi-io-inv(apebs), apebs0 = apebs ⊦ ⟨aubi_io_write_data#(n, n0, n1, n2, buf; apebs; err)⟩ (apebs0 = apebs)

System applied rule normalize

And obtained the following new goals

Proof step 2:
apebs0 = apebs, ubi-io-inv(apebs), ubi-io-write-data-pre(n, n0, n1, n2, buf, apebs) ⊦ ⟨aubi_io_write_data#(n, n0, n1, n2, buf; apebs; err)⟩ (apebs0 = apebs)

Proof step 1 from proof crash-neutral-write-data (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information