300 search results - page 20 / 60 » Extension of a theorem of Whitney |
JSYML
2008
13 years 7 months ago
2008
In this paper a method for the replacement, in formulas, of strong quantifiers by functions is introduced that can be considered as an alternative to Skolemization in the setting ...
JCT
2006
13 years 7 months ago
2006
Nash-Williams' arboricity theorem states that a finite graph is the edge-disjoint union of at most k forests if no set of vertices induces more than k( - 1) edges. We prove a...
LATA
2012
Springer
12 years 3 months ago
2012
Springer
We investigate the application of Courcelle’s Theorem and the logspace version of Elberfeld et al. in the context of the implication problem for propositional sets of formulae, t...
CADE
2008
Springer
13 years 9 months ago
2008
Springer
LogAnswer is an open domain question answering system which employs an automated theorem prover to infer correct replies to natural language questions. For this purpose LogAnswer o...
ENTCS
2006
13 years 7 months ago
2006
We study properties of functors on categories of sets (classes) together with set (class) functions. In particular, we investigate the notion of inclusion preserving functor, and ...