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Theorem dir-put3

p ≠ ε ⊦ tree.dir? ∧ parent(p) ∈ tree → tree[p, tree0].dir?

Type: A user defined theorem
Validity: The proof is valid.
Features: s,
Comment:
Used by:
Used by units in proved state: posix-asm,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 5
Used lemmas: put-here, in-dnode, put-rec, fnode-elim-strong, dnode-elim-strong,
Used spec theorems:
- Used simplifier rules:
  - list/path/e-01
  - list/path/c
  - directory-tree-base/disj
  - list-last/path/bc
  - list/path/a
  - list/path/app