Journal article 1394 views
Separating intermediate predicate logics of well-founded and dually well-founded structures by monadic sentences
A. Beckmann,
N. Preining,
Arnold Beckmann 
Journal of Logic and Computation
Swansea University Author:
Arnold Beckmann
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DOI (Published version): 10.1093/logcom/exu016
Abstract
We consider intermediate predicate logics defined by fixed well-ordered (or dually well-ordered) linear Kripke frames with constant domains where the order-type of the well-order is strictly smaller than~$\omega^\omega$. We show that two such logics of different order-type are separated by a first-o...
| Published in: | Journal of Logic and Computation |
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| Published: |
2014
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa17522 |
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| Abstract: |
We consider intermediate predicate logics defined by fixed well-ordered (or dually well-ordered) linear Kripke frames with constant domains where the order-type of the well-order is strictly smaller than~$\omega^\omega$. We show that two such logics of different order-type are separated by a first-order sentence using only one monadic predicate symbol. Previous results by Minari, Takano and Ono, as well as the second author, obtained the same separation but relied on the use of predicate symbols of unbounded arity. |
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| College: |
Faculty of Science and Engineering |