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Gloss of "Sentinel"
Sentinel
- an expression occurring in a Certificate validating an Inference Step identifying which primitive logical resources are permitted in justifying it; the unit of coherency in Proofs ;
The connotation of "sentinel" is that it guards against the intrusion of untrusted entities into an inference, which is essential in a collection that comprises multiple incompatible logics. As explained in Proof Sentinels, the sentinel expression constitutes the criterion of coherency among inferences organized into a Proof.
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