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AML
2010
74views more  AML 2010»
14 years 10 months ago
A note on the theory of positive induction, ID*1
The article shows a simple way of calibrating the strength of the theory of positive induction, ID
Bahareh Afshari, Michael Rathjen
AML
2010
87views more  AML 2010»
14 years 10 months ago
On the form of witness terms
We investigate the development of terms during cut-elimination in first-order logic and Peano arithmetic for proofs of existential formulas. The form of witness terms in cut-free p...
Stefan Hetzl
AML
2010
84views more  AML 2010»
14 years 10 months ago
A criterion for coarse iterability
Let M be a premouse with a top extender, F. Suppose that (a) M is linearly coarsely iterable via hitting F and its images, and (b) if M is a linear iterate of M as in (a), then M ...
Gunter Fuchs, Itay Neeman, Ralf Schindler
AML
2010
104views more  AML 2010»
14 years 10 months ago
Degrees of categoricity of computable structures
Defining the degree of categoricity of a computable structure M to be the least degree d for which M is d-computably categorical, we investigate which Turing degrees can be realiz...
Ekaterina B. Fokina, Iskander Sh. Kalimullin, Russ...
AML
2010
86views more  AML 2010»
14 years 10 months ago
Finding generic filters by playing games
We give some restrictions for the search for a model of the club principle with no Souslin trees. We show that (2, [], is almost constant on) together with CH and "all Aronsza...
Heike Mildenberger