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

n ≤ # buf, root.dir?, fids-cons(root, fs, ofh), psynced, posix-crash(root, fs, ofh, tree, fs0, ofh0) ⊦ ⟨posix_write#(fd, buf, user, root; n, err, fs, ofh; psynced)⟩ (psynced ∧ posix-crash(root, fs, ofh, tree, fs0, ofh0))

System applied rule normalize

And obtained the following new goals

Proof step 2:
psynced, root.dir?, fids-cons(root, fs, ofh), posix-crash(root, fs, ofh, tree, fs0, ofh0), n ≤ # buf ⊦ ⟨posix_write#(fd, buf, user, root; n, err, fs, ofh; psynced)⟩ (psynced ∧ posix-crash(root, fs, ofh, tree, fs0, ofh0))

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

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information