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Proof step 3 from proof afs-cons-getpage-size (previous step)

files[ino] = mkfile(m, md, # links(ino, dirs), content), afs-cons(dirs, files), ino ∈ files ⊦ # (n ∈ content ⊃ content[n];zeropage) = VFS_PAGE_SIZE

Heuristic if-then-else split applied rule case distinction

And closed the goal!

Rule argument

pos: right 1

Additional information

Used simplifier rules: ⊦ # zeropage = VFS_PAGE_SIZE; (s)%⊦ afs-cons(dirs, files) ∧ ino ∈ files ∧ files[ino] = mkfile(m, md, n0, content) ∧ n ∈ content → # content[n] = VFS_PAGE_SIZE; (s)