Category:Definitions/Special Sets

From ProofWiki
Jump to navigation Jump to search

This category contains definitions related to Special Sets.
Related results can be found in Category:Special Sets.


Let $g$ be a progressing mapping.

Let $S$ and $x$ be sets.


We say that:

$S$ is special for $x$ (with respect to $g$)

if and only if:

\((1)\)   $:$   $\O \in S$      
\((2)\)   $:$   $S$ is closed under $g$ relative to $x$      
\((3)\)   $:$   $S$ is closed under chain unions      

Pages in category "Definitions/Special Sets"

The following 2 pages are in this category, out of 2 total.