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Theorem del-with-data
⊦ ri ⊖ key = (ri -- key) \ datakeys(key, ri)
Type: An axiom
Validity: The proof is valid.
Features:
Comment:
Used by:
at-del-ro-data
,
at-del-ro-nodata
,
in-del-ro
,
Used by units in proved state:
Proof exists?: No