| key0 < key1, inodekey(ino) < key0, key1.ino ≤ ino ⊦ ¬ key1.inode? ∧ ino = key1.ino |
⊦ inodekey(ino) < key ↔ ino < key.ino ∨ ¬ key.inode? ∧ ino = key.ino
key0 < key1, key1.ino ≤ ino, ino < key0.ino ∨ ¬ key0.inode? ∧ ino = key0.ino ⊦ ¬ key1.inode? ∧ ino = key1.ino
Used terms: key0, ino