Sharp: Difference between revisions
Jump to navigation
Jump to search
Created page with "A sharp for an inner model \(N\) is an object whose existence implies that the inner model is "far from \(V\)": for example, \(N\) can be nontrivially elementarily embedded into itself, and uncountable sets of ordinals may not be able to be covered by sets in \(N\). For example, the sharp for \(L\) is \(0^\sharp\). In general, for a real number \(r\), \(r^\sharp\) denotes the sharp for \(L[r] =..."
RhubarbJayde (talk | contribs) (Created page with "A sharp for an inner model \(N\) is an object whose existence implies that the inner model is "far from \(V\)": for example, \(N\) can be nontrivially elementarily embedded into itself, and uncountable sets of ordinals may not be able to be covered by sets in \(N\). For example, the sharp for \(L\) is \(0^\sharp\). In general, for a real number \(r\), \(r^\sharp\) denotes the sharp for \(L[r] =...") |
(No difference)
|