Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
Cofinal (mathematics): Properties, Definitions & Cofinal set of subsets
In mathematics, a subset B ⊆ A {\displaystyle B\subseteq A} of a preordered set ( A , ≤ ) {\displaystyle (A,\leq )} is said to be cofinal or frequent in A {\displaystyle A} if for every a ∈ A , {\displaystyle a\in A,} it is possible to find an element b {\displaystyle b} in B {\displaystyle B} that dominates a {\displaystyle a} (formally, a ≤ b…
Language: English [EN]
