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Proof step 17 from proof readpage-get (previous step)

# buf = VFS_PAGE_SIZE, files[m] = mkfile(m3, md0, m4, content), m ∈ files ⊦ zeropage = getpage(n, content), n ∈ content

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 18:
⊦ getpage(n, content) = (n ∈ content ⊃ content[n];zeropage)

Rule argument

spec: afs-stream name: getpage seq: ⊦ getpage(n, content) = (n ∈ content ⊃ content[n];zeropage) subst: [content, n] → [content, n] flags: <all paths>

Additional information

Used terms: content, n