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Theorem one-ind

⊦ str ' ∈ dnode(md, sdt) ↔ str ∈ sdt

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: again-put, at-del, at-mod, at-put, dnode-onein, in-del, in-mod, in-put, same-at, same-in, same-put, split-at, split-del, split-put, tree-ext,
Used by units in proved state: posix-asm, directory-tree-fids,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: nil-in, in-dnode,
Used spec theorems:
- Used simplifier rules:
  - list/path/app
  - list/path/a