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Proof step 13 from proof abs-keys-orphans-add2 (previous step)

∀ ino. inodekey(ino) ∈ ri0 ∧ fs0[ri0[inodekey(ino)]].nlink = 0 ∧ ino ≠ ROOT_INO ↔ ino = n ∨ inodekey(ino) ∈ ri ∧ fs[ri[inodekey(ino)]].nlink = 0 ∧ ino ≠ ROOT_INO ⊦ inodekey(m) ∈ ri0 ∧ fs0[ri0[inodekey(m)]].nlink = 0 ∧ m ≠ ROOT_INO ↔ m = n ∨ inodekey(m) ∈ ri ∧ fs[ri[inodekey(m)]].nlink = 0 ∧ m ≠ ROOT_INO

User applied rule all left

And closed the goal!

Rule argument

pos: left 1 terms: m abort: F discard: F computed: T

Additional information

Used terms: m