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Proof step 59 from proof initialization (previous step)

∅ = abs-files((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1]) ⊦ ∃ dirs, files. ⟨fail#(; ; err)⟩ ( dirs = abs-dirs((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1]) ∧ files = ∅ ∧ orphans(abs-dirs((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1]), ∅) = ∅ ∧ ESUCCESS = err), orphans(abs-dirs((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1]), ∅) = ∅ ∧ (∅ ++ ROOT_INO)[ROOT_INO, mkdir(0, md, 0, 0, ∅)] = abs-dirs((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1])

User applied rule weakening

And obtained the following new goals

Proof step 60:
∅ = abs-files((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1]) ⊦ orphans(abs-dirs((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1]), ∅) = ∅ ∧ (∅ ++ ROOT_INO)[ROOT_INO, mkdir(0, md, 0, 0, ∅)] = abs-dirs((∅)[adr1, inodenode(inodekey(ROOT_INO), md, true, 0, 0, 0)], (∅)[inodekey(ROOT_INO), adr1])

Rule argument

poslist: right 1

Proof step 59 from proof initialization (previous step)

User applied rule weakening

And obtained the following new goals

Rule argument

Additional information