Ramsey ultrafilter

GPTKB entity

Statements (17)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
ultrafilter
gptkbp:definedIn set of natural numbers
gptkbp:field gptkb:logic
gptkb:set_theory
https://www.w3.org/2000/01/rdf-schema#label Ramsey ultrafilter
gptkbp:isA gptkb:P-point
gptkb:free_ultrafilter
selective ultrafilter
gptkbp:namedAfter gptkb:Frank_P._Ramsey
gptkbp:property every partition of the natural numbers into finitely many pieces has a cell in the ultrafilter that is homogeneous for the partition
gptkbp:relatedTo gptkb:Ramsey's_theorem
gptkbp:usedIn gptkb:topology
model theory
infinite combinatorics
gptkbp:bfsParent gptkb:Ramsey_theory
gptkbp:bfsLayer 5