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Theorem keys-rem

⊦ (ns -- n).keys = ns.keys -- inodekey(n)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: keys-inodekey-in, keys-in,
Used spec theorems:
- set-basic/node-index/Extension
Used simplifier rules:
- set-union/nat-set/Delete
- set-union/node-index/Delete
- key/inj-03