| J. Y. Halpern and R. van der Meyden. Adding revocation and timestamps to a logic for sdsi's linked local name spaces. unpublished manuscript, 1999. 33 |
....cation has a nontrivial semantic impact are those of the form n 7 p, where n is a local name. We return to this issue below. 10 We make the simplifying assumption that certi cates do not have expiration dates. It is not dicult to extend the logic to take into account certi cate expiration; see [HvdM99]. The assumption that [ k2K c(k) is nite is meant to enforce the intuition that only nitely many certi cates are issued. None of our later results depend on this assumption, but it seems reasonable given the intended application of the logic. 11 Note that our semantics is thus in the spirit of ....
J. Y. Halpern and R. van der Meyden. Adding revocation and timestamps to a logic for sdsi's linked local name spaces. unpublished manuscript, 1999. 33
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