What does "cofinal" mean?

Of a subset of a partially ordered set; containing elements at least as late as any given element of the set, relative to the given partial order.

Cofinal

adj

adj ·Rare ·Advanced level

Adjective

1
Of a subset of a partially ordered set; containing elements at least as late as any given element of the set, relative to the given partial order. not-comparable
"The Archimedean property of real numbers means that the natural numbers form a cofinal subset of ℝ."

"The Archimedean property of real numbers means that the natural numbers form a cofinal subset of ℝ."

From co- + final.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.