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» A TLA Proof System
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FLAIRS
2003
15 years 5 months ago
Proving Harder Theorems by Axiom Reduction
Automated Theorem Proving (ATP) problems may contain unnecessary axioms, either because some of the axiomatization of the theory is irrelevant to the particular theorem, or becaus...
Geoff Sutcliffe, Alexander Dvorský
CORR
2008
Springer
98views Education» more  CORR 2008»
15 years 4 months ago
An Asymptotically Optimal RFID Authentication Protocol Against Relay Attacks
Abstract. Relay attacks are a major concern for RFID systems: during an authentication process an adversary transparently relays messages between a verifier and a remote legitimate...
Gildas Avoine, Aslan Tchamkerten
JANCL
2006
112views more  JANCL 2006»
15 years 4 months ago
KAT-ML: an interactive theorem prover for Kleene algebra with tests
We describe KAT-ML, an implementation of an interactive theorem prover for Kleene algebra with tests (KAT). The system is designed to reflect the natural style of reasoning with K...
Kamal Aboul-Hosn, Dexter Kozen
JSYML
2007
85views more  JSYML 2007»
15 years 4 months ago
Lower bounds for modal logics
We give an exponential lower bound on number of proof-lines in the proof system K of modal logic, i.e., we give an example of K-tautologies 1, 2, . . . s.t. every K-proof of i must...
Pavel Hrubes
ENTCS
2002
76views more  ENTCS 2002»
15 years 3 months ago
Four equivalent equivalences of reductions
Two co-initial reductions in a term rewriting system are said to be equivalent if they perform the same steps, albeit maybe in a different order. We present four characterisations...
Vincent van Oostrom, Roel C. de Vrijer