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Proof step 12 from proof inv-close (previous step)

ofh0[fd] = mkfh(fid, mode, m), root.dir?, fids-cons(root, fs, ofh0), fd ∈ ofh0 ⊦ ⟪fs := fs -- fid⟫ fids-cons(root, fs, ofh0 -- fd), fid ∈ root.fids, fid ∈ (ofh0 -- fd).fids

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 13:
ofh0[fd] = mkfh(fid, mode, m), root.dir?, fids-cons(root, fs, ofh0), fd ∈ ofh0 ⊦ fids-cons(root, fs -- fid, ofh0 -- fd), fid ∈ (ofh0 -- fd).fids, fid ∈ root.fids

Proof step 12 from proof inv-close (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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