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Theorem replay-orphans-del

⊦ ¬ key ∈ ro → (ri ⊖ ro) -- key = (ri -- key) ⊖ ro

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 6
Proof steps: 15
Used lemmas:
Used spec theorems:
- store/node-index/k-Extension
- aubifs-base/at-dels-ro-data
- aubifs-base/at-dels-ro-nodata
- aubifs-base/in-dels-ro
Used simplifier rules:
- store/node-index/Del-at
- key/elim-02
- key/test-09
- aubifs-base/at-dels-ro-data
- store/node-index/Del-in
- aubifs-base/in-dels-ro