Revision sequences are a kind of transfinite sequences which were introduced by Herzberger and Gupta in 1982 (independently) as the main mathematical tool for developing their respective revision theories of truth. We generalise revision sequences to the notion of cofinally invariant sequences, showing that several known facts about Herzberger’s and Gupta’s theories also hold for this more abstract kind of sequences and providing new and more informative proofs of the old results
Cofinally invariant sequences and revision
Rivello E
2015-01-01
Abstract
Revision sequences are a kind of transfinite sequences which were introduced by Herzberger and Gupta in 1982 (independently) as the main mathematical tool for developing their respective revision theories of truth. We generalise revision sequences to the notion of cofinally invariant sequences, showing that several known facts about Herzberger’s and Gupta’s theories also hold for this more abstract kind of sequences and providing new and more informative proofs of the old results
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