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Theorem at-dnode-same

⊦ dnode(md, sdt[str, tree])[str ' + p] = tree[p]

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: at-mod, next-at, same-at,
Used by units in proved state: directory-tree-fids, posix-links,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: at-dnode,
Used spec theorems:
- Used simplifier rules:
  - directory-tree-base/At-same
  - directory-tree-base/In-insert