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AML
2010
74views more  AML 2010»
13 years 5 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»
13 years 5 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»
13 years 5 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»
13 years 5 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»
13 years 5 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