| datanode(key0, buf) = fs[adr], key ∈ (inodekey(key0.ino) ∈ ri0 ⊃ ri0[key0, adr];ri0), key ∈ ri0 → key ∈ ri1, ∀ key. key ∈ ri0 → key ∈ ri1 ⊦ key ∈ (inodekey(key0.ino) ∈ ri1 ⊃ ri1[key0, adr];ri1) |
datanode(key0, buf) = fs[adr], key ∈ (inodekey(key0.ino) ∈ ri0 ⊃ ri0[key0, adr];ri0), inodekey(key0.ino) ∈ ri1, key ∈ ri0 → key ∈ ri1, ∀ key. key ∈ ri0 → key ∈ ri1 ⊦ key ∈ ri1[key0, adr]
datanode(key0, buf) = fs[adr], key ∈ (inodekey(key0.ino) ∈ ri0 ⊃ ri0[key0, adr];ri0), key ∈ ri0 → key ∈ ri1, ∀ key. key ∈ ri0 → key ∈ ri1 ⊦ key ∈ ri1, inodekey(key0.ino) ∈ ri1